Linux Administration

System administration, shell scripting, services and server management on Linux

29 articles

Linux Kernel Panic: Every Message Decoded and How to Fix It

What every common Linux kernel panic message means, decoded from the kernel source, with fixes for Ubuntu, Debian, Fedora, Arch, NixOS and Omarchy.

Noctalia Shell: Complete Guide, Installation and Configuration

Noctalia is a desktop shell for Wayland that just went through one…

Caelestia Shell: Complete Guide, Installation and Configuration

Caelestia Shell is a Quickshell-based desktop shell for Hyprland that replaces Waybar,…

SlackBuilds: Installing Software on Slackware (2026)

✅ Covers Slackware 15.0 package management · Last updated: September 2026 Slackware…

Timeshift: How to Back Up and Restore Your Linux System

Tested on: Ubuntu 26.04 LTS · Linux Mint 22 · Fedora 44…

How to Install Node.js on Linux with nvm

Tested on: Ubuntu 26.04, Fedora 44, Arch Linux · June 2026 There…

UFW Firewall: Complete Linux Guide

Tested on: Ubuntu 26.04 LTS · Debian 12 · Linux Mint 22…

Linux Swap: Create Swapfile, Swap Partition, zram and zswap

✅ Tested on Ubuntu 26.04 LTS, Debian 12, and Arch Linux ·…

Fail2ban: Protect SSH from Brute Force Attacks on Linux

Tested on: Ubuntu 26.04 LTS · Debian 12 · Rocky Linux 10…

Linux Network Configuration: ip, nmcli, and Netplan Guide

✅ Tested on Ubuntu 26.04 LTS, Debian 12, and RHEL 9 ·…