We recently were forced to start using 2FA for a service at work and, as I agree with the practice (at least in principal), I started using Google Authenticator for several other services, including sudo on a couple of Linux boxes I have.
Now I'm facing a phone that desperately needs to be replaced but authenticator codes locked into the software on that one device. I know I can get new codes for all of my existing services and just set it up fresh on a new device but I'm curious how that's "normally" handled. I wouldn't necessarily have that option if I chucked my phone into a brick wall as I have been sorely tempted to do on multiple occassions lately. Do you backup your authenticator keys somewhere? If so, how? Set it up on multiple devices under the assumption that at least will be functional long enough to reset codes with the services? Do you avoid 2FA specifically because of this issue? Something else totally obvious that I just missed? Thanks, Bill
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