System & Network Admin

In this article, we will explain how to set a sudoers insult parameter for the sudo command to insult system users when they enter an incorrect password.

The Google Authenticator is an open-source module that includes implementations of one-time passcodes (TOTP) verification tokens developed by Google.

Home Manager is a system for managing a user environment using the Nix package manager. In other words, Home Manager lets you install software declaratively in your user profile, rather than using nix-env manage dotfiles in the home directory of your user. Home Manager has many options, which can look...

NixOS uses a declarative configuration system that allows users to manage their entire operating system setup including installed packages, system services, user accounts, hardware settings, and more through configuration files. This page serves as an overview of how to work with and manage NixOS system...

In this post we will be moving all our configurations into a very simple flake, setting up Vaultwarden with Fail2Ban and finally modularizing our configuration ready for future self hosted apps.

A baseline of commands and concepts that you need to navigate your command-line shell in a professional environment.

Background Last week I was setting up this RISCv-based HiFive Unmatched board[1] with NixOS. Thanks to zhaofengli this was actually pretty straight forward given that his repository contained a full walk-through, images and a binary cache. So instead of spending the NixOS Munich Meetup hacking on this architecture, I had time to go further. One of the thing that becomes quickly apparent while hacking on the board is that although the board is quite beefy with 16GB of RAM and NVME, it cannot keep up with up-to-date x86 machines.

Learn what Linux services and daemons are, how they work, and how to manage them using systemctl in this simple guide for beginners.

Official documentation for getting things done with Nix.

An unofficial and opinionated book for beginners

A gentle introduction to NixOS and Flakes.

Worried about your Proxmox server overheating? No need to dig through command lines .

The world of custom mechanical keyboards is vibrant, with new designs emerging weekly. However, keyboards are just one way we interact with computers. Ploopy, an open-source hardware company, focus…

What to do when you start a new Mastodon instance and nothing or very little is showing up in your feed

Migrating a Linux install to a new drive can be easy (Clonezilla) or hard. I chose hard. It was a learning experience.

Photo by nazanin mohammadi on Unsplash   Play a little cat and mouse with Malware. Malware will often check for things like a CPU fan before it will run, in this post they go over how to face …

Lazarus is a professional open-source cross platform IDE powered by Free Pascal

I've seen several articles in the past with titles like "Top 10 things you didn't know about bash programming." These articles are disappoin...

When it comes to tidying up your hard drive on Linux, either to free up space or to become more organized, it’s helpful to identify which directories are consuming the most storage space.

When it comes to tidying up your hard drive on Linux, either to free up space or to become more organized, it’s helpful to identify which folders are consuming the most storage space. In this guide…

This article provides a guide for how to host your own Mastodon server on a VPS.

Have you ever finished up a bit of code and thought that typing “git push” in a terminal is just not a satisfying finish? So did [penumbriel], so he built a big red button he could smas…

[Doug Brown] had a problem. He uses a dummy HDMI plug to fool a computer into thinking it has a monitor for when you want to run the computer headless. The dummy plug is a cheap device that fools t…

[Editor’s Note: Updated on 10/21 at 11AM to ensure it is now reflective of the capabilities across both of our next-gen Xbox consoles following the unveil of Xbox Series S.] As we enter a new generation of console gaming with Xbox Series X and Xbox Series S, we’ve made a number of technology advancements across […]

DirectStorage is a software API that's pushing Xbox and Windows 11 gaming performance to a new level by accelerating SSDs.