Security Basics for Linux

Linux User Permissions and Access Control

Security is a top priority in Linux. Understand how to secure your system with file permissions and sudo privileges.

Using Sudo for Admin Privileges

Sudo allows users to execute commands with superuser (root) privileges. It’s crucial for maintaining system security.

Introduction to Firewalls and Security Tools

Linux offers robust security tools like ufw (Uncomplicated Firewall) and fail2ban for protecting your system.