Eclipse Install on Ubuntu
To install eclipse on ubuntu you need to download it first from http://www.eclipse.org/downloads/
Extract the downloaded file by right click on it and extract here or running the following:
tar xzf dir/eclipse-SDK-3.3.1.1-linux-gtk.tar.gz
tar xzf dir/eclipse-SDK-3.3.1.1-linux-gtk.tar.gz
Where eclipse-SDK-3.3.1.1-linux-gtk is your eclipse-SDK name with version and dir is the directory of eclipse-sdk.