Shell Script to install ElasticSearch on Ubuntu Server

ElasticSearchInstall.sh

### ElasticSearch version
if [ -z "$1" ]; then
  echo ""
  echo "  Please specify the Elasticsearch version you want to install!"
  echo ""
  echo "    $ $0 1.7.1"
  echo ""
  exit 1
fi

ELASTICSEARCH_VERSION=$1

if [[ ! "${ELASTICSEARCH_VERSION}" =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then
  echo ""
  echo "  The specified Elasticsearch version isn't valid!"
  echo ""
  echo "    $ $0 1.7.1"
  echo ""
  exit 2
fi


### Install Oracle Java 8, this means you agree to their binary license!!
cd ~
sudo add-apt-repository -y ppa:webupd8team/java
sudo apt-get update
echo debconf shared/accepted-oracle-license-v1-1 select true | sudo debconf-set-selections
echo debconf shared/accepted-oracle-license-v1-1 seen true | sudo debconf-set-selections
sudo apt-get install aptitude -y
sudo apt-get install curl -y
sudo aptitude -y install oracle-java8-installer

# manually ran these (java7 was installed so the /etc/init.d/elasticsearch script found it instead of java 8):
sudo update-java-alternatives -s java-8-oracle
sudo apt-get install oracle-java8-set-default

### Download and Install ElasticSearch
### Check http://www.elasticsearch.org/download/ for latest version of ElasticSearch and replace wget link below
wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-${ELASTICSEARCH_VERSION}.deb
sudo dpkg -i elasticsearch-${ELASTICSEARCH_VERSION}.deb


### Start ElasticSearch
sudo service elasticsearch start

sleep 10
echo "Now check: curl http://localhost:9200"