It’s possible with a MIDI keyboard: MIDI Command Server 
For a regular keyboard, you can make use of the same scripts, to hook them up to the keyboard input.
It’s tricky though, as the keyboard by default is used by a login prompt.
It’s possible with a MIDI keyboard: MIDI Command Server
For a regular keyboard, you can make use of the same scripts, to hook them up to the keyboard input.
It’s tricky though, as the keyboard by default is used by a login prompt.