How to Show or Hide Line Numbers in Vim

Line numbers in Vim explained

Vim is a powerful and highly configurable command line editor that comes installed with most Linux operating systems. It offers many useful features for editing and configuration of files. However, some of its useful features are disabled by default. One of them is line numbering. With Vim line numbering features, you can display line numbering … Read more

How to Shut Down Ubuntu

Shut down Ubuntu

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

Nginx Performance Tuning

Nginx performance tuning

Nginx is a free open-source web server with high performance and low weight, used as a load balancer, reverse proxy, HTTP cache and mail proxy. Although Nginx is quite new compared to other web servers, its popularity is increasing due to its high performance. With the default configuration of Nginx, you may get fast performance, … Read more

How to Restart Network on Ubuntu 22.04

Ubuntu Network Restart

Whenever a problem occurs with the system, the main solution is to perform a restart or reboot the system. Similarly, if a problem occurs with the network, then its easy treatment is to restart the network. There are many scenarios where you may need to restart the network on Ubuntu like settings of the network … Read more

How to install PHP 5.6, PHP 8.0 and PHP 8.1 on Ubuntu 22.04 LTS

Ubuntu 22.04 PHP Versions

PHP is a recursive acronym for Hypertext Processor. It is an open-source general-purpose scripting language that is widely used in web development because of its ability to be embedded in HTML. A scripting language is used to write pre-written programs that are later used to automate tasks. PHP scripts are commonly used on Linux, Unix, … Read more

8 Ways to Generate a Random Password on Linux Shell

Linux random password generator

A strong password is very important when you authenticate to a service with a username and password. Sometimes you need to protect your account or server and try to keep your data safe. It is often said that a strong password must have at least 14 characters, with variations such as lower and upper case … Read more

How to Change sudo Password in Ubuntu 22.04

Change sudo password in Ubuntu

If you are a new Ubuntu admin user, you may want to know how to change the password in Ubuntu Linux Server from the bash shell or command line. After all, it is a good security practice to change passwords for every user, especially the SuperUser who can perform all sensitive operations in Ubuntu. Only … Read more

How to Format a USB drive in Ubuntu

Format USB Drive on Ubuntu

It happens every now and then that we need to format a USB drive to change the file system, delete the data completely or get rid of a virus that has infected it. There are several ways to format a USB drive, and we’ve listed a few of them in this article so you can … Read more

How to use the Linux mtr (My Traceroute) command

Linux MTR Command

What is the mtr command? Mtr (my traceroute) is a command-line network diagnostic tool that provides the functions of the ping and traceroute commands. It is a simple and cross-platform tool that outputs information about the entire route that network packets take from the host system to the specified destination system. The mtr command is … Read more