Researchers Flag 7-Years-Old Privilege Escalation Flaw in Linux Kernel (CVE-2021-33909)

A vulnerability (CVE-2021-33909) in the Linux kernel’s filesystem layer that may allow local, unprivileged attackers to gain root privileges on a vulnerable host has been unearthed by researchers. “Qualys security researchers have been able to independently verify the vulnerability, develop an exploit, and obtain full root privileges on default installations of Ubuntu 20.04, Ubuntu 20.10, […]

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How to Backup and Restore Files using Deja Dup in Linux

Deja Dup is a simple and powerful backup tool for Linux operating systems. In this tutorial, I will show you how to install the Deja Dup backup tool on Debian, Ubuntu, and CentOS Linux.

5 Essential Soft Skills for Sysadmins Self-Improvement

Your technical skills might be superb, but do you have equally compelling soft skills? Learn more about 5 essential soft skills for sysadmins here.
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Jim Whitehurst Left IBM Because He’d Rather Be CEO

Contrary to what some may have feared, the exec’s departure wasn’t a sign that IBM was trying to make Red Hat more like IBM, reneging on its earlier promise. Learn more about why Jim Whitehurst left IBM here.
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12 Popular Linux Networking Tools and How to Use Them

In this article, we’ve created a list of some of the most popular Linux networking tools, and we’ll try to get you familiar with these tools and their basic usage.
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How to Install Shlink URL Shortener with Nginx on Ubuntu 20.04

In the following guide, you will learn how to install Shlink on Ubuntu 20.04 with a complete Nginx example configuration. Shlink is a free, open-source, self-hosted URL shortener written in PHP that provides both a REST and a CLI interface to interact …

How to Install Rocket.Chat with Nginx Reverse Proxy on Ubuntu 20.04

Rocket.Chat can be used as an alternative to different communication channels such as Slack, Mattermost, etc. Rocket.Chat comes with different features such as group chats, video conferencing, and integrated live chat with other platforms. In this arti…

Linux 5.12 Kernel Reaches End of Life, Upgrade to Linux Kernel 5.13 Now

Released about three months ago, Linux kernel 5.12 introduced lots of goodies, including support for Playstation 5 DualSense and Nintendo 64 game controllers, eMMC inline encryption support, support for the Lenovo IdeaPad platform profile and the Lenovo ThinkPad X1 Tablet Gen 2, as well as a new memory-debugging tool called KFENCE. It also introduced initial […]

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How to Install Syncthing on Ubuntu 20.04

Syncthing is an open-source tool used for synchronizing files between two or more computers on a network, using a peer-to-peer architecture. In this guide, we will show you how to install and set up Syncthing server on Ubuntu 20.04.
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Simple Linux Backups with Rsync Command

Having a comprehensive data protection policy in place is now a fundamental practice to help ensure your data weathers all storms that can be thrown at it. Saying that it should be done is the easy part, but actually doing it gets more complex and laborious, depending on the policy in place and what standards […]

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How to Create Rust Virtual Environment Using Conda on Linux

Conda is an open-source package management system and environment management system for installing multiple versions of software packages and their dependencies. In this post, we will show you how to create Rust virtual environments using Conda in Linux.

NVIDIA 470.57.02 Graphics Driver Brings Support for RTX 3070/80 Ti GPUs, DOOM Eternal Fixes

NVIDIA 470.57.02 is here to introduce support for GeForce RTX 3070 Ti and GeForce RTX 3080 Ti graphics cards, which means that if you own one of them, you can now use it with your favorite GNU/Linux distribution as long as you have this latest production version installed. The new driver version also brings better […]

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How to Hide Nginx Version on Linux and Unix

By default, the Nginx version is displayed when you query HTTP headers or errors generated by the Nginx server. This quick guide explains how to hide or remove the Nginx version on Linux or Unix servers without restarting the system.
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GNOME 40.3 Released with Improvements to GNOME Software, Many Bug Fixes

Coming about five weeks after the GNOME 40.2 release, GNOME 40.3 is here with an updated GNOME Software app that now automatically installs application updates depending on the type of application and user configuration. It also includes apps from disabled repositories in the search results of the Activities Overview, an improved Updates tab, as well […]

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Install Redmine on Ubuntu 20.04

Redmine is an open-source and one of the most popular project management and issue tracking systems written in the Ruby on Rails framework. It is a cross-platform and cross-database tool that allows you to manage multiple projects and sub-projects. It offers robust monitoring tools and has integrated support for news, document management, calendars, and forum […]

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How to Fix “Repository Does Not Have Release File” Error

If you add new PPA, you will often encounter the “repository does not have a release file” error. Here is how you can fix it in Ubuntu.
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How to Create Persistent Live USB Using Mkusb on Ubuntu

This tutorial defines Mkusb and how to create persistent Live USB using the Mkusb tool on Ubuntu and its variants.
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Best Free and Open Source Alternatives to Google Docs Editors

Google Docs Editors is a freeware, web-based productivity office suite within the Google Drive service. What are the best open-source alternatives?
 
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6 Advanced Distributions for Expert Linux Users

Most Linux distributions would feel too similar after a point and apart from a few visual changes here and there, you won’t get a different experience.
Here are some independent Linux distributions, but you’ll need a certain level of expertise to…

Kali Linux on VirtualBox: A Step-by-Step Installation Guide

Kali Linux is mainly used for advanced penetration testing and security auditing. This step-by-step tutorial will guide you through all the steps to install Kali Linux on VirtualBox.
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