YubiKey Manager - configure YubiKeys. If there are multiple YubiKeys connected, you have to add
--device serial_number
before a subcommand. More information: https://docs.yubico.com/software/yubikey/tools/ykman/index.html.
ykman info
ykman list
tldr ykman config
tldr ykman fido
tldr ykman oath
tldr ykman openpgp