Changing the username on a Linux system can seem a bit tricky at first. After all, there are tons of application settings, system services, file permissions, and configuration files that rely on the username in order to function smoothly. Suddenly changing the name can have adverse and unexpected effects on your system, and will cause certain things to stop working if you do not manage to change the username using the proper method.
Ubuntu
Forcing Installation of Held-Back Packages in Ubuntu/Debian
During regular software updates in Ubuntu Linux distros, you may encounter a situation where some packages have been kept back and are not updated. This could lead to disparities in the version of packages across different systems.
Switching to Firefox’s Deb Installation on Ubuntu 22.04+: A Guide to Avoiding Snap Packages
Ubuntu’s distributions, starting from version 22.04, have started packaging Firefox as a Snap package. Snap packages are Ubuntu-specific, containerized software packages that include dependencies needed for the software to run. However, due to personal preference or issues regarding their functionality, some users may prefer to install Firefox as a traditional Deb package.
How to Use X instead of Wayland on Ubuntu 22.04?
Ubuntu provides its users with two display servers: “Wayland”, the default display server and “Xorg” (also known as X11 or just “X”). Both display servers crucially stand at the connection point between your physical, computational resources and the graphical user interface (GUI) you interact with.
Fixing Black Screen After Suspension in Ubuntu 22.04: NVIDIA & AMD Guide
Undoubtedly, Ubuntu 22.04 LTS’s black screen after suspend issue has been a critical problem for some users. If you have an NVIDIA or AMD graphics card, you may find this issue more frequently. This article provides an in-depth analysis of the problem and provides various solutions.
Why are there so many loop partitions in my Ubuntu Linux system?
If you’ve been dabbling around with the Linux operating system, especially Ubuntu, you might have noticed numerous loop partitions appearing in your system. Often ranging in small sizes such as a mere few megabytes, you might wonder why these partition systems exist, what purpose they serve, and if they can be deleted to reclaim disk space.
Setting Up NVIDIA CUDA Toolkit in a Docker Container on Debian/Ubuntu
Harnessing the power of NVIDIA GPUs on Debian and Ubuntu systems often requires navigating a maze of configurations and dependencies. NVIDIA’s CUDA Toolkit, essential for GPU-accelerated tasks, can simplify this with Docker. By containerizing the toolkit, developers ensure a consistent, streamlined, and optimized environment across systems. In this guide, we’ll detail the steps to seamlessly integrate the CUDA Toolkit within a Docker container for these popular Linux distributions.
How to install Discord on Ubuntu 20.04 Focal Fossa Linux
Discord is an application for text, image, video and audio communication, which was developed for video gaming communities. Discord runs on various Linux distributions of your choice and, in particular, on Ubuntu 20.04. With Discord installed, you will be able to join chat groups, create your own voice server, stream the video game you’re playing, and keep in touch with all other Discord users for free. The objective of this guide is to install Discord the gamer’s chat platform on Ubuntu 20.04 Focal Fossa Linux.
How to install Ubuntu alongside Windows 10 (Dual Boot)
If you want to run Ubuntu Linux on your system but you already have Windows 10 or Windows 11 installed and don’t want to give it up completely, you have a couple of options. One option is to run Ubuntu inside of a virtual machine on Windows 10/11, and the other option is to create a dual boot system. Both options have their pros and cons. A big advantage of a dual boot system is that both operating systems will have direct access to your computer’s hardware – no virtualized hardware and unnecessary overhead.
How to install Gnome on Ubuntu 20.04 LTS Focal Fossa
GNOME is the default desktop environment for Ubuntu 20.04. If you don’t yet have a desktop environment installed (as is the case for Ubuntu Server), or have a different GUI and would like to switch to GNOME, it’s very easy to do. GNOME includes a variety of desktop applications and its aim is to make a Linux system easy to use for non-programmers. In this tutorial, you will learn how to install the GNOME desktop environment on Ubuntu 20.04 Focal Fossa Linux.
Ubuntu Server 20.04: Connect to WiFi from command line
In this tutorial, you will learn how to connect to WiFi from command line on Ubuntu using Netplan. While this method can be used on Ubuntu desktop systems with a GUI, it is especially useful if you’re running a headless Ubuntu 20.04 system like a Raspberry Pi or need to connect to Wifi on Ubuntu Server. Follow along with us below as we connect to a WiFi on command line via SSID and network key.
Ubuntu 20.04 GUI installation
The purpose of this tutorial is to install a desktop environment GUI on Ubuntu 20.04 Focal Fossa, whether you already have a GUI installed and wish to use a different desktop environment, or if you are only using the command line and would like access to a GUI. You can also use these instructions to install a GUI on Ubuntu Server 20.04, which doesn’t have a desktop environment installed by default. Follow along with our instructions below to install a GUI on Ubuntu 20.04 Focal Fossa Server and Desktop.