Connect Gertie006 to Berry02

Install server software on remote host (Berry0x)
sudo apt-get install tightvncserver
https://www.raspberrypi.org/documentation/remote-access/vnc/
vncserver :0 -geometry 1920x1080 -depth 24


and client software on Gertie006
sudo apt-get install xtightvncviewer
xtightvncviewer 192.168.1.72:0