Mission 283

Incident bad deploy

Compare configs and hash scripts during deploy triage.

Troubleshooting
8 minutes Advanced Lesson 283 of 360
diffsha256sumnginx
Lesson 283 of 360 0/360 lessons 0/17 missions Troubleshooting · 8 minutes
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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.

Compare configs

Run diff data/config-a.conf data/config-b.conf.

diff data/config-a.conf data/config-b.conf
Hash deploy

Run sha256sum scripts/deploy.sh.

sha256sum scripts/deploy.sh
Validate nginx

Run nginx -t.

nginx -t
Lesson support

What to notice while you play.

Objective

Compare configs and hash scripts during deploy triage.

Hint

Run the commands in order and compare the outputs.

Why it matters

Junior operators build confidence by gathering evidence before changing systems.

Common mistakes
  • Skipping the inspection step.
  • Assuming one command tells the whole story.
Reference

Commands in this lesson.

diff <left> <right>

Compare two lab text files.

sha256sum <file>

Print a deterministic training checksum.

nginx -t

Validate training nginx configuration.