The Linux Compendium
Configuration files contain the information needed to control the operation of a program. Linux users, especially Linux administrators, need to know how to edit configuration files to maintain an Ubuntu server or desktop. Configuration files on Ubuntu are stored in subdirectories of the /etc folder as text files and can be edited with text editors. … Read more
Opening folders in Ubuntu is one of the basic tasks you will perform daily as a regular Ubuntu user. While there are many ways to do it, each of us has our own preferences when it comes to accessing folders in our system. In this article, we’ll explain several ways you can: Open a Folder … Read more
If you have more than one user on your Linux system, you may not want all of them to perform administrative tasks or mess up private system settings. In this case, you can avoid giving these users administrative rights in Ubuntu. Unauthorized users won’t be able to install or uninstall software on your system, and … Read more
It is common practice for users to have to provide authentication information in order to log on to a Linux system. This helps protect sensitive or personal files, emails, and other data that reside on your system from any physical intrusion. However, if your system is in an already secure location that is free from … Read more
Nowadays, everything takes place on the Internet. It is not wrong to say that “the Internet has become the basic requirement for our lives”. And the Internet is a network of networks that are interconnected. To surf the Internet, you should know the basics of a network and how to connect your local network to … Read more
When you connect a USB drive to our system, it is usually mounted automatically and a directory with your user name is created under the media folder. You can also access it through your system’s file manager. Unfortunately, this is not always the case; sometimes, you need to manually mount the USB drive in your … Read more
As a system administrator, you can create and manage groups for the user accounts on your Linux system. This way, you can assign administrative & configuration rights to Ubuntu users and files & folder access permissions to an entire group rather than a single user at a time. Sometimes you might need to know which … Read more
Netplan is the Ubuntu network configuration tool in all recent Ubuntu versions. Netplan is based on a YAML-based configuration system that simplifies the configuration process. It has replaced the old /etc/network/interfaces configuration file we used to configure network interfaces in Ubuntu and other Linux distributions. In this tutorial, you will learn how to configure networks … 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
C is one of the world’s oldest, most widely-used programming languages. It has been used to develop countless applications, from operating systems to embedded devices. Even today, many developers still rely on C for its flexibility and reliability as a programming language. The C Programming Language C is a highly portable language. This means that … Read more