The tutorial guides on how to delete, purge, or reinstall the Apache web server from Ubuntu 20.04|18.04. Deletion using ‘apt remove’ keeps configuration files, while ‘apt purge’ removes the server along with all settings and configuration files. Reinstallation, however, uses ‘apt reinstall’ to delete and reinstall the Apache packages without affecting any configuration files.

This tutorial guides students and new users on how to list or show all services running or stopped on Ubuntu 20.04 | 18.04 LTS. The guide explains the use of the systemctl command-line utility, which manages systemd services on Linux systems. The tutorial also includes instruction for starting, stopping, enabling, disabling, and checking service status,…

The tutorial guides users on how to upgrade their applications from PHP 7.4 or earlier versions to PHP 8.0. Prior to upgrading, users should ensure app compatibility and note currently installed PHP modules. The process of migration includes installing PHP 8.0 from external repositories, restarting PHP after installation, and configuring either Nginx or Apache servers…

The post offers a guide on how students and new users can disable the automatic screen lock on Ubuntu Linux for uninterrupted access. Although it advises against disabling the function in public locations for security reasons, it provides a step-by-step process for those who wish to do so, including instructions for turning off notification displays…

This tutorial explains how to install FFmpeg, a free multi-media framework, on Ubuntu. Users can install the stable version via Ubuntu’s default repositories but it may not be the latest one. Users wanting the latest version can utilize a third-party PPA repository or the Snap packaging system. Post-installation, FFmpeg allows conversion of multimedia files to…

This is a detailed guide on installing and configuring WildFly, a lightweight Java-based application runtime, on Ubuntu 20.04/18.04. The guide includes installing Java and OpenJDK, creating a service account for WildFly, downloading and configuring WildFly packages, making Wild automatically at boot time, and setting up a user account to manage the app server web console.…

The tutorial guides students and new users on installing Postman, a development platform for managing APIs, on Ubuntu 20.04 or 18.04. The user-friendly Postman supports major operating systems and benefits all stages of development. Installation is simple via Ubuntu’s Snappy package management system or the Ubuntu Software Center. A Postman account is required for managing…