This is how I installed ElasticSearch on my Ubuntu box
sudo apt-get install openjdk-7-jre-headless -ysudo wget -O - http://packages.elasticsearch.org/GPG-KEY-elasticsearch | sudo apt-key add -
Add the following line to /etc/apt/sources.list
deb http://packages.elasticsearch.org/elasticsearch/1.3/debian stable main
sudo apt-get update
sudo apt-get install elasticsearch
sudo update-rc.d elasticsearch defaults 95 10
sudo /etc/init.d/elasticsearch start
curl http://127.0.0.1:9200
{
"status" : 200,
"name" : "Kiber the Cruel",
"version" : {
"number" : "1.3.2",
"build_hash" : "dee175dbe2f254f3f26992f5d7591939aaefd12f",
"build_timestamp" : "2014-08-13T14:29:30Z",
"build_snapshot" : false,
"lucene_version" : "4.9"
},
"tagline" : "You Know, for Search"
}