20 DNF Commands Every Linux Administrator Should Know
Most people treat dnf as a drop-in replacement for yum and stop there. But that misses…
View and Manage Files using head, tail and cat Commands in Linux
Most sysadmins only use cat to dump a file and tail -f to watch logs. That…
MakerSkills: Add AI Agent Skills to Claude Code on Linux
makerskills is an open-source pack of AI agent skills for Claude Code. This walkthrough covers how…
VCF – Workload Domain Stuck Deleting After Reimaging Hosts
August 10, 2026 VCF – Workload Domain Stuck Deleting After Reimaging Hosts VCF Workload Domain Stuck…
CrowdStrike Threat Hunts for Shell Command Obfuscation on VMware ESX
Using CrowdStrike Falcon® Next-Gen SIEM, these patterns can be deployed as correlation rules across ESX shell…
Inside Astaroth’s New Spambot Component
Session Creation The Chromium command line includes several capabilities designed to suppress automation indicators, such as:…
11 Best IP Address Management (IPAM) Tools for Linux in 2026
Most sysadmins don’t realize there’s an IP conflict until something goes offline. That’s where IP address…
Install codebase-memory-mcp for Faster AI Coding
If your AI coding agent keeps reading the same files every time you ask a question,…
How to Downgrade and Lock Packages With dnf in RHEL Systems
You ran dnf update, and now something has stopped working. Instead of spending hours troubleshooting, you…
5 Ways to Check Remote Port Connectivity in Linux
You’ve just deployed a service, opened a firewall rule, or configured a reverse proxy, and now…
10 Linux Download Managers That Actually Work in 2026
One thing many people miss after switching from Windows to Linux is a good download manager….
Upgrade Ubuntu 24.04 to Ubuntu 26.04 LTS
Ubuntu 26.04 LTS “Resolute Raccoon” shipped on April 23, 2026, and if you’re still on 24.04,…
Disrupting Glassworm: Inside CrowdStrike’s Takedown of a Developer-Targeting Botnet
This case demonstrates: rule CrowdStrike_GlasswormRat_01 : glassworm glasswormrat { meta: copyright = “(c) 2026 CrowdStrike Inc.”…
How to Stop a Process Blocking a Port in Linux
You’ve got a server refusing to start because something’s already sitting on port 8080, and you…
SSH Dropped and Killed Your Job? Here’s the Fix
You’ve been running a long rsync job or a Python script on a remote server only…