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🐧 Linux Notes for DevOps

Practical notes (no extra theory) to operate servers and improve troubleshooting in Cloud environments.

5
Posts
~45 min
Total read
Hands-on
Approach
Linux Basics
Core commands: navigation, files, and daily flow for EC2.
Beginner Terminal EC2
Permissions & Ownership
chmod, chown, groups and common mistakes that break access.
Beginner Security chmod/chown
SSH for DevOps
Keys, agents, scp/rsync and real patterns to operate instances.
Beginner Remote Keys
Bash Scripting
Small scripts that automate tasks and reduce human error.
Beginner Automation Shell
Linux Networking
Troubleshooting checklist: network, ports, DNS and connectivity.
Beginner Troubleshooting DNS