Author: Rahul

Ubuntu is a popular version of Linux that lets you choose different Display Managers to make your system easy to use. This article will show you how to switch between three commonly used Display Managers: GNOME Display Manager (GDM), LightDM, and Simple Desktop Display Manager (SDDM). No matter if you are experienced with Linux or just starting with Ubuntu, this guide will give you simple steps to improve and customize your system’s login screen. Understanding the Display Manager A Display Manager is a graphical login program and session manager that is responsible for the user authentication. It is a totally…

The login screen is the first thing you see when booting up your Ubuntu system, and customizing its background can add a personal touch to your overall desktop experience. In this article, we will explore a powerful tool called “ubuntu-gdm-set-background” available on GitHub, which allows users to easily change the login screen background in Ubuntu. By following this step-by-step guide, you will be able to personalize your login screen with your preferred image. Step 1: Installation of ubuntu-gdm-set-background To begin, we need to install the “ubuntu-gdm-set-background” tool. Follow these steps to proceed: sudo apt install libglib2.0-dev-bin Now download the script…

PHP is a programming language used for developing web applications. You must install PHP packages on a Ubuntu system to run the application written on it. Generally, it is used to create e-commerce websites, blogs, and API applications. If you’re looking for an easy way to install PHP on Ubuntu 22.04, look no further. This blog post will show you how to do it quickly and easily. We will use the Ondrej PPA for installing PHP on Ubuntu 22.04 LTS system. Which contains PHP 8.3, 8.2, 8.1, 8.0, 7.4, 7.3, 7.2, 7.1, 7.0 & PHP 5.6 packages. You can install…

The Problem: While upgrading the Ubuntu OS version, I faced the following issue with the do-release-upgrade command. Even all the current packages were upgraded with apt upgrade. sudo do-release-upgrade We faced a known issue that would not allow us to continue with the upgrade. You will see the following error message: Checking for a new Ubuntu release Please install all available updates for your release before upgrading. Here are 2 solutions available to resolve this issue. It may be one solution not worked in some situations, try another solution. Solution 1: The first solution is to disable all third-party repositories…

Problem Recently, I installed Apache Kafka on the Ubuntu system. When tried to run the consumer console script, I found the error message that “zookeeper is not a recognized option”. ./bin/kafka-console-consumer.sh –topic testTopic –zookeeper localhost:9092 zookeeper is not a recognized option Option Description —— ———– –bootstrap-server –consumer-property properties in the form key=value to … … Solution After searching a bit time, I visited to Apache Kafa QUICKSTART guide. Here I found the solution that Kafka has removed –zookeeper option and replaced it with a new option –bootstrap-server . So the new command would be like: ./bin/kafka-console-consumer.sh –topic testTopic –bootstrap-server localhost:9092…

LightDM is a free, opensource and lightweight X Display Manager for Linux Desktop systems. It is also used as a cross-desktop display manager. It supports various Desktop environments including various display technology, such as Wayland, Mir, and X windowing systems. This tutorial will help you to install the LightDM display manager on the Ubuntu Desktop system. Installing Lightdm on Ubuntu LightDM packages are available under default apt repositories. You can install lightdm on Ubuntu by running the following commands. sudo apt update sudo apt install lightdm Configure Lightdm as Default Display Manager Once the lightdm is installed on your system.…

The Problem: Today, I launched a new AWS instance with Ubuntu 22.04. The default key provided by AWS is working fine with SSH. But when I attached my personal ssh key to the server and tried to access with FileZilla over SFTP, I got the following error in auth.log. May 10 11:52:58 localhost sshd[57650]: Disconnected from authenticating user ubuntu 203.190.146.202 port 46565 [preauth] May 10 11:52:59 localhost sshd[57652]: userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms [preauth] May 10 11:53:00 localhost sshd[57652]: message repeated 3 times: [ userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms [preauth]] May 10 11:53:00 localhost sshd[57652]: error:…

In today’s world, many people use virtual machines (VMs) to run different operating systems on one computer. Microsoft Hyper-V is a tool that helps you create and run these VMs, especially on Windows Server. However, when using Ubuntu on a VM in Hyper-V, the screen resolution might not fit your monitor properly, making it harder to use. This guide will show you easy steps to change the screen resolution on your Ubuntu VM in Hyper-V so you can work more comfortably and clearly. How to Change Screen Resolution for an Ubuntu VM on Hyper-V To improve your experience and change…

Question – How to find static IP Address of My Ubuntu Desktop system? 2 Ways to find IP Address on Ubuntu 22.04 Desktop and server editions? Ubuntu 22.04 desktop edition comes with an attractive Gnome Desktop Environment. You can either use the command prompt to check the current IP address on your system or use a GUI option to view the local IP address on your system. You can also use another article to change IP address on Ubuntu 22.04 desktop and server editions. Choose one of the below methods to check the current IP address on a Ubuntu system.…

All the Linux Desktop systems have a default display manager, which is responsible for user authentication and loading the desktop environment. Once the system start, the display manager starts the login screen, and after successful user authentication, it loads the desktop environment. It also controls the user session. The gdm3, lightdm, and sddm are some popular display manager programs. gdm3 is the default for Gnome desktops, and sddm is the default used by KDE desktops. The lightdm is the lightweight cross-desktop display manager. This tutorial will help you to change the default display manager in your Ubuntu desktop system. Changing…