DevOps and Development

Learn about the difference between Cassandra and MongoDB. These NoSQL databases have some similarities, but many more differences. Examine these factors and decide which database is better for you.

This article guides you through the Java installation process on Raspberry Pi. You will also learn how to set the system-wide Java version in use as well as define the JAVA_HOME path environment variable.

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.

Vim allows you to delete entire lines, words or characters using various Vim commands. Learn the most practical way to remove text by following this practical guide.

Speed up connecting to remote servers by enabling passwordless SSH login via public key authentication. In this guide you will learn how to set up and enable passwordless login.

This Spark tutorial shows how to get started with Spark. The guide covers the procedure for installing Java, Git, Scala, how to verify the installed dependencies, as well as the detailed procedure for installing Spark. The article contains the basic start and stop commands for master and slave servers.

Entrypoint is a Docker instruction used to set up the default executable when the container is run. You can override this instruction within the docker run command using a specific flag and command syntax.

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.

Complete guide on how to use crucial Vim commands - copying (yanking), cutting (deleting), and pasting (putting). There are different ways to navigate through text and edit content. Find out what these are and how to use them.

Docker is an important virtualization tool used for development. This is why it is important to get to know its command line interface. The first step is mastering the docker run command. There are many different ways to run a container. Learn all of them here.