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How To Set Up Two-Factor Authentication on Ubuntu 20.04 LTS

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In this tutorial, we will show you how to set up two-factor authentication on Ubuntu 20.04 LTS. For those of you who didn’t know, One way to enhance SSH login security is by using two-factor authentication (2FA). Two-factor authentication adds an extra layer of security to your server. In general, you only need your username and password to login into your server but after applying two-factor ...