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…
5 Google Docs Alternatives You Can Self-Host on Linux
Google Docs is probably one of the most widely used office suites in the world, but…
How to Host A Website for Free at Your Home Linux System
The term web server refers to both hardware and software, but for this guide we focus…
How to Stop Linux Processes from Using Excessive CPU and RAM
A process suddenly consuming 99% of your CPU at 2 AM can turn a stable server…
Create a Self-Signed SSL Certificate for Apache on Rocky Linux 10
A self-signed SSL certificate lets you run Apache over HTTPS on Rocky Linux 10 without buying…
Upgrade Rocky Linux 9 to Rocky Linux 10.1
In this article, we’ll show you how to move from Rocky Linux 9 to Rocky Linux…
Create a Self-Signed SSL Certificate for Apache on Ubuntu 26.04
A self-signed SSL certificate lets you run Apache over HTTPS on Ubuntu 26.04 without buying a…
witr: A Tool That Explains Why a Linux Process Is Running
ps aux shows you what is running on your system, but witr goes a step further…
How to Find Deleted Files Still Eating Disk Space
df says your disk is 80% full, but du says you’re barely using half, so one…
How to Recover Deleted Files in Linux Before They’re Gone
You deleted a log file mid-session, a running process is still writing to it, and ls…
How to Monitor Linux Performance with Sysstat Tools
Sysstat is a collection of performance monitoring utilities for Linux that includes mpstat, pidstat, iostat, and…
watch: The One Linux Command You Keep Forgetting to Use
You’re running df -h every 30 seconds by hand to watch a disk fill up, typing…
How to Prevent Passwords from Saving in Bash History
Every Linux user eventually runs a command they’d rather not preserve – a curl with a…
How to Avoid Retyping Long Commands in Linux
Ctrl+R and fc let you find, recall, and edit any command from your bash history in…