30 articles
Ubuntu, Debian, Docker, system administration, partitioning, and server management.
That $60 box under the shelf is a Linux computer running firmware its maker abandoned on release day. Here's the safe 20-minute OpenWrt flash — right image, one upload, first login — plus the failsafe that keeps a bad flash from becoming a paperweight.
Phones and laptops can run blockers; your smart TV, console, and thermostat can't. Pi-hole blocks ads and trackers at the DNS level for the entire network — 10 minutes on any spare box, nothing to install on any device.
df -h says full, docker ps says three containers. Docker hoards every dead image, cache layer, and log — here are the five commands that reclaim your disk in minutes, plus the two settings that stop it happening again.
The clean, reliable way to change where Ubuntu stores your default user folders using XDG user directories system — no app hacks, just system-level configuration.
Step-by-step guide to manual partitioning during Ubuntu 20.04 installation. Covers UEFI + GPT layout, EFI System Partition, swap, root, and home partitions with recommended sizes.
The Docker repository is not added on your system. Ubuntu/Debian's default repos do not contain this package. Add Docker's official repo, update apt, and the install will work.
You can manually update the Snap Store on Ubuntu 20.04.6 by fully stopping its background processes and then running a targeted refresh. The key is that the Snap Store often runs silently in the background.
Here's the quickest, cleanest way to install Google Chrome on Ubuntu Desktop, using either the terminal or the GUI. Both methods work on Ubuntu 22.04, 24.04, and newer.
Use Docker's built-in logging commands to view, stream, and filter container output. Covers docker logs, live streaming, timestamps, tail, and the critical difference between logs -f and attach.
Practical fixes for the "No such file or directory" error on Linux. Covers typos, spaces, case sensitivity, absolute vs relative paths, permissions, and executable scripts.
Master keyboard shortcuts and command-line tools to exit, suspend, or terminate programs in Ubuntu Server. Covers Ctrl+C, Ctrl+Z, kill, pkill, and special exits for nano, vim, and more.
Use keyboard shortcuts or command-line commands to switch between the graphical desktop and text-only terminal (TTY) on Ubuntu.
Fix frozen GUIs or display issues by restarting your X server. Learn four methods: systemctl, service command, process kill, and keyboard shortcuts.
Format an SSD on Debian using ext4 via GParted (GUI) or the terminal. Covers partition tables, TRIM for SSD longevity, and automatic mounting with fstab.
Set or change the root password using sudo passwd root, lock the root account, and learn how to switch between user accounts with the su command.
The complete Debian update workflow using apt — from refreshing package lists to full-upgrade and cleanup. Covers update, upgrade, full-upgrade, autoremove, and when to reboot.
Create a persistent Debian Live USB that saves your files and settings across reboots. Covers downloading the right ISO, using Rufus on Windows, and configuring the persistence.conf file.
UFW (Uncomplicated Firewall) is the easiest way to lock down your Linux server. This guide covers enabling UFW, allowing only the ports you need, blocking everything else, and verifying your rules.
Default SSH settings are a security risk. This guide walks you through the essential hardening steps: disabling root login, using key-based auth, changing the default port, and more.
The official, clean way to install Docker Engine on Ubuntu. Covers adding the Docker apt repository, installing Docker Engine and Compose, post-install steps, and verifying everything works.
Understanding Docker networking is essential for running multi-container apps on Linux. This guide covers bridge networks, host mode, custom networks, container-to-container communication, and port mapping.
Container filesystems are ephemeral — when the container dies, the data dies with it. Docker volumes solve this. Learn how to create, mount, back up, and manage volumes for persistent data on Linux.
Turn any script, binary, or Docker container into a proper Linux service using systemd. Covers writing unit files, enabling services, viewing logs with journalctl, and auto-restart on failure.
Running out of disk space on a Linux server is a silent killer. Learn how to check disk usage, find what's consuming space, identify large files and directories, and clean up safely.
Docker Compose lets you define and run multi-container applications with a single YAML file. Learn how to write a compose.yml, manage services, handle logs, and use environment variables.
A complete, beginner-to-intermediate guide to setting up a Linux server on Ubuntu 25.04, hosting a static website with Nginx, and deploying a Node.js or Python web application — from a fresh VPS to a live domain with HTTPS.
A clear, command-line-first breakdown of how ln -s and mklink create links, what an inode actually is, why a hard link survives a rename but a symlink breaks, and which file auto-mounts disks at boot.
Zorin OS is the friendliest Linux for people switching from Windows or macOS. This complete guide covers every edition, the installer, the Zorin Appearance tool, software installation, gaming, and the tips and tricks that make you productive fast.
No dual-boot safety net, no Windows partition hiding in the background. I wiped my daily driver and went full Linux for a month. Here's everything that broke, everything that surprised me, and why I'm not going back.
Some commands feel like cheats the developers forgot to remove. These 10 terminal one-liners compress hours of work into seconds — file surgery, instant servers, time travel for your data, and the one command that saved my entire hard drive.
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