Commenting out auth required pam_google_authenticator.so nullok in /etc/pam.d/sshd removes the duplicate challenge. ... <看更多>

I wanted to log in to my Gmail account from my laptop, and usually I receive a verification code to my phone number, sent by "Google". ... <看更多>

... <看更多>

The only 2-step verification options I have is for either using Google authenticator, or for receiving a call with the code. ... <看更多>