deveshIn the sandbox:
- ps aux | head -20 — what's running?
- df -h — how much disk is free?
- free -h (if available) or cat /proc/meminfo | head
- Find big dirs under /tmp: du -sh /tmp/* 2>/dev/null | sort -h | tail
Mark each checklist item when done.
// hands-on lab
Processes & disks
~20 min
Inspect running processes and filesystem free space — bread-and-butter SRE checks.
// checklist 0/3
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Bread-and-butter SRE checks: what is running, and is the disk OK?
Instant practice shell (simulated) — everything for this lab works here. Need the real thing? Open the full Linux VM ↗