Using U2F key for sudo authentication

I got my U2F key for use with online accounts. It is cheaper than the popular Yubikey and it works well. Did you know you can use it for sudo or pam authentication? Here is how.

Use oathtool to generate 2FA code

In this example, I’ll be using the oathtool on Ubuntu to generate 2FA code. I’ll be using this for 2FA authentication against AWS access.