How to delete credentials from a Yubikey
Requirements sudo apt-add-repository ppa:yubico/stable sudo apt update sudo apt install yubikey-manager Your YubiKey must have at least firmware 5.2.x. You can check this to open the YubiKey Manager app. If your YubiKey is lower than 5.2.x, then you can’t make use of this and you need to do a complete reset of your YubiKey. Procedure Type ykman fido list and enter your PIN to get a list of the credentials that are stored in your YubiKey....