USB-C YubiKey 5C NFC Two-Factor Security Key | Yubico
Note: Using a YubiKey as a roaming authenticator (FIDO2) does not require the use of a slot on the YubiKey itself. Slots 1 and 2 are only required for OTP use.
sign_and_send_pubkey: signing failed: agent refused operation ...
On Linux distributions, download the YubiKey Manager or Yubico PIV tool, which both include the Linux smart card driver as a dependency.
Phần mềm YubiKey Manager - DigiBit
YubiKey có slot cấu hình (Short Touch và Long Touch). Công cụ này có thể định cấu hình xác thực Yubico OTP credentials, static password, call-response credentials, OATH HOTP credentials trong một hoặc cả hai slot này.