If you haven't already done so, gain an extra key and open up your System Preferences > Keyboard > Modifier Keys ... and rebind CAPSLOCK to No Action.
- Install PCKeyboardHack
- Open System Preferences > PCKeyboardHack
- Change "Caps Lock" to keycode
62
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Install KeyRemap4MacBook
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Open System Preferences > KeyRemap4MackBook > Misc & Uninstall
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Click "Open private.xml"
- Copy and Paste the private.xml provided with in this gist.
- Open System Preferences > KeyRemap4MackBook > Change Key
- Click "ReloadXML"
- Toggle open "TMUX Key Remappings"
- Check "TMUX: Right Control to Control+B
yeah! thanks dude.... this rocks!