Week 1

Users, Permissions, Processes

Services, Logs, Environment

SSH

DNS and TLS

CIDR and Subnets

Practice

Assignment

Cloud Track

Under construction

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Implementation plan:

• Why Linux matters for cloud engineers — dominance in server environments
• Recap of CLI basics from the core program (cd, ls, cat, etc.)
• Users and groups: whoami, id, groups, /etc/passwd
• File permissions: owner/group/other, read/write/execute
• chmod (symbolic and numeric), chown, chgrp
• Viewing running processes: ps, top, htop
• Managing processes: kill, kill -9, background/foreground (&, fg, bg)
• Practice: create a user, set file permissions, find and kill a process

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