That's why you must do the remapping in both Windows host and Linux guest. And if you switch back to Windows, capslock might have been engaged as you used capslock-as-control in Linux guest. If you remap capslock to control in Linux guest only, it'll actually work! Except the capslock LED light will turn on/off with each click. What's wrong with remapping in Linux guest only? Capslock-T in Firefox still created new tabs! Works! But if you start typing, you'll notice things are in all caps until you tap capslock again, and vice versa. I did that for a while and didn't notice as I tested it inside Linux guest. If you remap capslock to control in Windows host only, it'll actually sort of work in the Linux guest - except in Linux, the capslock will now function as both capslock and control! What's wrong with remapping in Windows host only? Now a quick tap on the shift key should break that lock. This is needed because sometimes switching between Windows host and Linux guest, the capslock gets locked down. The third option makes shift key break capslock. Then the second option sets the capslock to control. The first blank '-option' clears any previously set. Setxkbmap -option -option caps:ctrl_modifier -option shift:breaks_caps So adding that to the Linux command for making capslock a control key, you'd get this command to run instead:

Set shift key to break capslock for greater reliabilityįor greater reliability, you should also set shift key to break capslock. Remap one key to another in Linux, like Capslock to Control.

Remap one key to another in Windows, like Capslock to Control.You basically have to do the remapping in both Windows and Linux. Now both host and guest Linux will have the remapping. If it was a Mac host, it'd be super easy: install and use Karabiner-Elements to remap capslock to control in the Mac host. Let's say you have Debian Linux guest OS in VirtualBox, running on a Windows 10 host.

Virtualbox host key remap