How To Install Apache Cassandra on CentOS 8

In this tutorial, we will show you how to install Apache Cassandra on CentOS 8. For those of you who didn’t know, Apache Cassandra is a free and open-source NoSQL database. Cassandra consistently outperforms popular NoSQL alternatives in benchmarks and real applications, primarily because of fundamental architectural decisions. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Apache Cassandra is used by many companies that have large, active data sets, including Reddit, NetFlix, Github, and many more.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of Apache Cassandra on a CentOS 8.

Prerequisites

• A server running one of the following operating systems: CentOS 8.
• It’s recommended that you use a fresh OS install to prevent any potential issues.
• SSH access to the server (or just open Terminal if you’re on a desktop).
• A non-root sudo user or access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Apache Cassandra on CentOS 8

Step 1. First, let’s start by ensuring your system is up-to-date.

sudo dnf clean all
sudo dnf update

Step 2. Installing Java.

Cassandra requires that the latest version of Java 8, Run the following command to install Java on the CentOS system:

sudo dnf install java-1.8.0-openjdk-devel

Check the version of Java is installed by running the following command:

java -version

Step 3. Installing Apache Cassandra on CentOS 8.

Now we add the Apache Cassandra repository to the /etc/yum.repos.d/cassandra.repo:

sudo nano /etc/yum.repos.d/cassandra.repo

Ensure to save before closing:

[cassandra]
name=Apache Cassandra
baseurl=https://www.apache.org/dist/cassandra/redhat/311x/
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://www.apache.org/dist/cassandra/KEYS

Next, install Apache Cassandra by issuing the command below:

sudo dnf install cassandra

Once the installation is completed, start and enable the Cassandra service:

sudo systemctl start cassandra
sudo systemctl enable cassandra

In these steps, you have done installed Apache Cassandra on the CentOS system, You can read the documentation of Apache Cassandra for more information.

Congratulations! You have successfully installed Apache Cassandra. Thanks for using this tutorial for installing Apache Cassandra on CentOS 8 systems. For additional help or useful information, we recommend you to check the official Apache Cassandra website.