nstall these packages:

apt-get install gnome-panel gnome-settings-daemon metacity nautilus gnome-terminal

Use this ~/.vnc/xstartup file:

#!/bin/shexport XKL_XMODMAP_DISABLE=1unset SESSION_MANAGERunset DBUS_SESSION_BUS_ADDRESS[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresourcesxsetroot -solid greyvncconfig -iconic &gnome-panel &gnome-settings-daemon &metacity &nautilus &gnome-terminal &

 

 轉自：http://askubuntu.com/questions/518041/unity-doesnt-work-on-vnc-server-under-14-04-lts