[Glen]’s project sounds perfectly straightforward: have a big industrial-style push button act as a one-key USB keyboard ... one-button screen lock on a Linux box running a virtual machine ...

You can easily set up a USB lock mechanism as the program provides ... down and then hit the ‘Create k3y file’ button. A hidden encrypted key file will be generated and saved on the USB ...

But I prefer to use the free third-party app USB Raptor, which gives me a little more control over how my key works. ・Get a USB flash drive without any files loaded on it. I’m using the ...

However, you might not want to buy a dedicated security key like a YubiKey or a Thetis FIDO U2F. However, have you considered ...