The purpose of this article is to configure a script such as a Bash script or Python script to run upon system startup in Ubuntu 22.04 Jammy Jellyfish Server/Desktop.
Ubuntu 22.04
Ubuntu 22.04 on WSL (Windows Subsystem for Linux)
If you are a Windows user and do not want to take the full plunge into Linux, Windows Subsystem for Linux can be a fair compromise to at least give you some Linux capabilities on your Windows sytem. Ubuntu 22.04 is a great operating system to install on WSL, and definitely the most popular of the Linux distributions currently offered. Both Windows 10 and Windows 11 systems are capable of installing Ubuntu 22.04 through WSL.
Ubuntu 22.04 not booting: Troubleshooting Guide
If you are having trouble booting into your Ubuntu 22.04 system, there is a tool called Boot Repair that can remedy a broad range of frequent issues. Usually trouble with booting can be due to the GRUB boot menu or a corrupt file in the /boot directory. Whatever the case may be, Boot Repair is an excellent software to help us start troubleshooting.
Ubuntu 22.04 Enable full disk encryption
The best way to keep your Ubuntu 22.04 system and files completely secure in the case of theft is to enable full disk encryption. This way, if your device is stolen or someone is sitting at your desk and trying to boot into your PC, they will need to know your password in order to mount any partitions. Even if they access the hard drive content through other means, all files would be encrypted and no one could read their contents.
Ubuntu 22.04 Change login screen background
If you are like most users, you will want to customize your Ubuntu 22.04 system to make it feel more personalized. One of the most obvious ways to do this is to change your desktop wallpaper. You can also take it one step further and change the background of your login screen.
Things to install on Ubuntu 22.04
This tutorial explores various software that you can install on Ubuntu 22.04 Jammy Jellyfish. There is a variety of things that can be installed on Ubuntu 22.04, hence we have divided all the software into two categories: Ubuntu user and DevOps.
Ubuntu 22.04 GPG error: The following signatures couldn’t be verified
The Ubuntu 22.04 GPG error: The following signatures couldn't be verified is the most common error when attempting to include third party package repositories to the apt package manager. The GPG error should rather be treated as a warning against potential package installation from unknown sources. Therefore, the GPG error message prompts the user to verify and manually import the third party signature belonging to relevant package developer.
Ubuntu 22.04 list services
Many processes run as services managed by systemd on your Ubuntu 22.04 system. In this tutorial, you will learn how to list and change state for systemd services and unit files on Ubuntu 22.04 Jammy Jellyfish Linux Server/Desktop.
Ubuntu 22.04 NTP server
NTP stands for Network Time Protocol and is used for clock synchronization across multiple computers. An NTP server is responsible for keeping a set of computers in sync with each other. On a local network, the server should be able to keep all client systems to within a single millisecond of each other.
How to Burn ISO to DVD on Ubuntu 22.04 Desktop
If you have an ISO file, such as Linux installation media, it is possible to create a DVD media from the file. In this tutorial, you will learn how to burn an ISO image to DVD using Ubuntu 22.04 Jammy Jellyfish Linux desktop.
How to install Kubernetes on Ubuntu 22.04 Jammy Jellyfish Linux
Kubernetes is leading software in container orchestration. Kubernetes works by managing clusters, which is simply a set of hosts meant for running containerized applications. In order to have a Kubernetes cluster, you need a minimum of two nodes – a master node and a worker node. Of course, you can expand the cluster by adding as many worker nodes as you need.
Configure sudo without password on Ubuntu 22.04 Jammy Jellyfish Linux
Are you tired of having to provide your administrator password when you use sudo? In this tutorial you will learn how to configure sudo without the password on Ubuntu 22.04 Jammy Jellyfish Linux. This means that the sudo command will not prompt you to enter password hence rendering your sudo command completely without a password.