Tag: linux

Twenty powerful bash one-liners every sysadmin should know, file ops, process hunting, networking, text processing, disk analysis

Enable GPU acceleration in Chrome and Firefox on Linux with VA-API, Wayland, and WebGPU. Covers the flags and config settings that actually work in 2026.

Control Linux audio volume and mic boost from the terminal with ALSA's amixer, no GUI needed, no remembering cryptic card numbers.

Compile software on Raspberry Pi or cheap VPS with 512MB, 2GB RAM. Swap, parallel jobs, ccache, and swappiness tuning make it work.

Build a video slideshow from static images with a voiceover track using FFmpeg, concat filters, fade transitions, and audio sync.

nohup, disown, and & all keep Linux processes alive after logout, but they work differently. Here's which one to reach for, when, and why.

Access services on the host machine from inside a Docker container using host-gateway or host.docker.internal, no hardcoded IPs.

WebGL disabled or hardware acceleration broken? Force-enable it in Chrome and Firefox with the right flags and about:config tweaks.

Shell globbing breaks inside docker exec because of how args are parsed, here's how to pass wildcards and asterisks correctly.

Move Docker images between hosts without a registry using docker save and docker load, air-gapped deployments made simple.

The official, no-nonsense way to install Docker Engine on Ubuntu and Debian, repository setup, key import, and one command to verify it works.

Generate code documentation with Doxygen without installing it, run it from a Docker container and get HTML docs from any codebase.