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
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.
Ubuntu 22.04: List of torrent clients
The BitTorrent protocol is used for peer to peer file sharing and it’s an extremely efficient way of downloading and sharing files with groups of people. While file sharing with BitTorrent is normally associated with video files like movies or TV episodes, it’s also common for Linux developers to offer a torrent download of their distribution.
Install Microsoft fonts on Ubuntu 22.04 Jammy Jellyfish Desktop
In this tutorial, we will perform the installation of Microsoft’s core TTF fonts on Ubuntu 22.04 Jammy Jellyfish Desktop. This includes fonts such as Andale Mono, Arial, Arial Black, Comic Sans, Courier New, Georgia, Impact, Times New Roman, Trebuchet, Verdana, and Webdings. These fonts have been around for many years and see constant use in all sorts of publications, so they are great to have as an option on Ubuntu 22.04 Jammy Jellyfish.
How To Install Git on Ubuntu 22.04 LTS Jammy Jellyfish Linux
Git is a versioning control system, mainly used by programmers to issue changes to applications and keep track of the revisions. However, it’s also commonly used by everyday users, since they’re able to browse and download the source code and binaries of millions of applications from websites like GitHub and GitLab.
How to Update Ubuntu packages on Ubuntu 22.04 Jammy Jellyfish Linux
One of the main attractions of Ubuntu 22.04 has got to be the fact that the operating system and the software it runs are free. Unlike proprietary systems, software updates on Ubuntu 22.04 Jammy Jellyfish are absolutely free – you never have to worry about shelling out money for the latest and greatest applications or upgrades.
How to install PlayOnLinux on Ubuntu 22.04 Jammy Jellyfish Linux
PlayOnLinux is a graphical front end interface for Wine. And if you don’t know already, Wine is popular software that allows many Windows applications to run on a Linux system. The problem with Wine is that you sometimes have to do quite a bit of configuration to get a particular application to run; we even have quite a few guides about it on this site.
Top 10 Best Gnome extensions for Ubuntu 22.04 Desktop
GNOME extensions are small plugins created by the community to add extra features to and extend the functionality of the GNOME desktop environment. There are over 1,000 available for free download on GNOME’s extension page.