Codex CLI: Use OpenAI’s AI Coding Agent in the Linux Terminal
Codex CLI is OpenAI’s coding agent that runs in your terminal, reads your files, and executes…
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…
How to Manage Vulnerabilities Across Multiple Linux Distributions
Linux has long been the operating system of choice for servers, databases, containers, and cloud workloads….
frp: Access Local Services Behind NAT Without Port Forwarding
frp is a fast reverse proxy written in Go that lets a machine behind NAT accept…
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…
Kubescape: Kubernetes Security Scanning for Manifests, Images, and Clusters
Kubescape is a CNCF security scanner that checks your Kubernetes manifests, container images, and live cluster….
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…
Rio Terminal for Linux: Speed Up Your Command-Line Workflow
Rio is a GPU-accelerated terminal emulator written in Rust that gives you built-in tabs, splits, and…
Hyperswitch on Linux: A Self-Hosted Payment Switch for Multiple Processors
Hyperswitch is an open-source payments switch from Juspay that you can run on your own Linux…
15 Advanced MySQL Database Interview Questions and Answers
Much of the MySQL interview prep you’ll find online is based on outdated versions that reached…
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…
How to Monitor Commands Executed by Linux Users in Real Time
Checking .bash_history after the fact, it only shows the commands a user typed, and that’s only…