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Secure Your Linux Desktop and SSH Login Using Two Factor Google Authenticator

Oct 01, 2014, 15:00 (0 Talkback[s])
(Other stories by Anonymous)

Two factor authentication is increasingly becoming a strongly recommended way of protecting user accounts in web applications from attackers by requiring a second method of authentication in addition to the standard username and password pair. Although two factor authentication can encompass a wide range of techniques like biometrics or smart cards, the most commonly deployed technique in web applications is the one time password. If you have used applications like Gmail, you are probably familiar with the one time password generated by the Google Authenticator app that's available on iOS or Android devices. It is a little known fact that you can use the TOTP algorithm to secure your user accounts in Linux systems. This article will walk you through the steps necessary.

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