Category
Category: Linux
Tutorials and sysadmin guides for Linux distributions including Ubuntu, RHEL, Debian, CentOS, and Rocky Linux. Covers system administration, shell scripting, and server management.
-
authd in Ubuntu 26.04: Why Cloud Login on Linux Suddenly Matters
Ubuntu 26.04 establishes authd as the supported framework for cloud authentication on Ubuntu. That matters because Linux desktops and servers have lagged cloud identity expectations for years. Read the guide
-
Ubuntu Core Desktop in 2026: Why Canonical Keeps Building Toward It
Canonical’s Ubuntu 26.04 desktop roadmap explicitly says the cycle lays groundwork for Ubuntu Core Desktop. Here is what that really means, where it fits, and why the company… Read the guide
-
CrackArmor and AppArmor Fixes: What Ubuntu Admins Should Check
Canonical published its AppArmor vulnerability guidance on March 12, 2026. The practical message is simple: install both kernel and userspace updates, then verify your confinement story instead of… Read the guide
-
eBPF Security Policies on Linux: Dynamic Kernel Security Without Recompiles
TL;DR New to Linux kernel security? Start with the What Is eBPF? section below, then jump to Getting Started for hands-on steps. Topic When to Use Key Tool… Read the guide
-
Real-time Ubuntu Is Free in 26.04: Who Should Actually Use It?
Canonical now says the real-time kernel is freely available from Ubuntu 26.04 onwards. That changes access, not the fact that most Linux users still do not need a… Read the guide
-
Pop!_OS 24.04 LTS Upgrade: Should You Jump to COSMIC?
System76 shipped the Pop!_OS 24.04 LTS upgrade on March 3, 2026. The real question is not whether COSMIC is interesting. It is whether you want your desktop to… Read the guide
-
Rust Coreutils and sudo-rs on Ubuntu 26.04: Will You Notice the Difference?
Ubuntu 26.04 LTS pushes Rust deeper into the default system path with rust-coreutils and sudo-rs. Here is where admins might notice, where they probably will not, and how… Read the guide
-
COSMIC Desktop in 2026: Hype, Reality and Who It Is For
System76’s COSMIC is now a real desktop story in 2026, especially since Pop!_OS 24.04 LTS shipped with it on March 3. Here is where the hype ends and… Read the guide
-
Post-Quantum SSH on Ubuntu 26.04: What It Means in Practice
Ubuntu 26.04 LTS makes hybrid post-quantum SSH key exchange available by default. Here is what that really means, what it does not mean, and how to validate it… Read the guide
-
KDE and Wayland: Start Planning Before Plasma 6.8 Makes the Decision for You
KDE has already published the direction: Plasma 6.8 is planned to be Wayland-exclusive, with Plasma’s X11 session supported only into early 2027. Here is what that means in… Read the guide
