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Tuesday, April 13, 2021

Install Apache Solr 8.8 on Ubuntu 20.04

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Apache Solr is an open-source search platform developed in Java. Searching is a very important part of an application. When comes to searching terabytes of data it would be important to consider speed and availability. Solr provides a rich set of features for search.

Apache Solr Features

  • Distributed full-text search
  • Generates indexes of different file types including rich-text documents
  • Integration with big data tools
  • Scalability and Clustering

In this tutorial, we will cover the steps to install Apache Solr on Ubuntu 20.04.

Prerequisite

A user with sudo privileges.

Update Ubuntu system

Let us begin by checking for package updates with the command below.

$ sudo apt update

Install Java

Next, run the command below to verify that Java is installed. This is required because Solr is a Java-based software.

$ sudo java -version
Check Java version
Check Java version

If you do not get a similar output as shown in the image above, then try to install Java as follows.

$ sudo apt install default-jdk

Enter y to continue when prompted.

Download Apache Solr

At the time of writing, the most recent Apache Solr release is Solr 8.8.1.

Run the command below to download Apache Solr 8.8.1.

$ wget https://downloads.apache.org/lucene/solr/8.8.1/solr-8.8.1.tgz

Once downloaded, run the next command to extract the Apache Solr archive.

$ sudo tar -xvf solr-8.8.1.tgz

Install Apache Solr as a Service

Next, run the Solr as a service installation script with the command below.

$ sudo bash solr-8.8.1/bin/install_solr_service.sh solr-8.8.1.tgz

Once done, you should see an output similar to what is shown in the image below.

Apache Solr as a service
Apache Solr as a service

Run the next command to enable the Apache Solr service to start when the system boots.

$ sudo systemctl enable solr

Test Apache Solr

To test your Apache Solr installation, open a web browser and go to YourServerIP:8983.For example, 192.168.16.8:8983.

You should see the Apache Solr dashboard as shown in the image below.

Apache Solr dashboard
Apache Solr dashboard

Hereafter, there are so many things you could do with Solr. We suggest that you check out the Apache Solr reference guide which provides exercises that show the capabilities of Solr.

Conclusion

In this tutorial, we have shown you how to quickly install Apache Solr on Ubuntu 20.04. If you have any questions or ideas, the Apache Solr community is a great place to interact with other Solr users and developers.

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