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
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
Vim is a text editor used for effective text editing and is also known as an editor for programmers. It is a free open-source tool that supports many programming languages and is available with both a graphical user interface and a command line interface. Vim is used for editing the source code of large files … Read more
VPN or Virtual Private Network is an encrypted path between a device and a network over the internet. VPNs ensure the security of transmitted data by providing encrypted channels for data flow. In this way, communication between the two entities involved remains secure. It also prevents intruders from intercepting the data traffic from one end … Read more
When it comes to complex calculations, computer systems are considered a great invention. The reason for this is the inability of our brain to process and calculate large amounts of data. On the other hand, computer systems are efficient enough to perform lengthy calculations within a few seconds. These computer systems also have a special … Read more
The desktop light is set to blue by default so that we can see better. However, this blue light strains our eyes and we fall asleep quickly. Therefore, it is better to turn on the night light at night. Another disadvantage of blue light is that it affects the brain’s thinking, which tells us that … Read more