Keyboard types control characters after using nano

[caffemocha]

Hi,

I was editing a file in nano and after saving and exiting to the command line, any letter I type looks like this:

^S ^U ^D ^0

The only way to get my keyboard back is to restart the server.

Specs:
CentOS 7 minimal in a QEMU virtual machine

[TrevorH]

Your Ctrl and/or caps keys appear to be stuck on.