How To Install Apache Solr 7.5 on Ubuntu 18.04 & 16.04 LTS

Apache Solr is an open source search platform written on 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 7.5 on Ubuntu 18.10, 18.04, 17.10, 16.04, 14.04 systems.

• Install Apache Solr on CentOS, RedHat

Step 1 – Verify Java

Apache Solr 7 required Java 8 or greater to run. Make sure your system fulfill Java requirements of Apache Solr. If you don’t have java installed on your system visit below articles.

java -version

java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)

If you don’t have java installed, Use this tutorial to install Java.

Step 2 – Install Apache Solr on Ubuntu

Now download the required Solr version from its official site or mirrors. Or simply use the following command to download Apache Solr 7.5.0.

cd /opt
wget http://www-eu.apache.org/dist/lucene/solr/7.5.0/solr-7.5.0.tgz

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

tar xzf solr-7.5.0.tgz solr-7.5.0/bin/install_solr_service.sh --strip-components=2
sudo bash ./install_solr_service.sh solr-7.5.0.tgz

Step 3 – Start / Stop Solr Service

Solr is configured as a service on your system. You can simply use the following commands to Start, Stop and check the status of Solr service.

sudo service solr stop
sudo service solr start
sudo service solr status

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 Solr port in your web browser and you will get Solr dashboard.

  http://svr1.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.