How to Install Apache Solr 9.0 on Debian 11/10

Apache Solr is an opensource search platform written in Java. Solr provides full-text search, spell suggestions, custom document ordering and ranking, Snippet generation, and highlighting.

This tutorial will help you to install Apache Solr 8.9 on Debian 11, Debian 10 Buster, Debian 9 Stretch, and Debian 8 Jessie systems.

• Install Apache Solr on CentOS, RedHat

Step 1 – Prerequsities

Apache Solr 8 required Java 8 or greater to run. Make sure your system fulfills the Java requirements of Apache Solr. If you don’t have java installed on your system visit the below articles.

sudo apt install default-java

Check the installed java version

java -version

openjdk version "11.0.4" 2019-07-16
OpenJDK Runtime Environment (build 11.0.4+11-post-Debian-1deb10u1)
OpenJDK 64-Bit Server VM (build 11.0.4+11-post-Debian-1deb10u1, mixed mode, sharing)

Step 2 – Install Apache Solr on Debian

Now download the required Solr version from its official site or mirrors. Or simply use the following command to download Apache Solr 9.0.

wget https://dlcdn.apache.org/solr/solr/9.0.0/solr-9.0.0.tgz

Now extract the Apache Solr service installer shell script from the downloaded Solr archive file and run the installer using the following commands.

tar xzf solr-9.0.0.tgz solr-9.0.0/bin/install_solr_service.sh --strip-components=2
sudo bash ./install_solr_service.sh solr-9.0.0.tgz

Step 3 – Manage Solr Service

Use the following commands to Start, Stop and check the status of Solr service.

sudo systemctl stop solr
sudo systemctl start solr
sudo systemctl status solr

Step 4 – Create First Solr Collection

After successful installation of Solr on your system. Create the first collection in Apache Solr using the following command.

sudo su - solr -c "/opt/solr/bin/solr create -c mycol1 -n data_driven_schema_configs"

Sample output:

Created new core 'mycol1'

Step 5 – Access Solr Admin Panel

Default Solr runs on port 8983. You can access the Solr port in your web browser and you will get a Solr dashboard.

  http://demo.tecadmin.net:8983/

Here you can view statics of created collection in previous steps named 「mycol1」. Click on 「Core Selector」 on the left sidebar and select created collection.

The above images are used from the older version but with the latest version, you will see the same screen.