Linux & service basics: logs, systemd/PM2, permissions, Nginx reverse proxy, DNS checks
PURPOSE Diagnoses common Linux service issues using logs, systemd/PM2, file permissions, Nginx reverse proxy checks, and DNS sanity checks.
Success = service runs, listens on expected port, and reverse proxy/DNS path is correct.
Diagnoses common Linux service issues using logs, systemd/PM2, file permissions, Nginx reverse proxy checks, and DNS sanity checks. Use when a server app is failing, unreachable, or misconfigured. Source: aaaaqwq/claude-code-skills.