Bump version to v0.1.205

Remove RAM and Disk columns from services widget header
Changed header from 4 columns to 2 columns: - Before: Service, Status, RAM, Disk - After: Service, Status Matches the removal of memory_mb and disk_gb fields.
2025-11-28 22:37:28 +01:00 · 2025-11-28 22:37:14 +01:00 · 2025-11-28 14:33:19 +01:00 · 2025-11-28 14:25:12 +01:00 · 2025-11-28 13:01:36 +01:00 · 2025-11-28 12:53:56 +01:00
12 changed files with 486 additions and 1773 deletions
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -156,56 +156,6 @@ Complete migration from string-based metrics to structured JSON data. Eliminates
 - ✅ Backward compatibility via bridge conversion to existing UI widgets
 - ✅ All string parsing bugs eliminated

-### Cached Collector Architecture (🚧 PLANNED)
-
-**Problem:** Blocking collectors prevent timely ZMQ transmission, causing false "host offline" alerts.
-
-**Previous (Sequential Blocking):**
-```
-Every 1 second:
-  └─ collect_all_data() [BLOCKS for 2-10+ seconds]
-      ├─ CPU (fast: 10ms)
-      ├─ Memory (fast: 20ms)
-      ├─ Disk SMART (slow: 3s per drive × 4 drives = 12s)
-      ├─ Service disk usage (slow: 2-8s per service)
-      └─ Docker (medium: 500ms)
-  └─ send_via_zmq()  [Only after ALL collection completes]
-
-Result: If any collector takes >10s → "host offline" false alert
-```
-
-**New (Cached Independent Collectors):**
-```
-Shared Cache: Arc<RwLock<AgentData>>
-
-Background Collectors (independent async tasks):
-├─ Fast collectors (CPU, RAM, Network)
-│   └─ Update cache every 1 second
-├─ Medium collectors (Services, Docker)
-│   └─ Update cache every 5 seconds
-└─ Slow collectors (Disk usage, SMART data)
-    └─ Update cache every 60 seconds
-
-ZMQ Sender (separate async task):
-Every 1 second:
-  └─ Read current cache
-  └─ Send via ZMQ [Always instant, never blocked]
-```
-
-**Benefits:**
- ✅ ZMQ sends every 1 second regardless of collector speed
- ✅ No false "host offline" alerts from slow collectors
- ✅ Different update rates for different metrics (CPU=1s, SMART=60s)
- ✅ System stays responsive even with slow operations
- ✅ Slow collectors can use longer timeouts without blocking
-
-**Implementation:**
- Shared `AgentData` cache wrapped in `Arc<RwLock<>>`
- Each collector spawned as independent tokio task
- Collectors update their section of cache at their own rate
- ZMQ sender reads cache every 1s and transmits
- Stale data acceptable for slow-changing metrics (disk usage, SMART)
-
 ### Maintenance Mode

 - Agent checks for `/tmp/cm-maintenance` file before sending notifications
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+# This file is automatically generated by Cargo.
 version = 4

 [[package]]
@@ -103,137 +104,6 @@ dependencies = [
 "object",
 ]

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@@ -245,12 +115,6 @@ dependencies = [
 "syn",
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@@ -281,84 +145,12 @@ version = "2.10.0"
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@@ -373,9 +165,9 @@ checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"

 [[package]]
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-checksum = "cd405d82c84ff7f35739f175f67d8b9fb7687a0e84ccdc78bd3568839827cf07"
+checksum = "b97463e1064cb1b1c1384ad0a0b9c8abd0988e2a91f52606c80ef14aadb63e36"
 dependencies = [
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@@ -399,12 +191,6 @@ version = "1.0.4"
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@@ -453,9 +239,9 @@ dependencies = [

 [[package]]
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@@ -463,9 +249,9 @@ dependencies = [

 [[package]]
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@@ -493,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"

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@@ -504,7 +290,7 @@ dependencies = [
 "ratatui",
 "serde",
 "serde_json",
- "thiserror 1.0.69",
+ "thiserror",
 "tokio",
 "toml",
 "tracing",
@@ -515,42 +301,35 @@ dependencies = [

 [[package]]
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+ "thiserror",
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 "zmq",
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+ "thiserror",
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@@ -559,15 +338,6 @@ version = "1.0.4"
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@@ -584,15 +354,6 @@ version = "0.8.7"
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@@ -674,36 +435,6 @@ dependencies = [
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@@ -875,21 +552,6 @@ dependencies = [
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@@ -965,11 +591,8 @@ version = "0.3.31"
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@@ -977,16 +600,6 @@ dependencies = [
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 ]
@@ -2523,12 +1703,6 @@ dependencies = [
 "windows-sys 0.59.0",
 ]

-[[package]]
-name = "static_assertions"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
 [[package]]
 name = "strsim"
 version = "0.11.1"
@@ -2559,9 +1733,9 @@ dependencies = [

 [[package]]
 name = "syn"
-version = "2.0.111"
+version = "2.0.110"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "390cc9a294ab71bdb1aa2e99d13be9c753cd2d7bd6560c77118597410c4d2e87"
+checksum = "a99801b5bd34ede4cf3fc688c5919368fea4e4814a4664359503e6015b280aea"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2632,7 +1806,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
 dependencies = [
 "fastrand",
- "getrandom 0.3.4",
+ "getrandom",
 "once_cell",
 "rustix",
 "windows-sys 0.61.2",
@@ -2644,16 +1818,7 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl 1.0.69",
-]
-
-[[package]]
-name = "thiserror"
-version = "2.0.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63587ca0f12b72a0600bcba1d40081f830876000bb46dd2337a3051618f4fc8"
-dependencies = [
- "thiserror-impl 2.0.17",
+ "thiserror-impl",
 ]

 [[package]]
@@ -2667,17 +1832,6 @@ dependencies = [
 "syn",
 ]

-[[package]]
-name = "thiserror-impl"
-version = "2.0.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "thread_local"
 version = "1.1.9"
@@ -2687,37 +1841,6 @@ dependencies = [
 "cfg-if",
 ]

-[[package]]
-name = "time"
-version = "0.3.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
-dependencies = [
- "deranged",
- "itoa",
- "num-conv",
- "powerfmt",
- "serde",
- "time-core",
- "time-macros",
-]
-
-[[package]]
-name = "time-core"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40868e7c1d2f0b8d73e4a8c7f0ff63af4f6d19be117e90bd73eb1d62cf831c6b"
-
-[[package]]
-name = "time-macros"
-version = "0.2.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30cfb0125f12d9c277f35663a0a33f8c30190f4e4574868a330595412d34ebf3"
-dependencies = [
- "num-conv",
- "time-core",
-]
-
 [[package]]
 name = "tinystr"
 version = "0.8.2"
@@ -2787,8 +1910,8 @@ checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
 dependencies = [
 "serde",
 "serde_spanned",
- "toml_datetime 0.6.11",
- "toml_edit 0.22.27",
+ "toml_datetime",
+ "toml_edit",
 ]

 [[package]]
@@ -2800,50 +1923,20 @@ dependencies = [
 "serde",
 ]

-[[package]]
-name = "toml_datetime"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2cdb639ebbc97961c51720f858597f7f24c4fc295327923af55b74c3c724533"
-dependencies = [
- "serde_core",
-]
-
 [[package]]
 name = "toml_edit"
 version = "0.22.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
 dependencies = [
- "indexmap 2.12.1",
+ "indexmap",
 "serde",
 "serde_spanned",
- "toml_datetime 0.6.11",
+ "toml_datetime",
 "toml_write",
 "winnow",
 ]

-[[package]]
-name = "toml_edit"
-version = "0.23.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6485ef6d0d9b5d0ec17244ff7eb05310113c3f316f2d14200d4de56b3cb98f8d"
-dependencies = [
- "indexmap 2.12.1",
- "toml_datetime 0.7.3",
- "toml_parser",
- "winnow",
-]
-
-[[package]]
-name = "toml_parser"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0cbe268d35bdb4bb5a56a2de88d0ad0eb70af5384a99d648cd4b3d04039800e"
-dependencies = [
- "winnow",
-]
-
 [[package]]
 name = "toml_write"
 version = "0.1.2"
@@ -2869,9 +1962,9 @@ dependencies = [

 [[package]]
 name = "tracing-attributes"
-version = "0.1.31"
+version = "0.1.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
+checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2880,9 +1973,9 @@ dependencies = [

 [[package]]
 name = "tracing-core"
-version = "0.1.35"
+version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a04e24fab5c89c6a36eb8558c9656f30d81de51dfa4d3b45f26b21d61fa0a6c"
+checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678"
 dependencies = [
 "once_cell",
 "valuable",
@@ -2923,23 +2016,6 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"

-[[package]]
-name = "typenum"
-version = "1.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
-
-[[package]]
-name = "uds_windows"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89daebc3e6fd160ac4aa9fc8b3bf71e1f74fbf92367ae71fb83a037e8bf164b9"
-dependencies = [
- "memoffset",
- "tempfile",
- "winapi",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.22"
@@ -3437,9 +2513,9 @@ checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"

 [[package]]
 name = "winnow"
-version = "0.7.14"
+version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a5364e9d77fcdeeaa6062ced926ee3381faa2ee02d3eb83a5c27a8825540829"
+checksum = "21a0236b59786fed61e2a80582dd500fe61f18b5dca67a4a067d0bc9039339cf"
 dependencies = [
 "memchr",
 ]
@@ -3466,16 +2542,6 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9edde0db4769d2dc68579893f2306b26c6ecfbe0ef499b013d731b7b9247e0b9"

-[[package]]
-name = "xdg-home"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec1cdab258fb55c0da61328dc52c8764709b249011b2cad0454c72f0bf10a1f6"
-dependencies = [
- "libc",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "yoke"
 version = "0.8.1"
@@ -3499,82 +2565,20 @@ dependencies = [
 "synstructure",
 ]

-[[package]]
-name = "zbus"
-version = "4.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb97012beadd29e654708a0fdb4c84bc046f537aecfde2c3ee0a9e4b4d48c725"
-dependencies = [
- "async-broadcast",
- "async-executor",
- "async-fs",
- "async-io",
- "async-lock",
- "async-process",
- "async-recursion",
- "async-task",
- "async-trait",
- "blocking",
- "enumflags2",
- "event-listener",
- "futures-core",
- "futures-sink",
- "futures-util",
- "hex",
- "nix 0.29.0",
- "ordered-stream",
- "rand",
- "serde",
- "serde_repr",
- "sha1",
- "static_assertions",
- "tracing",
- "uds_windows",
- "windows-sys 0.52.0",
- "xdg-home",
- "zbus_macros",
- "zbus_names",
- "zvariant",
-]
-
-[[package]]
-name = "zbus_macros"
-version = "4.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "267db9407081e90bbfa46d841d3cbc60f59c0351838c4bc65199ecd79ab1983e"
-dependencies = [
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn",
- "zvariant_utils",
-]
-
-[[package]]
-name = "zbus_names"
-version = "3.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b9b1fef7d021261cc16cba64c351d291b715febe0fa10dc3a443ac5a5022e6c"
-dependencies = [
- "serde",
- "static_assertions",
- "zvariant",
-]
-
 [[package]]
 name = "zerocopy"
-version = "0.8.30"
+version = "0.8.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ea879c944afe8a2b25fef16bb4ba234f47c694565e97383b36f3a878219065c"
+checksum = "0894878a5fa3edfd6da3f88c4805f4c8558e2b996227a3d864f47fe11e38282c"
 dependencies = [
 "zerocopy-derive",
 ]

 [[package]]
 name = "zerocopy-derive"
-version = "0.8.30"
+version = "0.8.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf955aa904d6040f70dc8e9384444cb1030aed272ba3cb09bbc4ab9e7c1f34f5"
+checksum = "88d2b8d9c68ad2b9e4340d7832716a4d21a22a1154777ad56ea55c51a9cf3831"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -3666,40 +2670,3 @@ dependencies = [
 "system-deps",
 "zeromq-src",
 ]
-
-[[package]]
-name = "zvariant"
-version = "4.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2084290ab9a1c471c38fc524945837734fbf124487e105daec2bb57fd48c81fe"
-dependencies = [
- "endi",
- "enumflags2",
- "serde",
- "static_assertions",
- "zvariant_derive",
-]
-
-[[package]]
-name = "zvariant_derive"
-version = "4.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73e2ba546bda683a90652bac4a279bc146adad1386f25379cf73200d2002c449"
-dependencies = [
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn",
- "zvariant_utils",
-]
-
-[[package]]
-name = "zvariant_utils"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51bcff7cc3dbb5055396bcf774748c3dab426b4b8659046963523cee4808340"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
--- a/agent/Cargo.toml
+++ b/agent/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.198"
+version = "0.1.205"
 edition = "2021"

 [dependencies]
@@ -20,17 +20,4 @@ gethostname = { workspace = true }
 chrono-tz = "0.8"
 toml = { workspace = true }
 async-trait = "0.1"
-reqwest = { version = "0.11", features = ["json", "blocking"] }
-
-# Native system APIs
-nix = { version = "0.29", features = ["fs"] }
-rtnetlink = "0.14"
-netlink-packet-route = "0.19"
-futures = "0.3"
-libc = "0.2"
-
-# Docker API client
-bollard = "0.17"
-
-# D-Bus client for systemd
-zbus = "4.0"
+reqwest = { version = "0.11", features = ["json", "blocking"] }
--- a/agent/src/collectors/cpu.rs
+++ b/agent/src/collectors/cpu.rs
@@ -1,25 +1,22 @@
 use async_trait::async_trait;
-use cm_dashboard_shared::{AgentData, Status, HysteresisThresholds, CpuData};
-use std::sync::RwLock;
-use std::time::Instant;
+use cm_dashboard_shared::{AgentData, Status, HysteresisThresholds};

 use tracing::debug;

 use super::{utils, Collector, CollectorError};
 use crate::config::CpuConfig;

-/// Extremely efficient CPU metrics collector with interval-based caching
+/// Extremely efficient CPU metrics collector
+///
+/// EFFICIENCY OPTIMIZATIONS:
+/// - Single /proc/loadavg read for all load metrics
+/// - Single /proc/stat read for CPU usage
+/// - Minimal string allocations
+/// - No process spawning
+/// - <0.1ms collection time target
 pub struct CpuCollector {
    load_thresholds: HysteresisThresholds,
    temperature_thresholds: HysteresisThresholds,
-    config: CpuConfig,
-    state: RwLock<CpuCacheState>,
-}
-
-#[derive(Debug, Clone)]
-struct CpuCacheState {
-    last_collection: Option<Instant>,
-    cached_data: CpuData,
 }

 impl CpuCollector {
@@ -29,39 +26,15 @@ impl CpuCollector {
            config.load_warning_threshold,
            config.load_critical_threshold,
        );
-
+        
        let temperature_thresholds = HysteresisThresholds::new(
            config.temperature_warning_threshold,
            config.temperature_critical_threshold,
        );
-
+        
        Self {
            load_thresholds,
            temperature_thresholds,
-            config,
-            state: RwLock::new(CpuCacheState {
-                last_collection: None,
-                cached_data: CpuData {
-                    load_1min: 0.0,
-                    load_5min: 0.0,
-                    load_15min: 0.0,
-                    frequency_mhz: 0.0,
-                    temperature_celsius: None,
-                    load_status: Status::Unknown,
-                    temperature_status: Status::Unknown,
-                },
-            }),
-        }
-    }
-
-    fn should_update_cache(&self) -> bool {
-        let state = self.state.read().unwrap();
-        match state.last_collection {
-            None => true,
-            Some(last) => {
-                let cache_duration = std::time::Duration::from_secs(self.config.interval_seconds);
-                last.elapsed() > cache_duration
-            }
        }
    }

@@ -183,14 +156,6 @@ impl CpuCollector {
 #[async_trait]
 impl Collector for CpuCollector {
    async fn collect_structured(&self, agent_data: &mut AgentData) -> Result<(), CollectorError> {
-        // Check if cache is valid
-        if !self.should_update_cache() {
-            let state = self.state.read().unwrap();
-            agent_data.system.cpu = state.cached_data.clone();
-            debug!("Using cached CPU data (interval: {}s)", self.config.interval_seconds);
-            return Ok(());
-        }
-
        debug!("Collecting CPU metrics");
        let start = std::time::Instant::now();

@@ -222,11 +187,6 @@ impl Collector for CpuCollector {
            Status::Unknown
        };

-        // Update cache
-        let mut state = self.state.write().unwrap();
-        state.last_collection = Some(Instant::now());
-        state.cached_data = agent_data.system.cpu.clone();
-
        Ok(())
    }
 }
--- a/agent/src/collectors/disk.rs
+++ b/agent/src/collectors/disk.rs
@@ -6,7 +6,6 @@ use crate::config::DiskConfig;
 use std::process::Command;
 use std::time::Instant;
 use std::collections::HashMap;
-use std::sync::RwLock;
 use tracing::debug;

 use super::{Collector, CollectorError};
@@ -15,19 +14,6 @@ use super::{Collector, CollectorError};
 pub struct DiskCollector {
    config: DiskConfig,
    temperature_thresholds: HysteresisThresholds,
-    /// Cached state with thread-safe interior mutability
-    state: RwLock<DiskCacheState>,
-}
-
-/// Internal state for disk caching
-#[derive(Debug, Clone)]
-struct DiskCacheState {
-    /// Last collection time for performance tracking
-    last_collection: Option<Instant>,
-    /// Cached drive data
-    cached_drives: Vec<DriveData>,
-    /// Cached pool data
-    cached_pools: Vec<PoolData>,
 }

 /// A physical drive with its filesystems
@@ -72,17 +58,10 @@ impl DiskCollector {
            config.temperature_warning_celsius,
            config.temperature_critical_celsius,
        );
-
-        let state = DiskCacheState {
-            last_collection: None,
-            cached_drives: Vec::new(),
-            cached_pools: Vec::new(),
-        };
-
+        
        Self {
            config,
            temperature_thresholds,
-            state: RwLock::new(state),
        }
    }

@@ -125,70 +104,40 @@ impl DiskCollector {
        self.populate_drives_data(&physical_drives, &smart_data, agent_data)?;
        self.populate_pools_data(&mergerfs_pools, &smart_data, agent_data)?;

-        // Step 7: Update cache with fresh data
-        {
-            let mut state = self.state.write().unwrap();
-            state.cached_drives = agent_data.system.storage.drives.clone();
-            state.cached_pools = agent_data.system.storage.pools.clone();
-            state.last_collection = Some(Instant::now());
-        }
-
        let elapsed = start_time.elapsed();
        debug!("Storage collection completed in {:?}", elapsed);

        Ok(())
    }

-    /// Check if disk collection cache should be updated
-    fn should_update_cache(&self) -> bool {
-        let state = self.state.read().unwrap();
-
-        match state.last_collection {
-            None => true,
-            Some(last) => {
-                let cache_duration = std::time::Duration::from_secs(self.config.interval_seconds);
-                last.elapsed() > cache_duration
-            }
-        }
-    }
-
-    /// Get cached disk data if available and fresh
-    fn get_cached_data(&self) -> Option<(Vec<DriveData>, Vec<PoolData>)> {
-        if !self.should_update_cache() {
-            let state = self.state.read().unwrap();
-            Some((state.cached_drives.clone(), state.cached_pools.clone()))
-        } else {
-            None
-        }
-    }
-
-    /// Get block devices and their mount points by reading /proc/mounts
+    /// Get block devices and their mount points using lsblk
    async fn get_mount_devices(&self) -> Result<HashMap<String, String>, CollectorError> {
-        let content = std::fs::read_to_string("/proc/mounts")
+        use super::run_command_with_timeout;
+
+        let mut cmd = Command::new("lsblk");
+        cmd.args(&["-rn", "-o", "NAME,MOUNTPOINT"]);
+
+        let output = run_command_with_timeout(cmd, 2).await
            .map_err(|e| CollectorError::SystemRead {
-                path: "/proc/mounts".to_string(),
+                path: "block devices".to_string(),
                error: e.to_string(),
            })?;

        let mut mount_devices = HashMap::new();
-
-        for line in content.lines() {
+        for line in String::from_utf8_lossy(&output.stdout).lines() {
            let parts: Vec<&str> = line.split_whitespace().collect();
-            if parts.len() >= 3 {
-                let device = parts[0];
+            if parts.len() >= 2 {
+                let device_name = parts[0];
                let mount_point = parts[1];
-                let fs_type = parts[2];
-
-                // Skip pseudo filesystems and fuse mounts
-                if fs_type.starts_with("fuse") ||
-                   matches!(fs_type, "proc" | "sysfs" | "tmpfs" | "devtmpfs" |
-                           "devpts" | "cgroup" | "cgroup2" | "pstore" | "bpf" |
-                           "tracefs" | "debugfs" | "securityfs" | "hugetlbfs" |
-                           "mqueue" | "configfs" | "autofs") {
+                
+                // Skip swap partitions and unmounted devices
+                if mount_point == "[SWAP]" || mount_point.is_empty() {
                    continue;
                }
-
-                mount_devices.insert(mount_point.to_string(), device.to_string());
+                
+                // Convert device name to full path
+                let device_path = format!("/dev/{}", device_name);
+                mount_devices.insert(mount_point.to_string(), device_path);
            }
        }

@@ -238,20 +187,44 @@ impl DiskCollector {
        Ok(())
    }

-    /// Get filesystem info for a single mount point using statvfs syscall
+    /// Get filesystem info for a single mount point
    fn get_filesystem_info(&self, mount_point: &str) -> Result<(u64, u64), CollectorError> {
-        use nix::sys::statvfs::statvfs;
+        let output = std::process::Command::new("timeout")
+            .args(&["2", "df", "--block-size=1", mount_point])
+            .output()
+            .map_err(|e| CollectorError::SystemRead {
+                path: format!("df {}", mount_point),
+                error: e.to_string(),
+            })?;

-        let stat = statvfs(mount_point).map_err(|e| CollectorError::SystemRead {
-            path: mount_point.to_string(),
-            error: format!("statvfs failed: {}", e),
+        let output_str = String::from_utf8_lossy(&output.stdout);
+        let lines: Vec<&str> = output_str.lines().collect();
+        
+        if lines.len() < 2 {
+            return Err(CollectorError::Parse {
+                value: output_str.to_string(),
+                error: "Expected at least 2 lines from df output".to_string(),
+            });
+        }
+
+        // Parse the data line (skip header)
+        let parts: Vec<&str> = lines[1].split_whitespace().collect();
+        if parts.len() < 4 {
+            return Err(CollectorError::Parse {
+                value: lines[1].to_string(),
+                error: "Expected at least 4 fields in df output".to_string(),
+            });
+        }
+
+        let total_bytes: u64 = parts[1].parse().map_err(|e| CollectorError::Parse {
+            value: parts[1].to_string(),
+            error: format!("Failed to parse total bytes: {}", e),
        })?;

-        // Calculate total and used bytes
-        let block_size = stat.fragment_size() as u64;
-        let total_bytes = stat.blocks() as u64 * block_size;
-        let available_bytes = stat.blocks_available() as u64 * block_size;
-        let used_bytes = total_bytes - available_bytes;
+        let used_bytes: u64 = parts[2].parse().map_err(|e| CollectorError::Parse {
+            value: parts[2].to_string(),
+            error: format!("Failed to parse used bytes: {}", e),
+        })?;

        Ok((total_bytes, used_bytes))
    }
@@ -787,29 +760,32 @@ impl DiskCollector {
        Ok((data_drives, parity_drives))
    }

-    /// Get drive information for a mount path by reading /proc/mounts
+    /// Get drive information for a mount path
    fn get_drive_info_for_path(&self, path: &str) -> anyhow::Result<PoolDrive> {
-        // Read /proc/mounts to find the backing device
-        let content = std::fs::read_to_string("/proc/mounts")
-            .map_err(|e| anyhow::anyhow!("Failed to read /proc/mounts: {}", e))?;
-
+        // Use lsblk to find the backing device with timeout
+        let output = Command::new("timeout")
+            .args(&["2", "lsblk", "-rn", "-o", "NAME,MOUNTPOINT"])
+            .output()
+            .map_err(|e| anyhow::anyhow!("Failed to run lsblk: {}", e))?;
+            
+        let output_str = String::from_utf8_lossy(&output.stdout);
        let mut device = String::new();
-
-        for line in content.lines() {
+        
+        for line in output_str.lines() {
            let parts: Vec<&str> = line.split_whitespace().collect();
            if parts.len() >= 2 && parts[1] == path {
                device = parts[0].to_string();
                break;
            }
        }
-
+        
        if device.is_empty() {
            return Err(anyhow::anyhow!("Could not find device for path {}", path));
        }
-
-        // Extract base device name (e.g., "/dev/sda1" -> "sda")
-        let base_device = self.extract_base_device(&device);
-
+        
+        // Extract base device name (e.g., "sda1" -> "sda")
+        let base_device = self.extract_base_device(&format!("/dev/{}", device));
+        
        // Get temperature from SMART data if available
        let temperature = if let Ok(smart_data) = tokio::task::block_in_place(|| {
            tokio::runtime::Handle::current().block_on(self.get_smart_data(&base_device))
@@ -818,7 +794,7 @@ impl DiskCollector {
        } else {
            None
        };
-
+        
        Ok(PoolDrive {
            name: base_device,
            mount_point: path.to_string(),
@@ -862,15 +838,7 @@ impl DiskCollector {
 #[async_trait]
 impl Collector for DiskCollector {
    async fn collect_structured(&self, agent_data: &mut AgentData) -> Result<(), CollectorError> {
-        // Use cached data if available and fresh
-        if let Some((cached_drives, cached_pools)) = self.get_cached_data() {
-            agent_data.system.storage.drives = cached_drives;
-            agent_data.system.storage.pools = cached_pools;
-            Ok(())
-        } else {
-            // Collect fresh data
-            self.collect_storage_data(agent_data).await
-        }
+        self.collect_storage_data(agent_data).await
    }
 }

--- a/agent/src/collectors/memory.rs
+++ b/agent/src/collectors/memory.rs
@@ -95,47 +95,62 @@ impl MemoryCollector {
        Ok(())
    }

-    /// Populate tmpfs data into AgentData using statvfs syscall
+    /// Populate tmpfs data into AgentData
    async fn populate_tmpfs_data(&self, agent_data: &mut AgentData) -> Result<(), CollectorError> {
-        use nix::sys::statvfs::statvfs;
-
        // Discover all tmpfs mount points
        let tmpfs_mounts = self.discover_tmpfs_mounts()?;
-
+        
        if tmpfs_mounts.is_empty() {
            debug!("No tmpfs mounts found to monitor");
            return Ok(());
        }

-        // Get usage data for each tmpfs mount using statvfs syscall
-        for mount_point in tmpfs_mounts {
-            match statvfs(mount_point.as_str()) {
-                Ok(stat) => {
-                    let block_size = stat.fragment_size() as u64;
-                    let total_bytes = stat.blocks() as u64 * block_size;
-                    let available_bytes = stat.blocks_available() as u64 * block_size;
-                    let used_bytes = total_bytes - available_bytes;
+        // Get usage data for all tmpfs mounts at once using df (with 2 second timeout)
+        let mut df_args = vec!["2", "df", "--output=target,size,used", "--block-size=1"];
+        df_args.extend(tmpfs_mounts.iter().map(|s| s.as_str()));

-                    if total_bytes == 0 {
-                        continue;
-                    }
+        let df_output = std::process::Command::new("timeout")
+            .args(&df_args[..])
+            .output()
+            .map_err(|e| CollectorError::SystemRead {
+                path: "tmpfs mounts".to_string(),
+                error: e.to_string(),
+            })?;

-                    let total_gb = total_bytes as f32 / (1024.0 * 1024.0 * 1024.0);
-                    let used_gb = used_bytes as f32 / (1024.0 * 1024.0 * 1024.0);
-                    let usage_percent = (used_bytes as f32 / total_bytes as f32) * 100.0;
+        let df_str = String::from_utf8_lossy(&df_output.stdout);
+        let df_lines: Vec<&str> = df_str.lines().skip(1).collect(); // Skip header

-                    // Add to tmpfs list
-                    agent_data.system.memory.tmpfs.push(TmpfsData {
-                        mount: mount_point.clone(),
-                        usage_percent,
-                        used_gb,
-                        total_gb,
-                    });
-                }
-                Err(e) => {
-                    debug!("Failed to get stats for tmpfs mount {}: {}", mount_point, e);
-                }
+        // Process each tmpfs mount
+        for (i, mount_point) in tmpfs_mounts.iter().enumerate() {
+            if i >= df_lines.len() {
+                debug!("Not enough df output lines for tmpfs mount: {}", mount_point);
+                continue;
            }
+
+            let parts: Vec<&str> = df_lines[i].split_whitespace().collect();
+            if parts.len() < 3 {
+                debug!("Invalid df output for tmpfs mount: {}", mount_point);
+                continue;
+            }
+
+            let total_bytes: u64 = parts[1].parse().unwrap_or(0);
+            let used_bytes: u64 = parts[2].parse().unwrap_or(0);
+
+            if total_bytes == 0 {
+                continue;
+            }
+
+            let total_gb = total_bytes as f32 / (1024.0 * 1024.0 * 1024.0);
+            let used_gb = used_bytes as f32 / (1024.0 * 1024.0 * 1024.0);
+            let usage_percent = (used_bytes as f32 / total_bytes as f32) * 100.0;
+
+            // Add to tmpfs list
+            agent_data.system.memory.tmpfs.push(TmpfsData {
+                mount: mount_point.clone(),
+                usage_percent,
+                used_gb,
+                total_gb,
+            });
        }

        // Sort tmpfs mounts by mount point for consistent display order
--- a/agent/src/collectors/network.rs
+++ b/agent/src/collectors/network.rs
@@ -1,12 +1,7 @@
 use async_trait::async_trait;
 use cm_dashboard_shared::{AgentData, NetworkInterfaceData, Status};
+use std::process::Command;
 use tracing::debug;
-use futures::stream::TryStreamExt;
-use rtnetlink::{new_connection, IpVersion};
-use netlink_packet_route::link::LinkAttribute;
-use netlink_packet_route::address::AddressAttribute;
-use netlink_packet_route::route::RouteAttribute;
-use std::net::IpAddr;

 use super::{Collector, CollectorError};
 use crate::config::NetworkConfig;
@@ -54,52 +49,36 @@ impl NetworkCollector {
        }
    }

-    /// Get the primary physical interface (the one with default route) using rtnetlink
-    async fn get_primary_physical_interface() -> Option<String> {
-        let (connection, handle, _) = match new_connection() {
-            Ok(conn) => conn,
-            Err(e) => {
-                debug!("Failed to create netlink connection: {}", e);
-                return None;
-            }
-        };
-
-        tokio::spawn(connection);
-
-        // Get default route
-        let mut routes = handle.route().get(IpVersion::V4).execute();
-
-        while let Ok(Some(route)) = routes.try_next().await {
-            // Check if this is a default route (destination is 0.0.0.0/0)
-            if route.header.destination_prefix_length == 0 {
-                // Find the output interface (OIF) attribute
-                if let Some(oif) = route.attributes.iter().find_map(|attr| {
-                    if let RouteAttribute::Oif(index) = attr {
-                        Some(*index)
-                    } else {
-                        None
-                    }
-                }) {
-                    // Get interface name from index
-                    let mut link = handle.link().get().match_index(oif).execute();
-                    if let Ok(Some(link_msg)) = link.try_next().await {
-                        if let Some(name) = link_msg.attributes.iter().find_map(|attr| {
-                            if let LinkAttribute::IfName(n) = attr {
-                                Some(n.to_string())
+    /// Get the primary physical interface (the one with default route)
+    fn get_primary_physical_interface() -> Option<String> {
+        match Command::new("timeout").args(["2", "ip", "route", "show", "default"]).output() {
+            Ok(output) if output.status.success() => {
+                let output_str = String::from_utf8_lossy(&output.stdout);
+                // Parse: "default via 192.168.1.1 dev eno1 ..."
+                for line in output_str.lines() {
+                    if line.starts_with("default") {
+                        if let Some(dev_pos) = line.find(" dev ") {
+                            let after_dev = &line[dev_pos + 5..];
+                            if let Some(space_pos) = after_dev.find(' ') {
+                                let interface = &after_dev[..space_pos];
+                                // Only return if it's a physical interface
+                                if Self::is_physical_interface(interface) {
+                                    return Some(interface.to_string());
+                                }
                            } else {
-                                None
-                            }
-                        }) {
-                            if Self::is_physical_interface(&name) {
-                                return Some(name);
+                                // No space after interface name (end of line)
+                                let interface = after_dev.trim();
+                                if Self::is_physical_interface(interface) {
+                                    return Some(interface.to_string());
+                                }
                            }
                        }
                    }
                }
+                None
            }
+            _ => None,
        }
-
-        None
    }

    /// Parse VLAN configuration from /proc/net/vlan/config
@@ -124,105 +103,102 @@ impl NetworkCollector {
        vlan_map
    }

-    /// Collect network interfaces using rtnetlink
+    /// Collect network interfaces using ip command
    async fn collect_interfaces(&self) -> Vec<NetworkInterfaceData> {
        let mut interfaces = Vec::new();

        // Parse VLAN configuration
        let vlan_map = Self::parse_vlan_config();

-        // Create netlink connection
-        let (connection, handle, _) = match new_connection() {
-            Ok(conn) => conn,
-            Err(e) => {
-                debug!("Failed to create netlink connection: {}", e);
-                return interfaces;
-            }
-        };
+        match Command::new("timeout").args(["2", "ip", "-j", "addr"]).output() {
+            Ok(output) if output.status.success() => {
+                let json_str = String::from_utf8_lossy(&output.stdout);

-        tokio::spawn(connection);
+                if let Ok(json_data) = serde_json::from_str::<serde_json::Value>(&json_str) {
+                    if let Some(ifaces) = json_data.as_array() {
+                        for iface in ifaces {
+                            let name = iface["ifname"].as_str().unwrap_or("").to_string();

-        // Get all links
-        let mut links = handle.link().get().execute();
+                            // Skip loopback, empty names, and ifb* interfaces
+                            if name.is_empty() || name == "lo" || name.starts_with("ifb") {
+                                continue;
+                            }

-        while let Ok(Some(link)) = links.try_next().await {
-            // Get interface name
-            let name = match link.attributes.iter().find_map(|attr| {
-                if let LinkAttribute::IfName(n) = attr {
-                    Some(n.to_string())
-                } else {
-                    None
-                }
-            }) {
-                Some(n) => n,
-                None => continue,
-            };
+                            // Parse parent interface from @parent notation (e.g., lan@enp0s31f6)
+                            let (interface_name, parent_interface) = if let Some(at_pos) = name.find('@') {
+                                let (child, parent) = name.split_at(at_pos);
+                                (child.to_string(), Some(parent[1..].to_string()))
+                            } else {
+                                (name.clone(), None)
+                            };

-            // Skip loopback and ifb interfaces
-            if name == "lo" || name.starts_with("ifb") {
-                continue;
-            }
+                            let mut ipv4_addresses = Vec::new();
+                            let mut ipv6_addresses = Vec::new();

-            // Parse parent interface from @parent notation (e.g., lan@enp0s31f6)
-            let (interface_name, parent_interface) = if let Some(at_pos) = name.find('@') {
-                let (child, parent) = name.split_at(at_pos);
-                (child.to_string(), Some(parent[1..].to_string()))
-            } else {
-                (name.clone(), None)
-            };
-
-            // Get IP addresses for this interface
-            let mut ipv4_addresses = Vec::new();
-            let mut ipv6_addresses = Vec::new();
-
-            let mut addrs = handle.address().get().set_link_index_filter(link.header.index).execute();
-            while let Ok(Some(addr)) = addrs.try_next().await {
-                for nla in &addr.attributes {
-                    if let AddressAttribute::Address(ip) = nla {
-                        match ip {
-                            IpAddr::V4(ipv4) => ipv4_addresses.push(ipv4.to_string()),
-                            IpAddr::V6(ipv6) => {
-                                // Skip link-local IPv6 addresses (fe80::)
-                                if !ipv6.to_string().starts_with("fe80:") {
-                                    ipv6_addresses.push(ipv6.to_string());
+                            // Extract IP addresses
+                            if let Some(addr_info) = iface["addr_info"].as_array() {
+                                for addr in addr_info {
+                                    if let Some(family) = addr["family"].as_str() {
+                                        if let Some(local) = addr["local"].as_str() {
+                                            match family {
+                                                "inet" => ipv4_addresses.push(local.to_string()),
+                                                "inet6" => {
+                                                    // Skip link-local IPv6 addresses (fe80::)
+                                                    if !local.starts_with("fe80:") {
+                                                        ipv6_addresses.push(local.to_string());
+                                                    }
+                                                }
+                                                _ => {}
+                                            }
+                                        }
+                                    }
                                }
                            }
+
+                            // Determine if physical and get status
+                            let is_physical = Self::is_physical_interface(&interface_name);
+
+                            // Only filter out virtual interfaces without IPs
+                            // Physical interfaces should always be shown even if down/no IPs
+                            if !is_physical && ipv4_addresses.is_empty() && ipv6_addresses.is_empty() {
+                                continue;
+                            }
+
+                            let link_status = if is_physical {
+                                Self::get_link_status(&name)
+                            } else {
+                                Status::Unknown  // Virtual interfaces don't have meaningful link status
+                            };
+
+                            // Look up VLAN ID from the map (use original name before @ parsing)
+                            let vlan_id = vlan_map.get(&name).copied();
+
+                            interfaces.push(NetworkInterfaceData {
+                                name: interface_name,
+                                ipv4_addresses,
+                                ipv6_addresses,
+                                is_physical,
+                                link_status,
+                                parent_interface,
+                                vlan_id,
+                            });
                        }
                    }
                }
            }
-
-            // Determine if physical
-            let is_physical = Self::is_physical_interface(&interface_name);
-
-            // Only filter out virtual interfaces without IPs
-            if !is_physical && ipv4_addresses.is_empty() && ipv6_addresses.is_empty() {
-                continue;
+            Err(e) => {
+                debug!("Failed to execute ip command: {}", e);
+            }
+            Ok(output) => {
+                debug!("ip command failed with status: {}", output.status);
            }
-
-            let link_status = if is_physical {
-                Self::get_link_status(&name)
-            } else {
-                Status::Unknown
-            };
-
-            // Look up VLAN ID
-            let vlan_id = vlan_map.get(&name).copied();
-
-            interfaces.push(NetworkInterfaceData {
-                name: interface_name,
-                ipv4_addresses,
-                ipv6_addresses,
-                is_physical,
-                link_status,
-                parent_interface,
-                vlan_id,
-            });
        }

-        // Assign primary physical interface as parent to virtual interfaces
-        if let Some(primary) = Self::get_primary_physical_interface().await {
+        // Assign primary physical interface as parent to virtual interfaces without explicit parent
+        let primary_interface = Self::get_primary_physical_interface();
+        if let Some(primary) = primary_interface {
            for interface in interfaces.iter_mut() {
+                // Only assign parent to virtual interfaces that don't already have one
                if !interface.is_physical && interface.parent_interface.is_none() {
                    interface.parent_interface = Some(primary.clone());
                }
--- a/agent/src/collectors/systemd.rs
+++ b/agent/src/collectors/systemd.rs
@@ -4,10 +4,7 @@ use cm_dashboard_shared::{AgentData, ServiceData, SubServiceData, SubServiceMetr
 use std::process::Command;
 use std::sync::RwLock;
 use std::time::Instant;
-use tracing::{debug, warn};
-use bollard::Docker;
-use bollard::container::ListContainersOptions;
-use zbus::Connection;
+use tracing::debug;

 use super::{Collector, CollectorError};
 use crate::config::SystemdConfig;
@@ -77,7 +74,7 @@ impl SystemdCollector {
        debug!("Collecting systemd services metrics");

        // Get cached services (discovery only happens when needed)
-        let monitored_services = match self.get_monitored_services().await {
+        let monitored_services = match self.get_monitored_services() {
            Ok(services) => services,
            Err(e) => {
                debug!("Failed to get monitored services: {}", e);
@@ -90,14 +87,11 @@ impl SystemdCollector {
        for service_name in &monitored_services {
            match self.get_service_status(service_name) {
                Ok((active_status, _detailed_info)) => {
-                    let memory_mb = self.get_service_memory_usage(service_name).await.unwrap_or(0.0);
-                    let disk_gb = self.get_service_disk_usage(service_name).await.unwrap_or(0.0);
-                    
                    let mut sub_services = Vec::new();

                    // Sub-service metrics for specific services (always include cached results)
                    if service_name.contains("nginx") && active_status == "active" {
-                        let nginx_sites = self.get_nginx_site_metrics().await;
+                        let nginx_sites = self.get_nginx_site_metrics();
                        for (site_name, latency_ms) in nginx_sites {
                            let site_status = if latency_ms >= 0.0 && latency_ms < self.config.nginx_latency_critical_ms {
                                "active"
@@ -122,7 +116,7 @@ impl SystemdCollector {
                    }

                    if service_name.contains("docker") && active_status == "active" {
-                        let docker_containers = self.get_docker_containers().await;
+                        let docker_containers = self.get_docker_containers();
                        for (container_name, container_status) in docker_containers {
                            // For now, docker containers have no additional metrics
                            // Future: could add memory_mb, cpu_percent, restart_count, etc.
@@ -137,7 +131,7 @@ impl SystemdCollector {
                        }

                        // Add Docker images
-                        let docker_images = self.get_docker_images().await;
+                        let docker_images = self.get_docker_images();
                        for (image_name, image_status, image_size_mb) in docker_images {
                            let mut metrics = Vec::new();
                            metrics.push(SubServiceMetric {
@@ -158,8 +152,6 @@ impl SystemdCollector {
                    // Create complete service data
                    let service_data = ServiceData {
                        name: service_name.clone(),
-                        memory_mb,
-                        disk_gb,
                        user_stopped: false, // TODO: Integrate with service tracker
                        service_status: self.calculate_service_status(service_name, &active_status),
                        sub_services,
@@ -193,7 +185,7 @@ impl SystemdCollector {
    }

    /// Get monitored services, discovering them if needed or cache is expired
-    async fn get_monitored_services(&self) -> Result<Vec<String>> {
+    fn get_monitored_services(&self) -> Result<Vec<String>> {
        // Check if we need discovery without holding the lock
        let needs_discovery = {
            let state = self.state.read().unwrap();
@@ -208,7 +200,7 @@ impl SystemdCollector {

        if needs_discovery {
            debug!("Discovering systemd services (cache expired or first run)");
-            match self.discover_services_internal().await {
+            match self.discover_services_internal() {
                Ok((services, status_cache)) => {
                    if let Ok(mut state) = self.state.write() {
                        state.monitored_services = services.clone();
@@ -231,77 +223,95 @@ impl SystemdCollector {
    }

    /// Get nginx site metrics, checking them if cache is expired (like old working version)
-    async fn get_nginx_site_metrics(&self) -> Vec<(String, f32)> {
-        // Check if we need to refresh (read lock)
-        let needs_refresh = {
-            let state = self.state.read().unwrap();
-            match state.last_nginx_check_time {
-                None => true,
-                Some(last_time) => {
-                    let elapsed = last_time.elapsed().as_secs();
-                    elapsed >= state.nginx_check_interval_seconds
-                }
+    fn get_nginx_site_metrics(&self) -> Vec<(String, f32)> {
+        let mut state = self.state.write().unwrap();
+
+        // Check if we need to refresh nginx site metrics
+        let needs_refresh = match state.last_nginx_check_time {
+            None => true, // First time
+            Some(last_time) => {
+                let elapsed = last_time.elapsed().as_secs();
+                elapsed >= state.nginx_check_interval_seconds
            }
        };

        if needs_refresh {
-            // Check if nginx is active (read lock)
-            let has_nginx = {
-                let state = self.state.read().unwrap();
-                state.monitored_services.iter().any(|s| s.contains("nginx"))
-            };
-
-            if has_nginx {
-                let fresh_metrics = self.get_nginx_sites_internal().await;
-                let mut state = self.state.write().unwrap();
+            // Only check nginx sites if nginx service is active
+            if state.monitored_services.iter().any(|s| s.contains("nginx")) {
+                let fresh_metrics = self.get_nginx_sites_internal();
                state.nginx_site_metrics = fresh_metrics;
                state.last_nginx_check_time = Some(Instant::now());
            }
        }

-        let state = self.state.read().unwrap();
        state.nginx_site_metrics.clone()
    }

-    /// Auto-discover interesting services to monitor using D-Bus
-    async fn discover_services_internal(&self) -> Result<(Vec<String>, std::collections::HashMap<String, ServiceStatusInfo>)> {
-        // Connect to system D-Bus
-        let connection = Connection::system().await?;
+    /// Auto-discover interesting services to monitor
+    fn discover_services_internal(&self) -> Result<(Vec<String>, std::collections::HashMap<String, ServiceStatusInfo>)> {
+        // First: Get all service unit files (with 3 second timeout)
+        let unit_files_output = Command::new("timeout")
+            .args(&["3", "systemctl", "list-unit-files", "--type=service", "--no-pager", "--plain"])
+            .output()?;

-        // Get systemd manager proxy
-        let proxy = zbus::Proxy::new(
-            &connection,
-            "org.freedesktop.systemd1",
-            "/org/freedesktop/systemd1",
-            "org.freedesktop.systemd1.Manager",
-        ).await?;
+        if !unit_files_output.status.success() {
+            return Err(anyhow::anyhow!("systemctl list-unit-files command failed"));
+        }

-        // List all units via D-Bus
-        let units: Vec<(String, String, String, String, String, String, zbus::zvariant::OwnedObjectPath, u32, String, zbus::zvariant::OwnedObjectPath)> =
-            proxy.call("ListUnits", &()).await?;
+        // Second: Get runtime status of all units (with 3 second timeout)
+        let units_status_output = Command::new("timeout")
+            .args(&["3", "systemctl", "list-units", "--type=service", "--all", "--no-pager", "--plain"])
+            .output()?;

+        if !units_status_output.status.success() {
+            return Err(anyhow::anyhow!("systemctl list-units command failed"));
+        }
+
+        let unit_files_str = String::from_utf8(unit_files_output.stdout)?;
+        let units_status_str = String::from_utf8(units_status_output.stdout)?;
+        let mut services = Vec::new();
+
+        let excluded_services = &self.config.excluded_services;
+        let service_name_filters = &self.config.service_name_filters;
+
+        // Parse all service unit files
        let mut all_service_names = std::collections::HashSet::new();
-        let mut service_status_cache = std::collections::HashMap::new();
-
-        // Parse D-Bus response for services only
-        for unit in units {
-            let (unit_name, _description, load_state, active_state, sub_state, _followed, _unit_path, _job_id, _job_type, _job_path) = unit;
-
-            if unit_name.ends_with(".service") {
-                let service_name = unit_name.trim_end_matches(".service");
+        for line in unit_files_str.lines() {
+            let fields: Vec<&str> = line.split_whitespace().collect();
+            if fields.len() >= 2 && fields[0].ends_with(".service") {
+                let service_name = fields[0].trim_end_matches(".service");
                all_service_names.insert(service_name.to_string());
+            }
+        }

-                service_status_cache.insert(service_name.to_string(), ServiceStatusInfo {
-                    load_state: load_state.clone(),
-                    active_state: active_state.clone(),
-                    sub_state: sub_state.clone(),
+        // Parse runtime status for all units
+        let mut status_cache = std::collections::HashMap::new();
+        for line in units_status_str.lines() {
+            let fields: Vec<&str> = line.split_whitespace().collect();
+            if fields.len() >= 4 && fields[0].ends_with(".service") {
+                let service_name = fields[0].trim_end_matches(".service");
+                let load_state = fields.get(1).unwrap_or(&"unknown").to_string();
+                let active_state = fields.get(2).unwrap_or(&"unknown").to_string();
+                let sub_state = fields.get(3).unwrap_or(&"unknown").to_string();
+
+                status_cache.insert(service_name.to_string(), ServiceStatusInfo {
+                    load_state,
+                    active_state,
+                    sub_state,
                });
            }
        }

-        let mut services = Vec::new();
-        let excluded_services = &self.config.excluded_services;
-        let service_name_filters = &self.config.service_name_filters;
+        // For services found in unit files but not in runtime status, set default inactive status
+        for service_name in &all_service_names {
+            if !status_cache.contains_key(service_name) {
+                status_cache.insert(service_name.to_string(), ServiceStatusInfo {
+                    load_state: "not-loaded".to_string(),
+                    active_state: "inactive".to_string(),
+                    sub_state: "dead".to_string(),
+                });
+            }
+        }

        // Process all discovered services and apply filters
        for service_name in &all_service_names {
@@ -327,12 +337,12 @@ impl SystemdCollector {
            }
        }

-        Ok((services, service_status_cache))
+        Ok((services, status_cache))
    }

-    /// Get service status from D-Bus cache
+    /// Get service status from cache (if available) or fallback to systemctl
    fn get_service_status(&self, service: &str) -> Result<(String, String)> {
-        // Get status from D-Bus cache (populated by discover_services_internal)
+        // Try to get status from cache first
        if let Ok(state) = self.state.read() {
            if let Some(cached_info) = state.service_status_cache.get(service) {
                let active_status = cached_info.active_state.clone();
@@ -346,45 +356,20 @@ impl SystemdCollector {
            }
        }

-        // Service not found in D-Bus cache - treat as inactive
-        Ok(("inactive".to_string(), "LoadState=not-found\nActiveState=inactive\nSubState=dead".to_string()))
-    }
+        // Fallback to systemctl if not in cache (with 2 second timeout)
+        let output = Command::new("timeout")
+            .args(&["2", "systemctl", "is-active", &format!("{}.service", service)])
+            .output()?;

-    /// Get a unit property via D-Bus
-    async fn get_unit_property(&self, service_name: &str, property: &str) -> Option<zbus::zvariant::OwnedValue> {
-        // Connect to system D-Bus
-        let connection = Connection::system().await.ok()?;
+        let active_status = String::from_utf8(output.stdout)?.trim().to_string();

-        // Get systemd manager proxy
-        let manager_proxy = zbus::Proxy::new(
-            &connection,
-            "org.freedesktop.systemd1",
-            "/org/freedesktop/systemd1",
-            "org.freedesktop.systemd1.Manager",
-        ).await.ok()?;
+        // Get more detailed info (with 2 second timeout)
+        let output = Command::new("timeout")
+            .args(&["2", "systemctl", "show", &format!("{}.service", service), "--property=LoadState,ActiveState,SubState"])
+            .output()?;

-        // Get unit path for service
-        let unit_name = format!("{}.service", service_name);
-        let unit_path: zbus::zvariant::OwnedObjectPath = manager_proxy
-            .call("GetUnit", &(unit_name,))
-            .await
-            .ok()?;
-
-        // Get property using standard D-Bus Properties interface
-        let prop_proxy = zbus::Proxy::new(
-            &connection,
-            "org.freedesktop.systemd1",
-            unit_path.as_str(),
-            "org.freedesktop.DBus.Properties",
-        ).await.ok()?;
-
-        // Try Service interface first, fallback to Unit interface
-        // Get returns a Variant, we need to extract the inner value
-        if let Ok(variant) = prop_proxy.call("Get", &("org.freedesktop.systemd1.Service", property)).await {
-            return Some(variant);
-        }
-
-        prop_proxy.call("Get", &("org.freedesktop.systemd1.Unit", property)).await.ok()
+        let detailed_info = String::from_utf8(output.stdout)?;
+        Ok((active_status, detailed_info))
    }

    /// Check if service name matches pattern (supports wildcards like nginx*)
@@ -426,71 +411,6 @@ impl SystemdCollector {
        true
    }

-    /// Get disk usage for a specific service
-    async fn get_service_disk_usage(&self, service_name: &str) -> Result<f32, CollectorError> {
-        // Check if this service has configured directory paths
-        if let Some(dirs) = self.config.service_directories.get(service_name) {
-            // Service has configured paths - use the first accessible one
-            for dir in dirs {
-                if let Some(size) = self.get_directory_size(dir).await {
-                    return Ok(size);
-                }
-            }
-            // If configured paths failed, return 0
-            return Ok(0.0);
-        }
-
-        // No configured path - try to get WorkingDirectory from D-Bus
-        if let Some(value) = self.get_unit_property(service_name, "WorkingDirectory").await {
-            // WorkingDirectory is a string property - try to extract as string
-            if let Ok(dir_str) = <String>::try_from(value) {
-                if !dir_str.is_empty() && dir_str != "/" && dir_str != "[not set]" {
-                    return Ok(self.get_directory_size(&dir_str).await.unwrap_or(0.0));
-                }
-            }
-        }
-
-        Ok(0.0)
-    }
-    
-    /// Get size of a directory in GB (with 2 second timeout)
-    async fn get_directory_size(&self, path: &str) -> Option<f32> {
-        use super::run_command_with_timeout;
-
-        // Use -s (summary) and --apparent-size for speed, 2 second timeout
-        let mut cmd = Command::new("sudo");
-        cmd.args(&["du", "-s", "--apparent-size", "--block-size=1", path]);
-
-        let output = run_command_with_timeout(cmd, 2).await.ok()?;
-
-        if !output.status.success() {
-            // Log permission errors for debugging but don't spam logs
-            let stderr = String::from_utf8_lossy(&output.stderr);
-            if stderr.contains("Permission denied") {
-                debug!("Permission denied accessing directory: {}", path);
-            } else if stderr.contains("timed out") {
-                warn!("Directory size check timed out for {}", path);
-            } else {
-                debug!("Failed to get size for directory {}: {}", path, stderr);
-            }
-            return None;
-        }
-
-        let output_str = String::from_utf8(output.stdout).ok()?;
-        let size_str = output_str.split_whitespace().next()?;
-        if let Ok(size_bytes) = size_str.parse::<u64>() {
-            let size_gb = size_bytes as f32 / (1024.0 * 1024.0 * 1024.0);
-            // Return size even if very small (minimum 0.001 GB = 1MB for visibility)
-            if size_gb > 0.0 {
-                Some(size_gb.max(0.001))
-            } else {
-                None
-            }
-        } else {
-            None
-        }
-    }
-
    /// Calculate service status, taking user-stopped services into account
    fn calculate_service_status(&self, service_name: &str, active_status: &str) -> Status {
        match active_status.to_lowercase().as_str() {
@@ -508,19 +428,6 @@ impl SystemdCollector {
        }
    }

-    /// Get memory usage for a specific service via D-Bus
-    async fn get_service_memory_usage(&self, service_name: &str) -> Result<f32, CollectorError> {
-        // Get MemoryCurrent property from D-Bus
-        if let Some(value) = self.get_unit_property(service_name, "MemoryCurrent").await {
-            // MemoryCurrent is a u64 property (bytes) - try to extract
-            if let Ok(memory_bytes) = <u64>::try_from(value) {
-                return Ok(memory_bytes as f32 / (1024.0 * 1024.0)); // Convert to MB
-            }
-        }
-
-        Ok(0.0)
-    }
-
    /// Check if service collection cache should be updated
    fn should_update_cache(&self) -> bool {
        let state = self.state.read().unwrap();
@@ -528,7 +435,7 @@ impl SystemdCollector {
        match state.last_collection {
            None => true,
            Some(last) => {
-                let cache_duration = std::time::Duration::from_secs(self.config.interval_seconds);
+                let cache_duration = std::time::Duration::from_secs(30);
                last.elapsed() > cache_duration
            }
        }
@@ -545,11 +452,11 @@ impl SystemdCollector {
    }

    /// Get nginx sites with latency checks (internal - no caching)
-    async fn get_nginx_sites_internal(&self) -> Vec<(String, f32)> {
+    fn get_nginx_sites_internal(&self) -> Vec<(String, f32)> {
        let mut sites = Vec::new();

        // Discover nginx sites from configuration
-        let discovered_sites = self.discover_nginx_sites().await;
+        let discovered_sites = self.discover_nginx_sites();

        // Always add all discovered sites, even if checks fail (like old version)
        for (site_name, url) in &discovered_sites {
@@ -568,9 +475,9 @@ impl SystemdCollector {
    }

    /// Discover nginx sites from configuration
-    async fn discover_nginx_sites(&self) -> Vec<(String, String)> {
+    fn discover_nginx_sites(&self) -> Vec<(String, String)> {
        // Use the same approach as the old working agent: get nginx config from systemd
-        let config_content = match self.get_nginx_config_from_systemd().await {
+        let config_content = match self.get_nginx_config_from_systemd() {
            Some(content) => content,
            None => {
                debug!("Could not get nginx config from systemd, trying nginx -T fallback");
@@ -603,20 +510,30 @@ impl SystemdCollector {
        Some(String::from_utf8_lossy(&output.stdout).to_string())
    }

-    /// Get nginx config from systemd service definition via D-Bus (NixOS compatible)
-    async fn get_nginx_config_from_systemd(&self) -> Option<String> {
-        // Get ExecStart property from D-Bus
-        let value = self.get_unit_property("nginx", "ExecStart").await?;
+    /// Get nginx config from systemd service definition (NixOS compatible)
+    fn get_nginx_config_from_systemd(&self) -> Option<String> {
+        let output = Command::new("systemctl")
+            .args(&["show", "nginx", "--property=ExecStart", "--no-pager"])
+            .output()
+            .ok()?;

-        // ExecStart is a complex structure: array of (path, args, unclean_exit)
-        // For our purposes, we need to extract the command line
-        let exec_start_str = format!("{:?}", value);
-        debug!("nginx ExecStart from D-Bus: {}", exec_start_str);
+        if !output.status.success() {
+            debug!("Failed to get nginx ExecStart from systemd");
+            return None;
+        }

-        // Extract config path from ExecStart structure
-        if let Some(config_path) = self.extract_config_path_from_exec_start(&exec_start_str) {
-            debug!("Extracted config path: {}", config_path);
-            return std::fs::read_to_string(&config_path).ok();
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        debug!("systemctl show nginx output: {}", stdout);
+
+        // Parse ExecStart to extract -c config path
+        for line in stdout.lines() {
+            if line.starts_with("ExecStart=") {
+                debug!("Found ExecStart line: {}", line);
+                if let Some(config_path) = self.extract_config_path_from_exec_start(line) {
+                    debug!("Extracted config path: {}", config_path);
+                    return std::fs::read_to_string(&config_path).ok();
+                }
+            }
        }

        None
@@ -758,91 +675,94 @@ impl SystemdCollector {
        }
    }

-    /// Get docker containers as sub-services using bollard API
-    async fn get_docker_containers(&self) -> Vec<(String, String)> {
+    /// Get docker containers as sub-services
+    fn get_docker_containers(&self) -> Vec<(String, String)> {
        let mut containers = Vec::new();

-        // Connect to Docker daemon
-        let docker = match Docker::connect_with_local_defaults() {
-            Ok(d) => d,
-            Err(e) => {
-                debug!("Failed to connect to Docker daemon: {}", e);
-                return containers;
-            }
+        // Check if docker is available (cm-agent user is in docker group)
+        // Use -a to show ALL containers (running and stopped) with 3 second timeout
+        let output = Command::new("timeout")
+            .args(&["3", "docker", "ps", "-a", "--format", "{{.Names}},{{.Status}}"])
+            .output();
+
+        let output = match output {
+            Ok(out) if out.status.success() => out,
+            _ => return containers, // Docker not available or failed
        };

-        // List all containers (running and stopped)
-        let list_options = Some(ListContainersOptions::<String> {
-            all: true,
-            ..Default::default()
-        });
-
-        let container_list = match docker.list_containers(list_options).await {
-            Ok(list) => list,
-            Err(e) => {
-                debug!("Failed to list Docker containers: {}", e);
-                return containers;
-            }
+        let output_str = match String::from_utf8(output.stdout) {
+            Ok(s) => s,
+            Err(_) => return containers,
        };

-        for container in container_list {
-            // Get container name (remove leading slash if present)
-            let container_name = container.names
-                .and_then(|names| names.first().map(|n| n.trim_start_matches('/').to_string()))
-                .unwrap_or_else(|| container.id.clone().unwrap_or_default());
+        for line in output_str.lines() {
+            if line.trim().is_empty() {
+                continue;
+            }

-            // Map container state to service status
-            let container_status = match container.state.as_deref() {
-                Some("running") => "active",
-                Some("exited") | Some("created") => "inactive",
-                _ => "failed", // restarting, paused, dead, etc.
-            };
+            let parts: Vec<&str> = line.split(',').collect();
+            if parts.len() >= 2 {
+                let container_name = parts[0].trim();
+                let status_str = parts[1].trim();

-            containers.push((format!("docker_{}", container_name), container_status.to_string()));
+                let container_status = if status_str.contains("Up") {
+                    "active"
+                } else if status_str.contains("Exited") || status_str.contains("Created") {
+                    "inactive" // Stopped/created containers are inactive
+                } else {
+                    "failed" // Other states (restarting, paused, dead) → failed
+                };
+                
+                containers.push((format!("docker_{}", container_name), container_status.to_string()));
+            }
        }

        containers
    }

-    /// Get docker images as sub-services using bollard API
-    async fn get_docker_images(&self) -> Vec<(String, String, f32)> {
+    /// Get docker images as sub-services
+    fn get_docker_images(&self) -> Vec<(String, String, f32)> {
        let mut images = Vec::new();
+        // Check if docker is available (cm-agent user is in docker group) with 3 second timeout
+        let output = Command::new("timeout")
+            .args(&["3", "docker", "images", "--format", "{{.Repository}}:{{.Tag}},{{.Size}}"])
+            .output();

-        // Connect to Docker daemon
-        let docker = match Docker::connect_with_local_defaults() {
-            Ok(d) => d,
-            Err(e) => {
-                debug!("Failed to connect to Docker daemon: {}", e);
+        let output = match output {
+            Ok(out) if out.status.success() => out,
+            Ok(_) => {
+                return images;
+            }
+            Err(_) => {
                return images;
            }
        };

-        // List all images
-        let image_list = match docker.list_images::<String>(None).await {
-            Ok(list) => list,
-            Err(e) => {
-                debug!("Failed to list Docker images: {}", e);
-                return images;
-            }
+        let output_str = match String::from_utf8(output.stdout) {
+            Ok(s) => s,
+            Err(_) => return images,
        };

-        for image in image_list {
-            // Get image name from repo tags
-            let image_names: Vec<String> = image.repo_tags
-                .into_iter()
-                .filter(|tag| !tag.contains("<none>"))
-                .collect();
-
-            if image_names.is_empty() {
-                continue; // Skip untagged images
+        for line in output_str.lines() {
+            if line.trim().is_empty() {
+                continue;
            }

-            // Get size in MB
-            let size_mb = image.size as f32 / (1024.0 * 1024.0);
+            let parts: Vec<&str> = line.split(',').collect();
+            if parts.len() >= 2 {
+                let image_name = parts[0].trim();
+                let size_str = parts[1].trim();
+
+                // Skip <none>:<none> images (dangling images)
+                if image_name.contains("<none>") {
+                    continue;
+                }
+
+                // Parse size to MB (sizes come as "142MB", "1.5GB", "512kB", etc.)
+                let size_mb = self.parse_docker_size(size_str);

-            for image_name in image_names {
                images.push((
-                    image_name,
+                    image_name.to_string(),
                    "inactive".to_string(), // Images are informational - use inactive for neutral display
                    size_mb
                ));
@@ -851,6 +771,34 @@ impl SystemdCollector {

        images
    }
+
+    /// Parse Docker size string to MB
+    fn parse_docker_size(&self, size_str: &str) -> f32 {
+        let size_upper = size_str.to_uppercase();
+
+        // Extract numeric part and unit
+        let mut num_str = String::new();
+        let mut unit = String::new();
+
+        for ch in size_upper.chars() {
+            if ch.is_ascii_digit() || ch == '.' {
+                num_str.push(ch);
+            } else if ch.is_alphabetic() {
+                unit.push(ch);
+            }
+        }
+
+        let value: f32 = num_str.parse().unwrap_or(0.0);
+
+        // Convert to MB
+        match unit.as_str() {
+            "KB" | "K" => value / 1024.0,
+            "MB" | "M" => value,
+            "GB" | "G" => value * 1024.0,
+            "TB" | "T" => value * 1024.0 * 1024.0,
+            _ => value, // Assume bytes if no unit
+        }
+    }
 }

 #[async_trait]
--- a/dashboard/Cargo.toml
+++ b/dashboard/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.198"
+version = "0.1.205"
 edition = "2021"

 [dependencies]
--- a/dashboard/src/ui/widgets/services.rs
+++ b/dashboard/src/ui/widgets/services.rs
@@ -28,8 +28,6 @@ pub struct ServicesWidget {

 #[derive(Clone)]
 struct ServiceInfo {
-    memory_mb: Option<f32>,
-    disk_gb: Option<f32>,
    metrics: Vec<(String, f32, Option<String>)>, // (label, value, unit)
    widget_status: Status,
    service_type: String, // "nginx_site", "container", "image", or empty for parent services
@@ -52,8 +50,6 @@ impl ServicesWidget {
        if metric_name.starts_with("service_") {
            if let Some(end_pos) = metric_name
                .rfind("_status")
-                .or_else(|| metric_name.rfind("_memory_mb"))
-                .or_else(|| metric_name.rfind("_disk_gb"))
                .or_else(|| metric_name.rfind("_latency_ms"))
            {
                let service_part = &metric_name[8..end_pos]; // Remove "service_" prefix
@@ -76,36 +72,8 @@ impl ServicesWidget {
        None
    }

-    /// Format disk size with appropriate units (kB/MB/GB)
-    fn format_disk_size(size_gb: f32) -> String {
-        let size_mb = size_gb * 1024.0; // Convert GB to MB
-
-        if size_mb >= 1024.0 {
-            // Show as GB
-            format!("{:.1}GB", size_gb)
-        } else if size_mb >= 1.0 {
-            // Show as MB
-            format!("{:.0}MB", size_mb)
-        } else if size_mb >= 0.001 {
-            // Convert to kB
-            let size_kb = size_mb * 1024.0;
-            format!("{:.0}kB", size_kb)
-        } else {
-            // Show very small sizes as bytes
-            let size_bytes = size_mb * 1024.0 * 1024.0;
-            format!("{:.0}B", size_bytes)
-        }
-    }
-
    /// Format parent service line - returns text without icon for span formatting
    fn format_parent_service_line(&self, name: &str, info: &ServiceInfo) -> String {
-        let memory_str = info
-            .memory_mb
-            .map_or("0M".to_string(), |m| format!("{:.0}M", m));
-        let disk_str = info
-            .disk_gb
-            .map_or("0".to_string(), |d| Self::format_disk_size(d));
-
        // Truncate long service names to fit layout (account for icon space)
        let short_name = if name.len() > 22 {
            format!("{}...", &name[..19])
@@ -125,8 +93,8 @@ impl ServicesWidget {
        };

        format!(
-            "{:<23} {:<10} {:<8} {:<8}",
-            short_name, status_str, memory_str, disk_str
+            "{:<23} {:<10}",
+            short_name, status_str
        )
    }

@@ -309,8 +277,6 @@ impl Widget for ServicesWidget {
        for service in &agent_data.services {
            // Store parent service
            let parent_info = ServiceInfo {
-                memory_mb: Some(service.memory_mb),
-                disk_gb: Some(service.disk_gb),
                metrics: Vec::new(), // Parent services don't have custom metrics
                widget_status: service.service_status,
                service_type: String::new(), // Parent services have no type
@@ -327,8 +293,6 @@ impl Widget for ServicesWidget {
                        .collect();

                    let sub_info = ServiceInfo {
-                        memory_mb: None, // Not used for sub-services
-                        disk_gb: None,   // Not used for sub-services
                        metrics,
                        widget_status: sub_service.service_status,
                        service_type: sub_service.service_type.clone(),
@@ -371,8 +335,6 @@ impl ServicesWidget {
                            self.parent_services
                                .entry(parent_service)
                                .or_insert(ServiceInfo {
-                                    memory_mb: None,
-                                    disk_gb: None,
                                    metrics: Vec::new(),
                                    widget_status: Status::Unknown,
                                    service_type: String::new(),
@@ -380,14 +342,6 @@ impl ServicesWidget {

                        if metric.name.ends_with("_status") {
                            service_info.widget_status = metric.status;
-                        } else if metric.name.ends_with("_memory_mb") {
-                            if let Some(memory) = metric.value.as_f32() {
-                                service_info.memory_mb = Some(memory);
-                            }
-                        } else if metric.name.ends_with("_disk_gb") {
-                            if let Some(disk) = metric.value.as_f32() {
-                                service_info.disk_gb = Some(disk);
-                            }
                        }
                    }
                    Some(sub_name) => {
@@ -407,8 +361,6 @@ impl ServicesWidget {
                            sub_service_list.push((
                                sub_name.clone(),
                                ServiceInfo {
-                                    memory_mb: None,
-                                    disk_gb: None,
                                    metrics: Vec::new(),
                                    widget_status: Status::Unknown,
                                    service_type: String::new(), // Unknown type in legacy path
@@ -419,14 +371,6 @@ impl ServicesWidget {

                        if metric.name.ends_with("_status") {
                            sub_service_info.widget_status = metric.status;
-                        } else if metric.name.ends_with("_memory_mb") {
-                            if let Some(memory) = metric.value.as_f32() {
-                                sub_service_info.memory_mb = Some(memory);
-                            }
-                        } else if metric.name.ends_with("_disk_gb") {
-                            if let Some(disk) = metric.value.as_f32() {
-                                sub_service_info.disk_gb = Some(disk);
-                            }
                        }
                    }
                }
@@ -485,8 +429,8 @@ impl ServicesWidget {

        // Header
        let header = format!(
-            "{:<25} {:<10} {:<8} {:<8}",
-            "Service:", "Status:", "RAM:", "Disk:"
+            "{:<25} {:<10}",
+            "Service:", "Status:"
        );
        let header_para = Paragraph::new(header).style(Typography::muted());
        frame.render_widget(header_para, content_chunks[0]);
--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.198"
+version = "0.1.205"
 edition = "2021"

 [dependencies]
--- a/shared/src/agent_data.rs
+++ b/shared/src/agent_data.rs
@@ -136,8 +136,6 @@ pub struct PoolDriveData {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ServiceData {
    pub name: String,
-    pub memory_mb: f32,
-    pub disk_gb: f32,
    pub user_stopped: bool,
    pub service_status: Status,
    pub sub_services: Vec<SubServiceData>,
Author	SHA1	Message	Date
Christoffer Martinsson	c3c9507a42	Bump version to v0.1.205 All checks were successful Build and Release / build-and-release (push) Successful in 1m22s Details	2025-11-28 22:37:28 +01:00
Christoffer Martinsson	4d77ffe17e	Remove RAM and Disk columns from services widget header Changed header from 4 columns to 2 columns: - Before: Service, Status, RAM, Disk - After: Service, Status Matches the removal of memory_mb and disk_gb fields.	2025-11-28 22:37:14 +01:00
Christoffer Martinsson	14f74b4cac	Bump version to v0.1.204 All checks were successful Build and Release / build-and-release (push) Successful in 1m20s Details	2025-11-28 14:33:19 +01:00
Christoffer Martinsson	67b686f8c7	Remove RAM and disk collection for services Complete removal of service resource metrics: Agent: - Remove memory_mb and disk_gb fields from ServiceData struct - Remove get_service_memory_usage() method - Remove get_service_disk_usage() method - Remove get_directory_size() method - Remove unused warn import Dashboard: - Remove memory_mb and disk_gb from ServiceInfo struct - Remove memory/disk display from format_parent_service_line - Remove memory/disk parsing in legacy metric path - Remove unused format_disk_size() function Service resource metrics were slow, unreliable, and never worked properly since structured data migration. Will be handled differently in the future.	2025-11-28 14:25:12 +01:00
Christoffer Martinsson	e3996fdb84	Fix compilation errors from command receiver removal All checks were successful Build and Release / build-and-release (push) Successful in 1m8s Details - Remove AgentCommand import from agent.rs - Remove handle_commands() method - Remove command handling from main loop - Remove command_port validation checks	2025-11-28 13:01:36 +01:00
Christoffer Martinsson	f94ca60e69	Bump version to v0.1.203 Some checks failed Build and Release / build-and-release (push) Failing after 1m36s Details	2025-11-28 12:53:56 +01:00
Christoffer Martinsson	c19ff56df8	Remove unused ZMQ command receiver (port 6131) Service control migrated to SSH, command receiver no longer needed. - Remove command_receiver Socket from ZmqHandler - Remove try_receive_command method - Remove AgentCommand enum - Remove command_port from ZmqConfig	2025-11-28 12:52:43 +01:00
Christoffer Martinsson	fe2f604703	Bump version to v0.1.202 All checks were successful Build and Release / build-and-release (push) Successful in 1m8s Details	2025-11-28 12:45:25 +01:00
Christoffer Martinsson	8bfd416327	Revert to v0.1.192 - fix agent hang issue Some checks failed Build and Release / build-and-release (push) Failing after 1m8s Details	2025-11-28 12:42:24 +01:00
Christoffer Martinsson	85c6c624fb	Revert D-Bus usage, use systemctl commands only All checks were successful Build and Release / build-and-release (push) Successful in 1m20s Details - Remove zbus dependency from agent - Replace D-Bus Connection calls with systemctl show commands - Fix agent hang by eliminating blocking D-Bus operations - get_unit_property now uses systemctl show with property flags - Memory, disk usage, and nginx config queries use systemctl - Simpler, more reliable service monitoring	2025-11-28 12:15:04 +01:00
Christoffer Martinsson	eab3f17428	Fix agent hang by reverting service discovery to systemctl All checks were successful Build and Release / build-and-release (push) Successful in 1m31s Details The D-Bus ListUnits call in discover_services_internal() was causing the agent to hang on startup. Root cause: - D-Bus ListUnits call with complex tuple destructuring hung indefinitely - Agent never completed first collection cycle - No collector output in logs Fix: - Revert discover_services_internal() to use systemctl list-units/list-unit-files - Keep D-Bus-based property queries (WorkingDirectory, MemoryCurrent, ExecStart) - Hybrid approach: systemctl for discovery, D-Bus for individual queries External commands still used: - systemctl list-units, list-unit-files (service discovery) - smartctl (SMART data) - sudo du (directory sizes) - nginx -T (config fallback) Version bump: 0.1.198 → 0.1.199	2025-11-28 11:57:31 +01:00