Run the following command via CLI:
Step 1: Create index folder:
mkdir /var/solr/data/doc
mkdir /var/solr/data/doc/index
mkdir /var/solr/data/doc/conf
mkdir /var/solr/data/doc/data
Step 2: Copy config file to: /var/solr/data/doc/conf
Step 3: Creat solr core on solr server, run these command via CLI
cd /opt/solr
sudo -u solr ./bin/solr create -c testcore1