The KDE desktop environment is highly customizable, including the GUI’s lock screen. The lock screen can be configured and customized via the GUI’s settings menu or from a configuration file via the command line. In this tutorial, you will learn various ways to customize the desktop lock screen in the KDE desktop environment on a Linux system.
Nearly every Linux distribution these days uses the
sudo utility as a way to grant non-privileged users the ability to execute commands as privileged root users. You may have noticed that after entering your sudo password once, you can continue to execute commands without needing to re-enter it for five minutes. We can even extend this convenience by allowing any sudo commands to be executed without a password.
Puppet is a powerful tool to automate server configuration, deploy updates or other configuration, and manage multiple systems at once. Puppet also has its own programming language, which is easy to understand even for inexperienced programmrs. The application is free, open source, and can be installed on Ubuntu Linux.
Setting your keyboard layout should be one of the first things users do when installing or setting up their Linux system. Every system will come with a slew of preconfigured layouts for various languages or preferences. But what if you want to take it a step further and modify a layout to your liking?
Master PDF editor is a powerful tool to create or edit existing PDF documents. The Master PDF editor is not available for Ubuntu via standard repository, but you can keep reading to find out how to install this software on Ubuntu Linux. Installing Master PDF editor will not only allow you to open and view PDF documents, but modify them and save your changes as well.
The purpose of this tutorial is to show how to convert
.ogg Ogg Vorbis audio files into
.mp3 format. This can be done with a couple of different tools via the command line on all major Linux distros. You will also see how to batch convert files in case you have many audios to convert at once.
Epoch time is a convention used on Unix and Linux systems that many applications rely on for calculating time between dates and other similar functions. Some Linux commands like
perl have an epoch option built in. An epoch denotes the number of seconds that have passed since the date January 1st, 1970.
The Linux kernel sits at the core of all Linux systems, including thousands of GNU/Linux distributions, the Android mobile operating system, and tons of embedded systems, networking devices, etc. Its popuarity and ubiquity can be credited to the fact that it is free and open source. Anyone can download the Linux kernel, make changes to it if they wish, and compile it for their own commercial or private use.