Скачать или смотреть Essential Linux Admin Skills - Part 5: Monitoring, Logs & Terminal Tricks Every Admin Must Know

🖥️ Linux System Administration Part 5 - The Ultimate Monitoring Guide

🔍 Coverage Breakdown:
✔ Process Management
Job control (`Ctrl+Z`, `jobs`, `bg`, `fg`)
Persistent processes (`nohup`, `disown`)
Priority tuning (`nice`, `renice`)
✔ System Monitoring
Disk (`df -h`), RAM (`free -m`), CPU (`iostat`)
Network (`ss -tulnp` vs `netstat`)
Hardware info (`dmidecode`, `/proc/cpuinfo`)
✔ Log Investigation
Key log files (`/var/log/{boot,secure,messages}`)
Real-time monitoring (`tail -f`)
✔ System Control
Shutdown vs reboot vs halt
Runlevels (`init 3` vs `init 5`)
✔ Terminal Mastery
Control keys (`Ctrl+C`, `Ctrl+U`, `Ctrl+L`)
Session recording (`script` command)

💻 Try These Commands:
```bash
Monitor disk I/O in real-time
iostat -dx 2
Find high-priority processes
ps -eo pid,ni,cmd | sort -n -k 2 | tail
Record terminal session
script -a admin_session.log

📌 Pro Tip: Use journalctl -f for modern systemd log monitoring!

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