8 CLI HTTP Clients to Test APIs and Download Files in Linux
Testing an API or troubleshooting a web server that returns a 502 error shouldn’t require opening…
5 Commands to Protect Critical Apps From the Linux OOM Killer
Your database keeps disappearing overnight, and the only clue is a kernel line saying “Out of…
How to Fix apt and dnf Lock Errors After a Crashed Upgrade
When a package upgrade stops halfway through, your package manager can stay locked and leave many…
15 Practical pwd Examples in Linux You Should Know
pwd looks like one of the simplest Linux commands, but there are a few details worth…
GitHub Copilot CLI: How to Use an AI Coding Agent in Linux Terminal
GitHub Copilot CLI brings an AI coding agent directly into your terminal. This guide walks you…
How to Search, Stream, and Download Anime Using ani-cli
ani-cli is a POSIX shell script that lets you search for anime, choose an episode, and…
usermod Command: Manage Linux Users, Groups, UID, Shell and More
Most admins learn usermod -aG in their first week and never read much beyond it. But…
8 chattr Commands to Make Files Immutable and Prevent Changes in Linux
Most sysadmins reach for chmod when they want to lock down a file. The problem is…
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…
12 Ways to Use the dmesg Command in Linux to View and Troubleshoot Kernel Messages
Most people run dmesg once, see thousands of lines, and close the terminal. But that’s not…
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…
16 Fun Linux One-Liners Every Command-Line User Should Try
Linux command line has a lot of fun around itself and many tedious task can be…
5 Ways to Test TCP and UDP Ports in Linux Using nc, nmap, ss, and Bash
Telnet is missing from almost every modern Linux install, but you can still test TCP or…
20 Linux Networking Interview Questions and Answers for 2026
You’ve probably memorized networking definitions like “What is DNS?” or “What is a subnet?” for interviews….
How to Use the watch Command in Linux to Monitor Commands in Real Time
You’ve probably run df -h, waited a few seconds, and run it again while a file…