Google Desktop Search in Linux!

Go to http://desktop.google.com/linux/ and download the version you need. .deb for Debian based (Debian, Ubuntu etc.) systems and .rpm for RPM based (Redhat, Mandriva etc.) systems. Doubleclick the downloaded file and install. After installation, run the command gdlinux. A dialogue box will pop up. Choose whether to enable advanced features. After this, google desktop icon will appear in the notification area. Right click it and select preferences to open it in your browser. After making changes, check index status.

Press Ctrl key two times to bring up Search window on desktop. Or rightclick google desktop icon and select 'Show Homepage'.