1 解压 Eclipse luna到/opt
tar -zxvf eclipse-java-luna-SR1-linux-gtk-x86_64.tar.gz -C /opt
2 创建软链接
ln -s /opt/eclipse/eclipse /usr/bin/eclipse
3 创建一个Gnome 启动
vi /usr/share/applications/eclipse.desktop
添加如下代码：
[Desktop Entry]
Encoding=UTF-8
Name=Eclipse 4.4.1
Comment=Eclipse Luna
Exec=/usr/bin/eclipse
Icon=/opt/eclipse/icon.xpm
Categories=Application;Development;Java;IDE
Version=1.0
Type=Application
Terminal=0