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Ubuntu Guides

The most widely deployed desktop and server distribution: its package tooling, release cadence, LTS support model, and how it differs from its Debian base.

8 articles

How to Upgrade Ubuntu 24.04 LTS to 26.04 LTS Safely A step-by-step guide to upgrading Ubuntu 24.04 to 26.04 on desktops and servers: what to check first, how to handle PPAs and third-party repositories, running the upgrade over SSH, and what to do if it goes wrong. Rust Coreutils Explained: What uutils Changes on Ubuntu and What Still Differs From GNU Ubuntu now ships uutils, a Rust rewrite of ls, cp, cat and the rest of coreutils, in place of the GNU versions. What changed, why Canonical did it, where the two still behave differently, and how to switch back. Writing AppArmor Profiles Building a profile from scratch with aa-genprof, what complain mode is for, and why AppArmor confines paths while SELinux labels inodes. AppArmor Explained AppArmor is a mandatory access control system for Linux that confines programs to a limited set of resources using per-application profiles. This guide covers how AppArmor works, how to read and write profiles, and how to move from complain mode to enforce mode. APT Guide (Debian/Ubuntu) APT is the package manager for Debian, Ubuntu, and their derivatives. This guide covers everything from daily commands through repository management, pinning, held packages, and dpkg for when you need to go lower level. Ubuntu vs Fedora vs Debian Ubuntu, Fedora, and Debian are three of the most influential Linux distributions. Each makes different trade-offs around stability, freshness, and philosophy. This guide compares them directly so you can choose the right one. Which Linux Distro Should Beginners Choose? Choosing a Linux distribution as a beginner does not have to be overwhelming. This guide cuts through the noise and gives concrete recommendations based on what you need and what you already know. Best Linux Distros for Beginners in 2026 Six distributions worth recommending in 2026, ranked by how well they handle the three things that actually trip up new users: hardware support, software access, and staying out of the way.

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