How do I set the keyboard layout to Colemak for X11-forwarding?

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http://askubuntu.com – I have x11-forwarding set up from an ubuntu 12.04 vm to my (windows) laptop. It works, but when I type in the forwarded applications, it is using the qwerty layout and I would like it to use colemak. I would like a command-line solution since I don't have the GUI installed in the vm. I have tried setxkbmap -v us -variant colemak, but I get "Error loading new keyboard description": $ setxkbmap -v us -variant colemak Warning! Multiple definitions of keyboard layout Using command line, ignoring X server Warning! Multiple definitions of layout variant Using command line, ignor (HowTos)