How to Set Up 2-Factor Authentication for Login and sudo

Security is all the rage—as it should be. We live in a world where data is an incredibly valuable currency, and you’re always at risk of loss. Because of this, you must do everything you can to ensure what you hold on your desktops and servers is safe. To that end, administrators and users will create incredibly complex passwords, employ password managers, and more. But, what if I told you could take the login to your Linux servers and desktops one step—nay, two steps—further? Thanks to the Google Authenticator, you can. On top of that, it’s incredibly easy to set up.