First, turn on two-factor authentication for the account. You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key. Whenever you're ...
Ever since it came out, Google Authenticator has been a popular choice for generating two-factor authentication codes on the fly. The service is reliable and secure, but has always had one glaring ...
HowToGeek on MSN
How to Set Up Two-Factor Authentication on Ubuntu
Did you know that it’s possible to require two-factor authentication (2FA) to log into user accounts on any Ubuntu system?
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