Linux
How To Configure UFW Firewall on Ubuntu 26.04 LTS
A fresh Ubuntu 26.04 server accepts connections on every open port by default. That is fine on a…
Category
Linux
AI
Claude Code Cheat Sheet – Commands, Shortcuts, Tips
Claude Code is Anthropic’s AI-powered CLI tool that reads your codebase, edits files, runs commands, and manages git…
Debian
Install sudo-rs: Memory-Safe sudo for Linux
Every Linux system has sudo. It’s the single binary standing between your unprivileged user account and full root…
How To
How to Upgrade Ubuntu 22.04 to 24.04 LTS (In-Place, Tested)
Ubuntu 22.04 LTS still has security support until April 2027, but Noble Numbat (24.04) ships enough improvements to…
How To
Install Kali Linux Purple for Defensive Security
Kali Purple is an installer variant of Kali Linux built specifically for Blue Team and Purple Team operations.…
How To
Upgrade Kali Linux to the Latest Version
Kali Linux is a rolling release, which means you can upgrade to the latest version at any time…
How To
Install XAMPP on Debian 13 / 12
XAMPP bundles Apache, MariaDB, PHP, and Perl into a single installer that gets a local development stack running…
How To
Install XAMPP on Ubuntu 24.04 / 22.04 (All PHP Editions)
XAMPP bundles Apache, MariaDB, PHP, phpMyAdmin, and Perl into a single installer that gets a full local web…
Backup
Clonezilla Disk Cloning and Imaging: Complete Guide for Linux
Clonezilla copies disks. That is the entire pitch. It reads only the used blocks on a partition, compresses…
Linux
Btrfs Snapshots with Snapper: Automatic System Rollback on Fedora and openSUSE
A bad dnf update can leave your Fedora system in a state where packages conflict, services refuse to…
Linux
Ubuntu 26.04 LTS (Resolute Raccoon): New Features, Changes, and What to Know
Ubuntu 26.04 LTS, codenamed Resolute Raccoon, lands on April 23, 2026. This is a long-term support release with…
Automation
Set Up Real-Time File Sync with Rsync and Lsyncd on Linux
Keeping files synchronized across multiple servers is one of those tasks that sounds simple until you need it…