APT vs APT-GET: What’s the Difference?


Since Linux introduced the apt command line tool with the Ubuntu 16.04 release, many users wondered what the difference between apt and apt-get is. Learn why the apt command was created, when to use it and how it differs from the apt-get command.

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How to Install Apache Hive on Ubuntu


This tutorial shows you how to install, configure, and perform basic commands in Apache Hive. Improve your Hadoop cluster by allowing it to communicate with relational databases conveniently.

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How to Fix Could not get lock /var/lib/dpkg/lock Error on Ubuntu


This tutorial lists the steps that will help you fix the E: Could not get lock /var/lib/dpkg/lock error you may get on Ubuntu while trying to install an application. In some cases waiting helps, but in other, you may have to try one of the methods…

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How to Install Ubuntu 20.04 LTS Desktop (Focal Fossa)


This article helps you install Ubuntu 20.04 on your machine. The latest Ubuntu Focal Fossa was released on April 23, 2020 and is a LTS release. The release will receive support and updates until April 2025.

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How to Install Hadoop on Ubuntu 18.04 or 20.04


This detailed guide shows you how to download and install Hadoop on a Ubuntu machine. It also contains all the configuration files you need to set up Hadoop in a single-node cluster. Find out how to access and manage your new cluster using a…

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How to Upgrade to Ubuntu 20.04


Ubuntu 20.04 (Focal Fossa) is the newest Ubuntu LTS release. You can upgrade to the latest release from an existing 18.04 or 19.10 system in a couple of simple steps.

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How to Install Jenkins on Ubuntu 18.04


Learn how to install Jenkins on Ubuntu 18.04. This software package is used to automate parts of the build, testing, delivery, and deployment of software. Jenkins uses the Java Runtime Environment (JRE) and supports continuous integration (CI) and…

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How to Install Elasticsearch on Ubuntu 18.04


Elasticsearch is an open-source engine that enhances searching, storing and analyzing capabilities of your computing environment. Follow the steps in this tutorial to install Elasticsearch on your Ubuntu machine.

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How to Install Ubuntu Mate on Raspberry Pi 2 or 3


This guide lists all the steps necessary to install Ubuntu MATE on your Raspberry Pi. This includes downloading an image, formatting your SD card, and using Etcher.

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How to Remove Old Kernels on Ubuntu 16.04, 18.04, & 19.04


There are several methods to remove old or unused kernels. It’s also considered good system hygiene practice to prune out old files and dependencies. This guides shows you how to do delete old Linux kernels in a couple of simple steps.

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