Install ElasticSearch on Ubuntu 11.04

es.sh

cd ~
sudo apt-get update
sudo apt-get install unzip curl python-software-properties -y
wget https://raw.github.com/flexiondotorg/oab-java6/master/oab-java6.sh -O oab-java6.sh
chmod +x oab-java6.sh
sudo ./oab-java6.sh
sudo apt-get update
sudo apt-get install sun-java6-jre sun-java6-plugin -y

wget https://github.com/downloads/elasticsearch/elasticsearch/elasticsearch-0.18.7.tar.gz -O elasticsearch.tar.gz
tar -xf elasticsearch.tar.gz
rm elasticsearch.tar.gz
sudo mv elasticsearch-* elasticsearch
sudo mv elasticsearch /usr/local/share

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

#curl http://localhost:9200 

wget result is 404 not found