Two commands answer almost every storage question on a Linux box. lsblk shows the shape of your storage: which disks exist, how they are partitioned, and where each partition is mounted. blkid reads the filesystem metadata itself and prints the UUID, label, and filesystem type you need when editing /etc/fstab or writing udev rules. The […]
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Two commands cover most checksum and encoding work on Linux: md5sum produces a fixed fingerprint of a file, and base64 converts data into plain ASCII text so it can travel through channels that only accept text. They look similar in a terminal but do opposite jobs. The sections below show the difference through hashes, verified
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You run ls, scan a crowded directory, and still cannot tell which file changed most recently. The ls -ltr command solves that in four characters of flags: it prints full details for every entry and sorts them so the oldest file sits at the top and the newest sits at the bottom, right above your
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Handbrake is a highly advanced open source video transcoder with which you can encode your videos to different formats and codecs so that you can play them on different devices such as Mobile Phones, TVs, Game Consoles etc. It is a really simple application, but you can go to lengths to customize every single preset
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In this guide, we’ll go through the steps to create an encrypted persistent live Kali USB. Kali Linux is probably the most popular penetration testing Distro out there. However, due to it being a rolling release and unstable in nature, it is not advisable to run it as a daily driver. Steps to Setup Encrypted
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DuckStation Linux turns an old PlayStation 1 library into a fast, sandboxed emulator you can install with one command. The project is accurate and free, but its Linux story has gotten messier since the developer restricted the license and pulled Arch packaging in 2025. This guide covers installing DuckStation on Linux through Flatpak and AppImage,
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Typing every variable name in full gets old fast, even in an editor as efficient as Vim. CoC, short for Conquer of Completion, is a Language Server Protocol (LSP) client that brings IDE-style autocompletion to Vim and Neovim through a separate Node.js process. The steps below install it with the vim-plug plugin manager, add language
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A Jellyfin Debian install gives you the same core experience as Plex or Emby, streaming your own movies and shows to a browser, phone or smart TV, but with the code fully free and open source and no paywalled apps. The Jellyfin server itself needs to go on a PC, mini server or Raspberry Pi
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Connecting to WiFi from the terminal matters most when there is no desktop to click through. A minimal Arch install drops you at a root shell with no GUI, a headless server has no desktop at all, and a broken display manager leaves you with only a login prompt. nmcli, the command line client for
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Hiring panels ask these questions because log triage is daily work. Every command below was verified against GNU grep 3.11, so you can rehearse the exact syntax you will type on the job. Every example below runs against a small log file, so you can reproduce each result in your own terminal in under a
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