process-manager

# Process Manager Monitor and manage system processes. ## List processes - All: `ps aux` - By CPU: `ps aux --sort=-%cpu | head -15` - By memory: `ps aux --sort=-%mem | head -15` - By name: `pgrep -af "<name>"` - Tree: `pstree -p | head -40` ## Manage processes - Kill by PID: `kill <pid>` - Force kill: `kill -9 <pid>` - Kill by name: `pkill <name>` - Kill by port: `fuser -k <port>/tcp` ## Monitor - Find by port: `ss -tlnp | grep <port>` - Open files: `lsof -p <pid> | head -20` - File descriptors: `ls /proc/<pid>/fd | wc -l` - Watch in real-time: `top -bn1 | head -20` ## Services (systemd) - Status: `systemctl status <service>` - Start/stop: `systemctl start|stop|restart <service>` - Logs: `journalctl -u <service> --no-pager -n 30` - List running: `systemctl list-units --type=service --state=running`