The Linux Compendium
Vitux 
As Linux users, we sometimes need to know what port number a particular process is listening on. All ports are associated with a process ID or service in an operating system. So how do we find this port? In this article, we will present three different methods that you can use to find out which … Read more
Ubuntu was originally a terminal-based operating system, but over time Linux slowly introduced the graphical user interface to its operating system. Nowadays, GUI methods are the only way to solve many problems with the operating system. We’ll show you some cool methods to shut down your system in Ubuntu like a pro! Ubuntu, like all … Read more
Many Java-based programs require the Java Runtime Environment (JRE) to run smoothly regardless of the operating system. For development, most IDEs like Eclipse and NetBeans require the Java Development Kit (JDK) on your computer. Whether you’re a newbie who wants to learn how to develop or an application you have installed requires a Java installation … Read more
As Ubuntu users, especially administrators, we need to check how much RAM resources our system uses and how much is free. We also know that most administrative tasks are better done from the Linux command line than from the graphical user interface. For example, servers usually work on the shell, with no graphical user interface. … Read more
The performance of a computer or server environment very much depends upon the system memory and disk usage. If something is consuming more disk space then it will lead to a system error. Likewise, increasing log file size must be controlled to reduce such risk. Logrotate was introduced as a system utility that rotates, compresses … Read more
We all know how important it is to use strong passwords for our systems, online accounts, and other sensitive applications. The real question is how you generate a password that you can rely on and that meets the criteria of a strong password. Ideally, a strong password must contain lowercase and uppercase letters, numbers, and … Read more
There are many free and open-source video players for Ubuntu. Most of them do the basic tasks pretty well and you won’t miss anything you know from Windows that you could use on Ubuntu. However, some players offer additional features and you can choose which one is best for you based on the feature list. … Read more
TLP is a free, open-source, and feature-rich utility for optimizing battery consumption on laptops running Ubuntu and other Linux distributions. You can find it in both CLI and GUI versions for your convenience. TLP comes with a default configuration that is pretty much perfect for your operating system and the underlying machine. All you need … Read more
If, like me, you like to do all your Ubuntu tasks from the command line, you’ll also be looking for ways to play audio files, especially mp3s, from the command line. In this article, we’ll tell you how to install and use the famous command-line program Sox to listen to mp3s in your terminal. We … Read more
NTP stands for Network Time Protocol. It is a protocol or service used to synchronize the clock of your client computers with the clock of a server. The server’s clock is also synchronized with the Internet. In this article, I’ll show you how to set up an NTP server in your environment and synchronize the … Read more