Configuring Yubikey Touch

 Steps:

• Download Yubikey Manager
• Use the following commands to check the status:

ykman openpgp info

ykman openpgp set-touch aut on # or off

ykman openpgp set-touch sig on # or off

ykman openpgp set-touch enc on # or off

src: https://github.com/drduh/YubiKey-Guide#require-touch