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This article describes how to add and remove users on Debian 12. If you’re a Linux user, it’s crucial to have basic skills like adding and removing users. This makes your system more secure by ensuring only authorized users can access protected resources and perform specific actions.

Swap is a space on a disk drive that is used when the amount of physical RAM memory is full. When a Linux system runs out of RAM, it moves the inactive pages from the RAM to the swap space. Swap space can take the form of either a dedicated swap partition, a swap file, or a combinaton of partitions and files. Generally, when running Ubuntu on a virtual machine, a swap partition is not present, and the only option is to create a swap file.

This guide covers the step-by-step process of installing MongoDB on Ubuntu.

Learn how to upgrade Debian 11 to Debian 12 “bookworm” via the command line.

This guide describes how to install various versions of Java on Ubuntu 22.04.

This article will explain how to build Python from the source code on Ubuntu 22.04.

This article explains how to install and configure Tomcat 10 on Ubuntu 22.04. Apache Tomcat is an open-source web server and Java servlet container. It is one of the most popular choices for building Java-based websites and applications.

Pip is a package manager for Python used to install, upgrade, configure and manage project dependencies.

In this post, we will explore three different ways of installing Node.js and npm on Ubuntu 22.04.

This article shows how to upgrade your Debian 10 Buster system to Debian 11, Bullseye via command line.

The Internet Protocol (IP) is a set of rules that specifies addressing and routing the data between computers. This article explains the Internet Protocol and how IPv6 differs from IPv4.

Are you worried about the WordPress White Screen of Death? Then here are some practical ways to solve such errors and best practices to avoid WSOD.

String reversal is not a common operation in programming and is generally used is in coding interviews. This article goes through several different ways to reverse a string in Python.

grep is a powerful command-line tool that is used to search one or more input files for lines that match a regular expression and writes each matching line to standard output. In this article, we’re going to show you how to exclude one or multiple words, patterns, or directories when searching with grep.

Gitea is a fast and easy-to-use self-hosted git server written in Go. It includes a repository file editor, project issue tracking, user management, notifications, built-in wiki, and much more. This article explains how to install and configure Gitea on Ubuntu 20.04.

In Linux, file permissions, attributes, and ownership control the access level that the system processes and users have to files. This ensures that only authorized users and processes can access specific files and directories.

NFS or Network File System is a distributed file system protocol that allows you to share directories over a network. With NFS, you can mount remote directories on your system and work with the files on the remote machine as if they were local files.

Virtual Network Computing (VNC) is a graphical desktop sharing system that allows you to use your keyboard and mouse to control another computer remotely. It is an open-source alternative to the Microsoft remote desktop protocol (RDP). This article explains how to install and configure a VNC server on Ubuntu 20.04. We’ll also show you how to securely connect to the VNC server through an SSH tunnel.

Asterisk is a popular open-source PBX platform for developing communications applications such as conference servers and VoIP gateways. It is used by individuals, small businesses, large enterprises, and governments worldwide.

This article describes how to install and configure an FTP server on Ubuntu 20.04 that you use to share files between your devices.