This post shows different use cases for a Yubikey. There are also command line examples in a cheatsheet like manner. I’m using a Yubikey 5C on Arch Linux. If you run into issues, try to use a newer version of ykman (part of yubikey-manager package on Arch). kmille@linbox:~ ykman --version YubiKey Manager (ykman) version: 4.0.9…