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This article shows how to use a keyboard shortcut to set a window to be always on top, on GNOME, MATE, Xfce, Cinnamon and KDE Plasma desktops, as well as a generic shortcut that works with any EWMH/NetWM compatible X Window Manager (so this generic solution doesn't work on Wayland).

Linux is a widespread OS known for its robust security . That being said, vulnerabilities are inevitable in any OS, and Linux system administrators must be vigilant about monitoring and verifying the security of their servers on an ongoing basis in order to protect sensitive data and prevent attacks. After all, the majority of attacks on Linux systems can be attributed to poor administration .

This brief guide explains how to quickly navigate through directory history using cdh, nextd and prevd commands in Fish shell in Linux.

In the year since the Raspberry Pi 4 was released, I've seen many tutorials (like this and this) and articles on how well the 4GB model works with container platforms such as Kubernetes (K8s), Lightweight Kubernetes (K3s), and Docker Swarm. As I was doing research, I read that Arm processors are "first-class citizens" in OpenStack.

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Git is a free and open-source versioning system developed by Linus Torvalds. It is used by millions of developers around the world. In this tutorial, we will show you how to install and configure Git HTTP server with Nginx on Ubuntu 20.04.

In this tutorial, we will learn how to enable email SSH login notifications in CentOS 8.

Due to Linux’s open source nature, there are many hundreds of actively maintained distributions or ‘distros’ of the OS. Linux distros are like Linux software in general. They come and (some) go.

I'm a habitual Emacs user. I didn't choose Emacs as much as it chose me. Back when I was first learning about Unix, I stumbled upon a little-known feature in a strange application called Emacs, which was apparently hidden away on my computer. Legend had it (and was proven true) that if you typed emacs into a terminal, pressed Alt+X, and typed tetris, you could play a falling-blocks game. read more

Bash one-liners can reduce workload, automate something quickly and put the power of ultimate system control in your hands. Over time, you will likely learn to write more complex one-liners and some of the things you end up writing as a seasoned professional will be nearly in-parsible by a beginner. That said, the Bash command and development language is highly structured - and relatively easy to understand - once you know about the in and outs. It really is like becoming proficient in a foreign language.

Ubuntu Unity maintainer Rudra Saraswat officially released today the Ubuntu Unity 20.10 distribution for the Raspberry Pi single-board computers.

Two sed and 5 AWK methods for doing this re-formatting job are explained here, including a surprisingly simple trick that requires GNU AWK 4.2 or later.

What is Nmap, and why do I want to use it? Finding rogue devices on your network is a good start.

The Linux Foundation's first certification for entry-level system classes is ready to help you get started on your modern-day IT job hunt.

Kubernetes control plane nodes and worker nodes, their features, and how they interact.

Eventually, this was supposed to happen anyway. An experienced reverse engineering professional launched a Patreon project to bring Linux to the Apple M1 macs ARM devices.

The KDE Project released today KDE Plasma 5.20.4 as the fourth maintenance update to the latest KDE Plasma 5.20 desktop environment series with another batch of bug fixes and improvements.

Various enhancements but merging still a big no-no The OpenZFS project, formerly called ZFS on Linux, has released version 2.0.0 with major new features. The previous release was version 0.86 in October. Both Linux and FreeBSD are supported.…

You may have heard about Emacs and Vim and Nano, the quintessential Linux text editors, but Linux has an abundance of open source text editors, and it's my goal to spend December giving 31 of them a fair go. In this article, I look at Jed, a terminal-based editor featuring a handy drop-down menu, which makes it especially easy for users who are new to terminal editors, as well as those who just don't like remembering keyboard combinations for every function. read more

In 2020, our ways of living and working were turned completely upside down in a matter of days. As COVID-19 began to spread across the globe, we brought our companies home, and staying connected to our colleagues, friends, and family online became a critical necessity.

Linux computers used to be safe from most forms of malware - but this is unfortunately no longer the case, as cyber criminals have come to recognize Linux as a valuable target.