diff --git a/agent/src/agent.rs b/agent/src/agent.rs
index ec73349..baba1e4 100644
--- a/agent/src/agent.rs
+++ b/agent/src/agent.rs
@@ -296,9 +296,15 @@ impl Agent {
         // Clone or update repository
         let git_result = self.ensure_git_repository(git_url, git_branch, working_dir, api_key_file).await;
         
-        // Execute nixos-rebuild if git operation succeeded - run detached to avoid killing current agent
+        // Execute nixos-rebuild if git operation succeeded - run detached but log output
         let rebuild_result = if git_result.is_ok() {
             info!("Git repository ready, executing nixos-rebuild in detached mode");
+            let log_file = std::fs::OpenOptions::new()
+                .create(true)
+                .append(true)
+                .open("/var/log/cm-dashboard/nixos-rebuild.log")
+                .map_err(|e| anyhow::anyhow!("Failed to open rebuild log: {}", e))?;
+            
             tokio::process::Command::new("nohup")
                 .arg("sudo")
                 .arg("/run/current-system/sw/bin/nixos-rebuild")
@@ -310,8 +316,8 @@ impl Agent {
                 .arg(".")
                 .current_dir(working_dir)
                 .stdin(std::process::Stdio::null())
-                .stdout(std::process::Stdio::null())
-                .stderr(std::process::Stdio::null())
+                .stdout(std::process::Stdio::from(log_file.try_clone().unwrap()))
+                .stderr(std::process::Stdio::from(log_file))
                 .spawn()
         } else {
             return git_result.and_then(|_| unreachable!());