15 Linux Troubleshooting Commands Every Home Lab Admin Should Know

VirtualizationHowto · Intermediate ·🛡️ AI Safety & Ethics ·3mo ago
Linux troubleshooting is one of the most valuable skills you can build for a home lab, especially as you start running Proxmox, Kubernetes, Docker containers, and self hosted services. In this video I walk through the core commands you can use to diagnose issues quickly. This includes reading system logs and checking service health to spotting resource bottlenecks. Also, tracking down storage problems, and seeing kernel level errors. If you're trying to figure out why a container crashed, why a disk vanished, why a service won’t start, or why your cluster is running slowly, this walkthrough gi…
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Chapters (12)

Intro: Why Linux troubleshooting matters in the home lab
1:18 journalctl: Reading system logs
2:29 systemctl: Understanding and fixing service issues
3:24 top, htop, btop: Checking resource usage
4:31 dmesg: Kernel and hardware troubleshooting
5:28 lsblk: Identifying storage devices
6:23 df -h: Finding disk usage problems
7:12 du -sh: Tracking down large folders
8:15 free -h: Understanding memory pressure
8:56 ss: Network and port troubleshooting
9:33 ps and kill: Managing processes
10:23 nginx -t: Validat
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