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Labs / Linux log triage

The hardening change that took the shop down

A TLS hardening change went out at 06:00 and the shop has returned errors since. Read the nginx unit’s journal to find the broken file, the line, and the bad directive.

  • Terminal mission
  • Beginner
  • 3 objectives
  • 0 of 3 solved

Briefing

At 06:00 a configuration-management run pushed a TLS hardening snippet to shop-01. Since then the load balancer marks the host as down.

journalctl -u nginx shows both nginx’s own errors and what systemd did with the unit.

analyst@shop-01

shop-01 · Linux log triage

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