Linux troubleshooting · Challenge 02

Follow the evidence.
Find the root cause.

A production Linux server restarted after an unexpected crash. Investigate the previous boot, identify the failure chain, and submit a defensible root-cause analysis.

INC-0816 · prod-web-01 · unexpected restart
4objectives
15minute target
100points
Incident session setup

Linux Server Crash RCA

Enter your name exactly as it should appear on your certificate.

Your lab runs entirely in this browser. No account is required.

Incident response assessment

Linux Server Crash Root-Cause Analysis

TIME00:00
SCORE0/100
prod-web-01 — incident shell
ONLINE AFTER RESTART

RCW Linux Incident Response Environment

Investigate the previous boot. Enter help for available commands.
Root cause confirmed

Excellent investigation, Learner!

You followed the previous-boot evidence and identified the failure chain: a memory leak in rcw-backup.service exhausted RAM, triggered the OOM path, and caused a kernel panic followed by an automatic reboot.

Final score
100/ 100
PERFECT SCORE

Root cause correctly identified

Objectives
4 / 4
Completion time
00:00
Commands entered
4
Your achievement

Certificate ready

PDF

Issued by RCW IT Training and signed by Pradeep Raju.

🎖️ View your Skill Passport