System & Network Admin

If you use OpenPGP to secure your email communication, you should consider publishing your public key using Web Key Directory. It's easier than you think.

Create your Nostr account, back it up, and get a Nostr Connect bunker URL in few easy steps!

superfile is a very fancy and modern terminal file manager that can complete the file operations you need!!

Dive into the world of eBPF, the Linux kernel's secret weapon for performance analysis, and discover how new tools like xstack are making it easier than ever to debug complex systems with almost zero overhead.

Experience platinum-tier performance with the Alchitry Pt V2, and learn how to solder with four new kits!

Setting up a Wake-on-LAN server you can reach from a browser, using Tailscale, a webapp, and a little Raspberry Pi.

Running a home server does not have to mean setting up a full-blown monitoring stack. For my needs, a few shell scripts and push notifications are all it takes to keep things simple, reliable, and easy to maintain. I use ntfy.sh for notifications. It is a simple, open-source tool that lets you send push notifications to your devices via a single HTTP request. It is lightweight, easy to set up, and fits perfectly with my minimalist approach.

A platform that can allow you to get data from anywhere

The definitive 2025 guide to uncensored, private search engines with AI. Discover no-log alternatives that bypass government surveillance and corporate tracking.

Find the right version

List of official and community contributed libraries for interacting with the Vault HTTP API.

Caddy as a reverse proxy for Docker. Contribute to lucaslorentz/caddy-docker-proxy development by creating an account on GitHub.

A collection of NixOS modules covering hardware quirks. - NixOS/nixos-hardware

Learn what causes CPU and GPU bottlenecks, how to identify them, and practical fixes to balance performance. Includes tips for gaming, high-resolution tasks, and hardware upgrades.

Explains Linux command to check disk space to find disk space usage, estimate file space usage and more using the df, du and other CLI.

Home channel page

libguestfs, library and tools for accessing and modifying VM disk images

I don’t have a boss. That’s not a brag, it’s a symptom. If I had one, I’d be canned before lunchtime, probably before I even logged in…

It should come as no surprise that the hacker community has embraced the Meshtastic project. It’s got a little bit of everything we hold dear: high quality open source software, fantastic doc…

Learn Linux basics with Bandit Level 0→1! Explore SSH, ls, cat, man pages, and file reading while uncovering Unix's history and secure access methods.

This is the first part of an experimental journey as I explore how many instances of my favorite IoT framework I can run on the 192 core Ampere One.

In this article, you'll find 11 of the best tools to create a bootable USB from an ISO image on Windows, Linux, and macOS – including Rufus, Etcher, and Ventoy.

Is your Linux system slow? Learn how to safely clear RAM cache, buffer, and swap space to instantly free up memory. Simple steps, no reboot required.