install Eclipse juno (3.7) on Ubuntu 11.04

1) Download Eclipse. eclipse-SDK-3.7-linux-gtk-x86_64.tar.gz

2) Extract it

tar xzf eclipse-SDK-3.7-linux-gtk-x86_64.tar.gz

Or just be lazy and Right Click > Extract Here 3) Move to /opt/ folder

mv eclipse /opt/
sudo chown -R root:root eclipse
sudo chmod -R +r eclipse

4) Create an eclipse executable in your path Change the current directory to cd /opt

sudo touch /usr/bin/eclipse
sudo chmod 755 /usr/bin/eclipse
sudo nano /usr/bin/eclipse

copy this into nano

#!/bin/sh
#export MOZILLA_FIVE_HOME="/usr/lib/mozilla/"
export ECLIPSE_HOME="/opt/eclipse"

$ECLIPSE_HOME/eclipse $*

save the file (^O = Ctrl+o) and exit nano (^X = Ctrl+x) 5) Create a gnome menu item

sudo nano /usr/share/applications/eclipse.desktop

copy this into nano

[Desktop Entry]
Encoding=UTF-8
Name=Eclipse
Comment=Eclipse IDE
Exec=eclipse
Icon=/opt/eclipse/icon.xpm
Terminal=false
Type=Application
Categories=GNOME;Application;Development;
StartupNotify=true

save and exit nano 6) Launch Eclipse for the first time

/opt/eclipse/eclipse -clean &

Source Blog : http://colinrrobinson.com/technology/install-eclipse-ubuntu/