Run grep "set -eu" scripts/deploy.sh.
grep "set -eu" scripts/deploy.sh
Mission 256
Set eu review
Recognize strict-mode style script guards.
Shell scriptinggrepcatsha256sum
Lesson 256 of 360
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Shell scripting · 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.
Run cat scripts/deploy.sh.
cat scripts/deploy.sh
Run sha256sum scripts/deploy.sh.
sha256sum scripts/deploy.sh
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Lesson support
What to notice while you play.
Recognize strict-mode style script guards.
Run the commands in order and compare the outputs.
Junior operators build confidence by gathering evidence before changing systems.
- Skipping the inspection step.
- Assuming one command tells the whole story.
Reference
Commands in this lesson.
cat <file>
Print text file contents.
grep [-i] <text> <file>
Find literal text inside a file.
sha256sum <file>
Print a deterministic training checksum.