If you are running gnome you need to restart gnome so that the vino-server is started automatically when enabling the remote desktop feature.
You can then configure vino via the following command :
Now you can connect remotely to your desktop via a VNC viewer like TightVNC. Remember to forward Port 5900 if you are behind a NAT and to allow the connection through iptables.
If you use some standalone wm like openbox and it doesn't work , you can start the vino-server manually or add the command to the wm autostart script
# /usr/lib/vino/vino-server &