System & Network Admin

Useful for routine jobs like restarting services, starting backup scripts, or sending pings, when direct SSH access is difficult, not possible, or a just pain to use.

In Linux, almost everything is a file. This tutorial looks at creating and deleting directories and files. It also covers commands like copy and move to help with file management.

Granting the user full administrative rights over the OS, sudo is one of the most important — and dangerous — commands in Linux. Here's how to use it wisely.

Pgvector, pgvectorscale, and pgai are all open source under the PostgreSQL License and are available for you to use in your AI projects.

Understanding how user permissions work is one of the most important parts of mastering Linux. Start here for the basics.

Will you be able to open today’s Word docs in 20 years? Probably not, unless you take some necessary steps to give those digital files an extra-long shelf life.

A community-driven library of 1-click self-hosted apps

Nginx is a versatile and high-performance server known for its capabilities in web serving, reverse proxying, caching, load balancing, and media streaming. Its asynchronous, event-driven architecture has made it one of the most efficient and reliable web servers available, especially within Linux environments.

We curated a list of useful Data Science Cheat Sheets for data scientists and analysts to keep updated with basic concepts.

The reactive data store for local-first apps.

Your adorable Raspberry Pi can be outfitted with enough tools to detect and eradicate the threats targeting your home network

One less install required!

Xe Iaso's personal website.

It's been well over a year since I started serving 429s to clients which are hitting the feed too often. Since then, much has happened, and most of it is generally good news.

Or, "Thanks, but I reject your cache-buster or tracking token." I decided to change my various pages to reject unknown URL search parameters. URLs mean things, and ideally only one URL will refer to a given document. And mangling URLs instead of respecting the Expires header is antisocial behavior. There are lots of badly-behaved feed readers out there. You may be about to find out that yours

The "feed reader score" service that I mentioned earlier this week is now up and running. Several people reached out to me and I have sent them their unique codes and links to the instructions so they can get started.

In Linux, everything is a file. Even any hardware device connected to the system is represented as a special file. So it shouldnt come as a surprise ...

Please note that this article seeks to explore viable ways of viewing (not opening) a PDF file from the Linux command-line environment.

Let's make a tiny, standalone CA! We'll use a Raspberry Pi 4, YubiKey 5 NFC, and Infinite Noise TRNG.

An unofficial guide to using Mastodon and the Fediverse

An unofficial guide to using Mastodon and the Fediverse

I will no doubt get told i am doing this wrong, but ... Firstly, go to Control Panel - Network -DSM settings, check Enable Customized domain...

Welcome to the Void

It’s more than rails!