Ubuntu
Ubuntu installation, desktop and server setup, package management, and troubleshooting.
How to Install Slack on Ubuntu 20.04
This guide shows two ways of installing Slack on Ubuntu 20.04. Slack can be installed as a snap package via the Snapcraft store, or as a deb package from the Slack repositories.

How to Add and Remove Users on Ubuntu 20.04
Knowing how to add and remove users is one of the basic skills a Linux user should know. This article explains how to add and remove user accounts on Ubuntu 18.04.

How to Install and Configure Fail2ban on Ubuntu 20.04
This article describes how to install and configure Fail2ban on Ubuntu 20.04. Fail2ban is a tool that helps protect your Linux machine from brute-force and other automated attacks by monitoring the services logs for malicious activity.

How to Install Postman on Ubuntu 20.04
This article guides you through the installation of Postman on Ubuntu 20.04. Postman is available as a native app (built on Electron) for all major operating systems, including macOS, Linux, and Windows.

How to Install Apache Cassandra on Ubuntu 20.04
This article guides you through the installation of Apache Cassandra on Ubuntu 20.04.

How to Install Tor Browser on Ubuntu 20.04
This article describes how to install Tor web browser on Ubuntu 20.04. Tor Browser is a customized version of Firefox that routes the web traffic through the Tor network, making it private and anonymous.

How to Install Sublime Text 3 on Ubuntu 20.04
This article explains how to install Sublime Text 3 on Ubuntu 20.04. Sublime Text is a popular text and source code editor for web and software development.

How to Install CouchDB on Ubuntu 20.04
This article covers the steps of installing the latest version of CouchDB on Ubuntu 20.04. Apache CouchDB is a free and open-source NoSQL database developed by the Apache Software Foundation.

How to Install Nagios on Ubuntu 20.04
Nagios is a popular open-source monitoring system. This article explains how to install Nagios on Ubuntu 20.04.

How to Set Up SSH Keys on Ubuntu 20.04
This article explains how to generate SSH keys on Ubuntu 20.04 systems. We'll also show you how to set up an SSH key-based authentication and connect to remote Linux servers without entering a password.

Secure Nginx with Let's Encrypt on Ubuntu 20.04
This tutorial explains how to install a free Let's Encrypt SSL certificate on Ubuntu 20.04 running Nginx as a web server. We’ll also show how to configure Nginx to use the SSL certificate and enable HTTP/2.

How to Install Jenkins on Ubuntu 20.04
This article explains how to install Jenkins on Ubuntu 20.04. Jenkins is an open-source automation server that can be used to easily set up continuous integration and continuous delivery (CI/CD) pipelines.

How to Install Memcached on Ubuntu 20.04
This article shows how to install and configure Memcached on Ubuntu 20.04. Memcached is a free and open-source high-performance in-memory key-value data store.

How to Install Gradle on Ubuntu 20.04
In this tutorial we will show you how to install Gradle on Ubuntu 20.04. We'll download the latest release of Gradle from their official website.

How To Set Up Nginx Server Blocks on Ubuntu 20.04
This article describes how to set up Nginx server blocks on Ubuntu 20.04. A server block is an Nginx directive that defines settings for a specific domain, allowing you to run more than one website on a single server.

Secure Apache with Let's Encrypt on Ubuntu 20.04
In this tutorial, we'll provide a step by step instructions about how to secure your Apache with Let's Encrypt using the certbot tool on Ubuntu 20.04.

How to Install Steam on Ubuntu 20.04
Steam is a cross-platform entertainment platform developed by Valve Corporation for purchasing and playing video games. This article explains how to install the Steam client on Ubuntu 20.04.

How to Install MongoDB on Ubuntu 18.04
MongoDB is a free and open-source document database. In this tutorial, we will cover the process of installing and configuring the latest version of MongoDB Community Edition on Ubuntu 18.04.

How to Install OpenCV on Ubuntu 20.04
This article describes how to install OpenCV on Ubuntu 20.04. OpenCV is an open-source computer vision library with bindings for C++, Python, and Java.

How to Install Elasticsearch on Ubuntu 20.04
This guide explains how to install Elasticsearch on Ubuntu 20.04. Elasticsearch is an open-source distributed full-text search and analytics engine.
