In my Open-Source Classroom column a few months ago, I talked about backups and got some really fascinating feedback. Here are a few of the ideas from readers worth checking into:

I'm always leery when I hear, Recent studies show.... But the idea that looking at electronic device screens before bed can cause sleep issues seems to be fairly accepted. The fascinating part for me is that it isn't really the screen itself, but the blue part of the color spectrum that contributes to the sleeplessness.

In this article, I'm covering something that's a little abstruse: converting numeric bases within shell scripts.

In this article, I want to cover a more fundamental aspect of shell scripting: working with command arguments. I suspect that most shell scripts go through an evolution with their command flags, a

This is the second in a multipart series on the Qubes operating system. In my first article, I gave an overall introduction to Qubes and how it differs from most other desktop Linux distributions, namely in the way it focuses on compartmentalizing applications within different VMs to limit what attackers have access to in the event they compromise a VM.

This is the first in a multipart series on Qubes OS, a security-focused operating system that is fundamentally different from any other Linux desktop I've ever used and one I personally switched to during the past couple months.

Monitoring data centers with sensors over conventional temperature probes has huge advantages, says facilities monitoring specialist ServersCheck.

RapidDisk is an open-source and enhanced Linux RAM drive solution led by BDFL Petros Koutoupis (who also writes for Linux Journal) that allows users to create, resize a

Free of charge for any use and free of any kind of advertising bundle, PeaZip is an open-source (LGPL) file archiver, a free alternative to software like WinRar and WinZip, for Li

The headlining feature of the new Varnish Massive Storage Engine (MSE) 2.0 from Varnish Software is cache persistence.