System & Network Admin

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

What do you do when a crowdfunded product you really liked gets cancelled? Naturally, you take the idea and build your own version of it. That’s what [Salim Benbouziyane] did when the Focus D…

Everyone likes something cheap, and when that cheap thing is a router that’s supported by OpenWRT, it sounds like a win. [Hennung Paul] ordered a Wavlink WL-WN586X3 for the princely sum of 39…

Create recognizable GUIDs from Hex-l33t words. Use this to generate constant GUIDs when needed. Guaranteed not to be unique.

Docker Compose Manager - Manage Docker Compose environments efficiently with ease.

In scenarios like changing the swap size, you should disable the swap first. This quick tutorial shows the steps for disabling swap in Linux.

Are you familiar with Huffman encoding? That’s where you pick shorter codes for more frequent letters. Morse code is the same way, in that the most-used letters are the shortest. [Matheus Ric…

Make your shell workflow as smooth as possible by creating helpers designed just for you.

Stream games at up to 4K at 60 fps from your gaming PC to your big TV.

World's simplest collection of useful PNG utilities. Resize PNG, rotate PNG, crop PNG, convert PNG to JPG, GIF, BMP, Webp, base64, and more.

The BUKMARK.CLUB directory.

This tutorial will you how to install and use etckeeper so you can keep tabs on the comings and goings of your /etc/ directory.

It might come as a surprise to some that IEEE, the Institute for Electrical and Electronics Engineers, does more than send out mailers asking people to renew their memberships. In fact, they also m…

A new open-hardware computing platform, flexible and powerful, designed for use as a desktop, laptop, or standalone board.

How we built a laptop with nothing but open-sourced hardware and software

Dear Backers, Team Kosagi has just returned from China where we were, among other things, checking up on Novena case production and making sure quality was up to snuff. Above is just one illustration of why, as a general rule, its not economical to do the production of laptops on the scale of a few hundred units. This is a stack of scrap material from various trial runs weve been through, iter...

Dear Backers, We apologize for the long pause since our last update. However, we think the best update anyone can get is a tracking number for their order. To date, we've managed to fill all the mainboards, desktops, and about 25% of the laptop orders. We're currently cranking laptops out at a rate of about 30 per week, which means we'll be finished with the bulk of the campaign orders in about 4­...

Now that we've had some time to become familiar with Novena, we've seen new and interesting bugs crop up. We've spent time fixing these bugs, and the result is a system that is much more stable.

NUT will be installed on Debian (Proxmox) and will be linked to a single APC UPS. When there is a power failure, NUT will send an email…

How to set up a NUT server in Proxmox, to work with your APC UPS. We also include monitoring using Docker (Portainer) and Home-Assistant.

Prevent pushing to “main” locally with this git config snippet. It doesn’t rely on setting up the remote branch protections, though you should also do that.

Thanks to UCTRONICS for sending me this to test.official linkhttps://www.uctronics.com/uctronics-pi-5-rack-pro-1u-rack-mount-with-4-m-2-nvme-ssd-base-pcie-to...