If you can access SSH on your robot, you can use any Linux command. The command hostnamectl should show you the version.
You can find tutorials on how to set up X11VNC (free VNC server) in Linux by searching on Google. 
To back up the SD-card through FTP (network protocol like SSH), you can follow this article: https://s3-eu-west-1.amazonaws.com/ur-support-site/15375/Replacing%20Flashcard%20in%20CB3%20robots.pdf