Tutorials

A complete walkthrough of downloading, creating a bootable USB, and installing Ubuntu on your PC.

Don't fear the terminal! Learn ls, cd, pwd, cp, mv, rm, cat and man — the essential commands every Linux user needs.

Learn what /home, /etc, /var, /usr and /tmp are for. A clear map of the Linux directory tree in simple terms.

Master apt install, apt update, apt upgrade and apt remove. Understand how to safely add third-party repositories.

Official Linux Mint user guide covering the desktop, software manager, system settings and everyday tasks.

Free, comprehensive book covering Debian from installation to advanced administration. Available online in full.

Automate repetitive tasks with shell scripts. Variables, loops, conditionals, functions and cron jobs.

Set up SSH keys, configure sshd, use ssh-copy-id and safely tunnel traffic. Access your machines from anywhere.

Install Apache, MySQL (MariaDB) and PHP on Ubuntu. Host your own web applications and databases from scratch.

Understand chmod, chown, groups, sudo and ACLs. Keep your system secure by properly managing user access.

Configure the Uncomplicated Firewall on Ubuntu. Allow/deny ports, manage rules and secure your server.

Schedule scripts and commands to run automatically using crontab. Backup, cleanup and maintenance made easy.

Install Docker, write Dockerfiles, use docker-compose and understand namespaces and cgroups.

Official step-by-step Arch install: partitioning, base system, bootloader, networking and desktop environment.

Download the kernel source, configure with menuconfig, compile and boot into your own kernel.

Configure Nginx server blocks to host multiple websites on a single Linux server. Includes SSL setup.