Run grep PasswordAuthentication /etc/ssh/sshd_config.
grep PasswordAuthentication /etc/ssh/sshd_config
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Security administration · 7 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
7 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run grep PermitRootLogin /etc/ssh/sshd_config.
grep PermitRootLogin /etc/ssh/sshd_config
Run grep PubkeyAuthentication /etc/ssh/sshd_config.
grep PubkeyAuthentication /etc/ssh/sshd_config
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Lesson support
What to notice while you play.
Search for password, root, and key authentication settings.
Use grep against /etc/ssh/sshd_config.
SSH is one of the most important admin entry points.
- Checking only root login.
- Ignoring key authentication policy.
Reference
Commands in this lesson.
grep [-i] <text> <file>
Find literal text inside a file.