solr-setup.sh

1. Solr Server setup
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Use below link as a reference
https://www.webfoobar.com/node/16
https://valuebound.com/resources/blog/installing-configuring-apache-solr-520-with-drupal-7-using-search-api-ubuntu-1404

1. If Java is not installed, check the available versions of Java and install it:
  yum list available java*
  yum install java-1.8.0-openjdk.x86_64
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2. Then verify if it is already installed:
  which java
  java -version

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3. Set the default Java version to the latest using below command.
 sudo alternatives --config java

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4. Solr require system user named "solr" and we will create one:
  adduser solr

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5. Download and setup Solr server:
  a) Goto directory
  b) download
  c) unzip the folder.
  d) Copy install_solr_service.sh into opt directory
  e) Remove folder
  f) unzip the folder using sh file.

  cd /opt
  sudo curl -O http://www-us.apache.org/dist/lucene/solr/5.5.0/solr-5.5.0.tgz
  tar zxvf solr-5.5.0.tgz
  sudo cp /opt/solr-5.5.0/bin/install_solr_service.sh .
  sudo rm -rf solr-5.5.0
  sudo ./install_solr_service.sh solr-5.5.0.tgz

 a) add user to auto start solr server.
  sudo chkconfig --add solr
  chkconfig | grep solr

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Solr succesfully installed

# Increase SWAP space using following commands
# https://aws.amazon.com/premiumsupport/knowledge-center/ec2-memory-swap-file/