ykman - YubiKey Manager CLI

Caution: you will need pcscd installed and running .

$ sudo apt install pcscd

Known issues: Pcscd: Communication protocol mismatch!

Ykman warnnings: WARNING: PC/SC not available. Smart card (CCID) protocols will not function. ERROR: Unable to list devices for connection

Ubuntu 24.10 and above or pcscd > 2.3.0 version will likely encounter this problem.
Details: https://github.com/Yubico/yubioath-flutter/issues/1725

Please try the edge channel build.

$ sudo snap refresh ykman --edge

Examples:

 List connected YubiKeys, only output serial number:

 $ ykman list --serials

 Show information about YubiKey with serial number 0123456:

 $ ykman --device 0123456 info

Please note that this is not a official maintained package. Use at your own risk.