es.sh

cd ~
sudo apt-get update
sudo apt-get install openjdk-7-jre-headless -y

### Check http://www.elasticsearch.org/download/ for latest version of ElasticSearch and replace wget link below

wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.1.1.deb
sudo dpkg -i elasticsearch-1.1.1.deb

curl -L http://github.com/elasticsearch/elasticsearch-servicewrapper/tarball/master | tar -xz
sudo mv *servicewrapper*/service /usr/share/elasticsearch/bin/
rm -Rf *servicewrapper*
sudo /usr/share/elasticsearch/bin/service/elasticsearch install
sudo ln -s `readlink -f /usr/share/elasticsearch/bin/service/elasticsearch` /usr/local/bin/rcelasticsearch

sudo service elasticsearch start
#curl http://localhost:9200

I use this (modified) gist originally from Aaron Shafovaloff to install Elastic Search on my Ubuntu 12.04 server