vncserver -kill :1
= Setup TimedLogin
TimedLogin is useful if you want to run a headless HDA and enjoy the benefits that VNC provides without having to login from the command line via SSH and manually starting X.
Add the following to the file /etc/gdm/custom.conf
<pre>
[daemon]
TimedLoginEnable=true
TimedLogin=<username>
</pre>
= Troubleshooting for Vista =
This helpful page has helped with [http://www.windowsreference.com/internet-explorer/windows-has-blocked-this-software-because-it-cant-verify-the-publisher/ blocking VNC]