Hacker News
- How to Set Up Two-Factor Authentication for Login and Sudo https://www.linux.com/learn/how-set-2-factor-authentication-login-and-sudo 38 comments
- Seeking advice on setting up two-factor authentication https://www.reddit.com/r/apple/comments/6xcs5m/seeking_advice_on_setting_up_twofactor/ 6 comments apple
- Setting up two-factor authentication on your Raspberry Pi https://www.raspberrypi.org/blog/setting-up-two-factor-authentication-on-your-raspberry-pi/ 23 comments raspberry_pi
- How to set up SSH two-factor authentication for Raspberry Pi https://youtu.be/krRskVc3s4c 7 comments raspberry_pi
- Twitter Reportedly Set To Introduce Two-Factor Authentication http://www.guardian.co.uk/technology/2013/feb/04/twitter-authentication-prevent-account-hacking 3 comments netsec