We are now going to activate the “Apache Solr Search Integration” Drupal module on the second remote Ubuntu server.

Using your internet browser go to http://yourdomainnamehere.com/user
Login Drupal using your Drupal administrator account. This is the user #1.
Navigate to ADMINISTER > SITE BUILDING > MODULES
Enable the following three modules:
1. Search
2. Apache Solr framework
3. Apache Solr search

Note: The other Solr modules are optional.

Click on SAVE CONFIGURATION button.

You have successfully activated the “Apache Solr Search Integration” Drupal module on the second remote Ubuntu server.