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For some time now, I've been a huge fan of the Raspberry Pi computer in all of its various forms. I have a number of them, and each has a server role to play. Most of the time, they work extremely well, and I'm safe in the knowledge that the small amount of power they consume is keeping the bills down. You don't have to invest large amounts of money to build a relatively powerful system that can be taken on the road and used productively.

Want to try GitOps? First, you'll need your environment in Git. We'll show you how!

Convert existing iptables ruels into nftables native format in CentOS 8 and RedHat 8

How to Install Yarn Package Manager on Ubuntu. Yarn is a JavaScript package manager that helps you automate the process of installing, updating, configuring, and removing npm packages easily. It also speeds up the process of the package installation and also prevents the errors related to network connectivity.

LibreELEC, the open-source OpenELEC fork for embedded devices, has been updated to version 9.2.1, a maintenance update that adds various improvements and many other changes.

Remote work is not easy. While there are perks to being remote, it is a mind-shift and takes some getting used to. Talk to anybody that works remotely, and they will likely tell you some of the biggest challenges of remote work are feeling disconnected and a loss of regime. Here are my tips gathered from 10 years as a remote worker on how to set yourself and your team up to work remotely successfully.

Scheduling a single job is easy with the at command and can be done without going cron crazy. Find out how.

Python is a powerful and popular programming language with many packages that are useful for general programming, data science, and many other things. These packages are not included with the Python installation, so you have to download, install, and manage them separately. All of these packages (libraries and frameworks) are stored in a central repository called the Python Package Index, or PyPI for short. This is where pip (short for Preferred Installer Program), Python's package manager, comes into the picture. read more

This brief guide explains how to solve "vboxdrv.sh: failed: Cannot change group vboxusers for device /dev/vboxdrv." Virtualbox error in Ubuntu.

Thanks to applications like Krita and MyPaint, open source software users have all the tools they need to create stunning digital paintings. They are so good that you can see art created with Krita in some of your favorite RPG books. read more

There are a few Linux commands you should be familiar with in order to manage account passwords effectively. In this article, we'll cover some of the handiest password management commands.

FFmpeg is a free and open-source collection of tools for handling multimedia files. It contains a set of shared audio and video libraries such as libavcodec, libavformat, and libavutil. With FFmpeg, you can convert between various video and audio formats, set sample rates, capture streaming audio/video, and resize videos.

The first personal computer I purchased with my own money was a Packard Bell, back in the mid-1990s. What I remember about that computer was that for US$ 1,500, I had an Intel Pentium processor with a few megabytes of RAM, a modem to connect to my dial-up internet, and no other devices for internet connectivity. read more

In the field of open source video recording, my preferred application is OBS Studio. It’s definitely a wondrous class cross-platform application that’s proficient for both video recording and live streaming. Open source at its very finest. Here's my verdict of running OBS Studio on the Raspberry Pi 4.

Security? What security? Say hello to 'LVI' (Load Value Injection), a new class of' transient-execution attacks' exploiting flaws in modern processors and it defeats all existing countermeasures.

Vim is one of the best, highly configurable text editor that comes with a lot of unique features that you can’t find in other text editors. Today, we will discuss one of the useful feature – editing remote system’s files from the local system. This guide explains how to edit remote files with Vim on Linux.

Systems administrators are sought-after positions, and in order to get there, you’ll need to bring a solid combination of technical know-how and interview skills. Here are some tips for aspiring sysadmins to wow their interviewers.

The Tails community announced today the release and general availability of Tails 4.4, a monthly update to the amnesic incognito live system based on Debian GNU/Linux.

Anyone using Docker can use Kubernetes to create a cluster. A cluster is when there are multiple systems working together as a single unit. If one system fails then the other systems will resume the failed processes to keep the resource active.

Prompt to install enhanced extension is the first thing you'll see. The first thing users will see after updating to Mozilla's latest browser, Firefox 74, is a prompt to install the Facebook Container add-on.…