Linux Articles, Tutorials & Guides - TecMint

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 UDP ports with nc,

Kubescape is a CNCF security scanner that checks your Kubernetes manifests, container images, and live cluster. It scores them against

makerskills is an open-source pack of AI agent skills for Claude Code. This walkthrough covers how to install it on

Rio is a GPU-accelerated terminal emulator written in Rust that gives you built-in tabs, splits, and a command palette. So

Hyperswitch is an open-source payments switch from Juspay that you can run on your own Linux server. This guide covers

You’ve probably memorized networking definitions like “What is DNS?” or “What is a subnet?” for interviews. But real interviews often

Much of the MySQL interview prep you’ll find online is based on outdated versions that reached end-of-life years ago. If

You’ve probably run df -h, waited a few seconds, and run it again while a file copy or backup was

Checking .bash_history after the fact, it only shows the commands a user typed, and that’s only if they didn’t clear

Most Linux users come across the ! symbol in only two situations: when they learn the sudo !! shortcut, or

Linux provides tons of command line utilities that Linux administrators learned years ago are now outdated. They still work, the

Most Linux interview lists recycle the same 10 questions from a decade ago, and many of the “official” answers are