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Troubleshooting a Buildah script

The source of a problem is often where you least expect to find it.

Why the operating system matters even more in 2017

How to use the Linux grep command

Learn the basics on searching for info in your files, then download our cheat sheet for a quick reference guide to grep and regex.

Top 10 Vim plugins for programming in multiple languages

Make your life as a programmer or sysadmin a little better with these 10 plugins for Vim.

Handling maps in Groovy vs Java

Discover the differences in map handling between Groovy and Java with this hands-on demo.

Why should you use Rust in WebAssembly?

Learn why to use Rust instead of other programming languages with Wasm.

Open source Python-based Freedom of Information platform

I’m happy to announce the Version 3 release of Froide, the open source, Python-based platform for running Freedom of Information portals: allowing you to make requests to…

PolitwOOPs! Deleted tweets from politicians never die

A brief tweet from Rep. Sheila Jackson Lee (D-TX) recently invited you to see her newly-decorated apartment and head-to-toe fashions. The problem? It wasn't her apartment. The…

How to improve your networking monitoring with chat alerts

A step-by-step guide to integrating a Mattermost chat server with a Zabbix monitoring server.

cubes coming together to create a larger cube

Demystifying namespaces and containers in Linux

Peek behind the curtains to understand the backend of Linux container technology.

10 killer tools for the admin in a hurry

Get out of the office faster with these network administration cheat sheets and tools.

Javascript code close-up with neon graphic overlay

Learn JavaScript by writing a guessing game

Take the first steps toward creating interactive, dynamic web content by practicing some basic JavaScript concepts with a simple game.

MySQL, Python, Firefox extensions, Linux commands, open source VPN tools, and more reader favorites

We round up reader favorites from the past two weeks.