Most easily explained with an example.
On my windows machine in cygwin I start the x server with:
matthew@cygwin $ startxwin
Then I ssh to my linux mint machine with X forwarding
matthew@cygwin $ ssh -Y mint-server
Then I want to start cinnamon
matthew@mint-server $ cinnamon
It then takes a really long time to start up because it's trying to forward my screen at 1080p. I'm hoping I can improve performance a lot by forcing the resolution lower (640x480) since I just need to some very basic things in the gui and 640x480 would be enough for me.
So, where can I set the resolution of fullscreen applications through the x server?