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When performing digital reconnaissance or penetrating testing, it’s important to fingerprint a network by understanding what operating system is used on a remote a host. Nmap is a great tool for this job. Although normally associated with the cybersecurity field and penetration testing, Nmap can also be used for benevolent purposes, such as a system administrator taking an inventory of what operating systems all the systems on his network are running.

Modern sysadmins must maintain a diverse and ever-evolving set of technical skills. When you're looking to increase your sysadmin skills, you might set out looking for training on key technologies, such as Kubernetes, containers, and automation. In fact, you've probably already started building your aptitude in those areas. But these aren't the only things you need to work on if you want to stand out in your sysadmin career.

One of the promising new BSD projects started over the past year was helloSystem as "the macOS of BSDs" and built atop FreeBSD but with a macOS-inspired design. A Phoronix reader has pointed out another entrant in this field with airyxOS as a FreeBSD-based operating system designed to be similar to Apple's macOS experience.

In this guide, we are going to learn what is Multi-Factor authentication and how to setup Multi-Factor authentication for SSH in Linux.

The seventy installment of the 9to5Linux Weekly Roundup is here for the week ending on January 30th, 2022, keeping you guys up to date with the most important things happening in the Linux world.

The macOS user interface looks nice and it is very user friendly. Which is why many developers strive to replicate it. And that is why far too often, there is a *nix distribution which is specifically built modeling itself after what comes out of Cupertino.

In a previous tutorial we saw the basic concepts behind the usage of Tkinter, a library used to create graphical user interfaces with Python. In this article we see how to create a complete although simple application. In the process, we learn how to use threads to handle long running tasks without blocking the interface, how to organize a Tkinter application using an object oriented approach, and how to use Tkinter protocols.

There may be a couple of reasons why you need to extract initramfs or initrd images. As of now, I want to fix my computer, which was not allowing me to use my laptop with the following error: “Failed to start VirtualBox Linux kernel modul

The team announced the release of Nitrux 2.0 that brings the latest Linux Kernel 5.16, several visual refreshes in this KDE Plasma based desktop. We wrap the release in this post.

Document creation and management suites play a vital role in personal and professional spheres of life. A sizable variety of premium office suites is available to tackle your Linux computing needs, posing a solid competition to the old-faithful Microsoft Office.

Wordle seems to be popping up everywhere across social media feeds. Wordle is a quick word game that you can play once daily, and you can easily share results with friends over social media.

Nitrux is a KDE Plasma + Debian-based Linux distribution which features NX Desktop with Plasma desktop with its own flavor. The latest Nitrux 2.0 release brings a fresh Plasma desktop, the latest kernel, and applications. We round up the release with a quick review.

Uri Herrera announced today the release of Nitrux 2.0 as the latest and greatest version of this Debian-based, systemd-free GNU/Linux distribution built around the KDE Plasma desktop environment.

This guide explains how spell check feature works in Vim and how to use spell check feature in Vim text editor in Linux and Unix operating systems.

Computers used to be luxury devices that only the wealthy could afford, but now you can carry a phone in your pocket that’s many times more powerful than the computers that sent men to the moon. However, even the cheapest phones are still $50-100 thanks to the cost of licensing and cellular components. Developer Brian Benchoff wanted to see just how cheap a functional computer could be. He came up with the Minimum Viable Computer, a pocket-sized Linux box that could cost as little as $15.

Getting an Arm platform that works with mainline Linux may take several years as the work is often done by third parties, and the silicon vendor has its own Linux tree. That means in many cases, the software is ready when the platform is obsolete or soon will be. It would be nice to start software development before the hardware is ready. It may seem like a crazy idea, but that’s what the team at Collabora has done to add support for Arm “Valhall” GPUs (Mali-G57, Mali-G78) to the Panfrost open-source GPU driver.

Along with the broader industry trend of transitioning security-sensitive code to memory-safe languages like Rust, there has been an effort to write a Rust-based replacement to GNU Coreutils. For nearly a year that Rust Coreutils has been able to run a basic Debian system while more recently they have been increasing their level of GNU Coreutils compatibility and in some cases now even outperforming the upstream project.

Valve engineers have been beavering away to try and improve the Steam Deck's battery life ahead of its impending launch on February 25. In order to achieve this, its Linux devs have been making changes to the open-source Radeon Vulkan (RADV) driver, which the Steam Deck uses to control variable rate shading.

Void Linux is one of the Linux distributions, wholly independent and entirely developed by volunteers. In this guide, I will be going to show you step-by-step how to easily install Void Linux and set up a fully workable desktop environment.

We give you a quick reference of essential DNF commands with examples in this guide.