Permissions & Ownership

Linux

chmod, chown, umask, SUID/SGID, sticky bit, ACLs.

#Linux#Permissions

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Linux Fundamentals

Shell basics, filesystem hierarchy, processes and services.

Bash Scripting

Loops, conditionals, functions and automation patterns.

System Hardening

SSH hardening, auditd, firewalls, service minimisation.

Log Analysis

journalctl, auth logs, grep/awk triage workflows.

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