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Here's how to install and use the Authenticator 2FA desktop client on Linux.


I’ve relied on various authenticator apps for some time. For those that don’t know, an authenticator app is used to generate random codes used for two-factor authentication. How they work is simple: You install the app, add an account and the authenticator will generate a time-based six-digit code to use for 2FA for the site or service in question.

In my opinion, using an authenticator app for 2FA is much more secure than having that code sent to you via SMS. Unfortunately, not every site and service works with authenticator apps, but those services that do make up for the random oversight.