I can recommend this guide [1] to setup your yubikey with gpg, which allows you to both use it to sign or encrypt with gpg and also to use it as an ssh key. [1

I can recommend this guide [1] to setup your yubikey with gpg, which allows you to both use it to sign or encrypt with gpg and also to use it as an ssh key. [1] https://github.com/drduh/YubiKey-Guide https://github.com/drduh/YubiKey-Guide