Step-by-step playbooks for when things go sideways. Interactive checklists with copy-paste commands.
Identify and resolve processes causing high CPU utilization on Linux. Covers real-time monitoring, runaway process detection, and safe mitigation options.
Fix a target stuck in `DOWN` on Prometheus's /targets page. Covers network reachability, /metrics format, relabeling mistakes, TLS/auth, and scrape timing.