Tom2 wrote:
There could be a number of reasons for that.
Is your computer clock in sync with a time server?
Yep! ntpd is running and time seems solid. Any other possibilities? My yubikey is running 3.0.4 firmware, if that's relevant?
EDIT: It seemingly works fine if I add the account on Windows. The codes generated work afterwards on Linux as well.
Odd.
At any rate, I've updated the Arch Linux wiki on how to get the applet and desktop authenticator client installed. So for those on Linux, check it out
here. It's pretty straight forward.