Passwords
One time passwords Mobile
Download the app 'authenticator' from the appstore or playstore.
- Insert your Yubikey in your phone.
- Right top, tap the + sign
- Add your OTP key
One time passwords Desktop
Download the app 'authenticator' from the website
- Insert your Yubikey in your computer.
- Right top, tap the + sign.
- Add your OTP key.
More information
https://wiki.archlinux.org/index.php/YubiKey A lot of information about linux and yubikey.