Run systemctl status nginx.
systemctl status nginx
Mission 359
Capstone multi-signal outage
Correlate service, config, journal, listener, and capacity evidence for an outage.
Capstone labssystemctlnginxjournalctlssdf
Lesson 359 of 360
0/360 lessons
0/17 missions
Capstone labs · 8 minutes
New learnerrank
0XP
0%complete
learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
8 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run nginx -t.
nginx -t
Run journalctl -u nginx -n 2.
journalctl -u nginx -n 2
Run ss -tulpn.
ss -tulpn
Run df -h.
df -h
Save progress
Keep learning across sessions.
Create a free account to sync completed lessons, XP, streaks, course status, and your next lesson across sessions.
Checking account status...
Progress sync is idle.
0XP
New learnerrank
0day streak
0best streak
0daily streak
0lessons
0courses
0missions
0tasks
Noverified
Progress sync stores completion IDs, scores, streaks, badges, and game settings. Terminal contents, editor snippets, lab scratch, email, and real names are never published on leaderboards or share cards.
Lesson support
What to notice while you play.
Build repeatable confidence with running an end-to-end outage investigation.
Start with systemctl status nginx, inspect the result, then continue in order.
Running an end-to-end outage investigation helps operators explain what they know before they change anything.
- Skipping the output that proves running an end-to-end outage investigation.
- Changing several things before recording a baseline.
Reference
Commands in this lesson.
systemctl status <service>
Inspect simulated service status.
journalctl -u <service>
Read simulated service journal entries.
nginx -t
Validate training nginx configuration.
ss|ip
Inspect simulated sockets and addresses.
ssh|scp|ssh-keygen
Practice SSH inspection and dry-run transfer shapes without network access.
df|du|free|uptime
Inspect training resource and system health.