Tutorials

This tutorial guides on how to install Apache Cassandra, a free, open-source, scalable NoSQL database system, on Ubuntu 20.04 | 18.04. The process involves installing JAVA (specifically OpenJDK 8), adding the Apache Cassandra repository and key, and installing Cassandra. After the installation, the user can interact with Cassandra through the Cassandra Query Language (CQL).

This tutorial provides steps for installing Apache ActiveMQ, a free, Java-based, multi-protocol message broker software, on Ubuntu 20.04/18.04 server. The steps involve: installing Java; downloading ActiveMQ from the Apache Office package repository; creating a dedicated user and group for ActiveMQ; changing folder ownership; creating an ActiveMQ service; and modifying the default configuration file as per the environment.

The article provides methods for installing Ruby on Ubuntu Linux, a high-level programming language used in the Ruby on Rails Framework. The simplest way is via Ubuntu's built-in apt package manager, which usually offers the latest stable version. If you need a different version of Ruby, the article also offers guides on installation via Rbenv and RVM tools. Instructions for verifying the installation are included.

The post provides a detailed tutorial on how to install Docker and Docker Compose on Ubuntu Linux. Docker, a software platform developed by Docker Inc., allows system-level virtualization and runs applications as containers. Docker Compose is a tool used for defining and running multi-container Docker applications. Instructions are given for adding Docker's official GPG key and repository to Ubuntu, removing older versions, installing specific or latest versions of Docker, and finally installing Docker Compose.

The post illustrates how to install Microsoft Teams on Ubuntu Linux. The official Teams app is available to Linux users, marking the introduction of the first Microsoft 365 app on Linux. Users' can either download Teams'.DEB installer files for Debian and Ubuntu-based distributions, or install Teams quickly via the command terminal console.

This article provides a step-by-step guide to generating free wildcard SSL/TLS certificates using Let's Encrypt (Certbot) on Ubuntu. It covers installation of Certbot, the DNS challenge for domain validation, and certificate generation. It emphasizes the importance of automated renewals, backing up configurations, and supporting encryption initiatives.

This article explains how to install and use Yarn, a fast, reliable, and secure JavaScript dependency manager, on Ubuntu Linux. It provides step-by-step instructions on how to add the Yarn APT repository, authenticate packages, install Yarn, verify its installation, and even initiate a new Yarn project or upgrade dependencies. Additionally, it ensures the smooth operation of npm packages.

The article provides a comprehensive tutorial on how to install and use Python Pip on Ubuntu Linux. Pip, a Python package manager, is essential for installing, maintaining, and upgrading Python packages. The article provides detailed instructions on installing Pip for Python 3 and Python 2, using it to install Python packages, and creating a virtual environment to isolate projects.

This post provides a guide for students and new users on installing VMware Guest Machines Tools on Ubuntu guest machines to enhance performance. Aspects covered include the improved features offered by VMware Tools, the availability of these tools as open-source packages "Open VM Tools", and steps on installing the tools either via open-source or built-in tools from the VMware host software.

The text provides a tutorial on how to install and configure the WireGuard VPN Server on Ubuntu 18.04 or 20.04. Instructions include adding WireGuard's PPA repository to the system, generating a public and private key pair, routing VPN traffic, and setting up a client VPN software. It highlights Ubuntu as an accessible Linux operating system for beginners and describes WireGuard as an easy-to-install open-source VPN.

The tutorial guides users on installing and configuring OTRS Ticketing Systems on Ubuntu 18.04 | 16.04. It describes how to set up various components like the Apache2 HTTP Server, Perl, and the MariaDB database server. The tutorial also includes detailed instructions on downloading, setting up, and launching OTRS. Lastly, the guide directs the user to secure the MariaDB server. Finally, OTRS is recommended for its efficiency, flexibility, and ease of migration from other ticketing platforms.

The tutorial presents a detailed guide on installing GLPI IT Service Management (ITSM) software on Ubuntu 18.04 | 16.04 with the Nginx HTTP server. GLPI is an open-source ITSM platform built with PHP. It offers features like automated inventory discovery, asset lifecycle management, and incident management. The tutorial also provides instructions to install required packages like Nginx HTTP, MariaDB Database Server, and PHP 7.2-FPM, and to prepare a GLPI database.