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Linux

Master Linux system administration from distributions to terminal commands and user management.

What's Covered​

This section provides comprehensive guides for working with Linux systems. Whether you're choosing your first distribution or managing users on a server, these guides cover the essentials you need to be productive.

Topics​

Linux Distributions Overview​

Understand different Linux distributions and choose the right one for your needs.

You'll learn:

  • Major distribution families (Debian, Red Hat, Arch)
  • Popular distros (Ubuntu, Fedora, Manjaro)
  • Package managers (APT, DNF, Pacman)
  • Desktop environments
  • Choosing the right distro for your use case

Read Distributions Guide →

Linux Terminal Basics​

Essential commands and concepts for working with the Linux command line.

You'll learn:

  • Navigation commands (cd, ls, pwd)
  • File operations (cp, mv, rm, mkdir)
  • File permissions and ownership
  • Process management
  • Text processing and pipes
  • Keyboard shortcuts and tips

Read Terminal Basics →

Linux User Management​

Manage users, groups, and permissions effectively.

You'll learn:

  • Creating and deleting users
  • Managing groups and permissions
  • Sudo access configuration
  • User security best practices
  • GUI and command-line tools
  • Understanding /etc/passwd and /etc/shadow

Read User Management →

Package Management​

Install, update, and manage software packages across different distributions.

You'll learn:

  • APT (Ubuntu/Debian) package management
  • DNF/YUM (Fedora/RHEL) package management
  • Universal packages (Snap, Flatpak)
  • Repository management
  • System maintenance and cleanup
  • Installing software from source

Read Package Management →

System Administration​

Master essential system administration tasks and monitoring.

You'll learn:

  • System information and monitoring
  • Process management and control
  • Service management with systemd
  • Network configuration and troubleshooting
  • File compression and archives
  • Text processing with grep, awk, sed
  • Environment variables
  • System logs and cron jobs

Read System Administration →

Why Learn Linux?​

Industry Standard​

  • Powers most web servers
  • ☁️ Dominates cloud infrastructure
  • Essential for DevOps and containers
  • Foundation of Android

Career Benefits​

  • High demand for Linux skills
  • Better job opportunities
  • Essential for DevOps roles
  • Opens doors to system administration

Technical Advantages​

  • 🆓 Free and open source
  • More secure than alternatives
  • Better performance
  • Full control over your system

Getting Started​

Complete Beginners​

  1. Distributions Guide - Choose your first Linux distro
  2. Terminal Basics - Learn essential commands
  3. User Management - Understand permissions

Transitioning from Windows​

  1. Try Ubuntu or Linux Mint (most Windows-like)
  2. Use a virtual machine or dual boot
  3. Practice terminal commands daily
  4. Gradually replace Windows workflows

System Administrators​

  1. User Management - Master user and group administration
  2. Terminal Basics - Advanced commands and automation
  3. Choose Ubuntu Server, Debian, or Rocky Linux

Learning Path​

Week 1: Try Linux distributions (Live USB)
  ↓
Week 2: Install Linux (VM or dual boot)
  ↓
Week 3: Master basic terminal commands
  ↓
Week 4: User management and permissions
  ↓
Beyond: Scripting, servers, DevOps

Next Steps​

After mastering Linux basics, explore:

  • Shell scripting (Bash automation)
  • Server administration
  • Docker and containerization
  • Kubernetes orchestration
  • CI/CD pipelines