this post was submitted on 05 Aug 2023
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I can understand how the system config can be back in that short amount of time. How does data backup and restore work in Nix? Is it different than other distros?
Data wise, it's mostly the same. i use syncthing to a couple different systems, one of which is essentially a storage server. The main difference for me is the app installations. apt install all the apps, then configure each. Kills a whole day for me. I'm sure it can be automated, maybe ansible / salt / . But the way I use it, Nix enforces that I always update my configs in a manner that is easily restorable.
Copy my backed up system into /etc/nixos/
Run nixos-rebuild boot. Reboot.
Setup syncthing. ? Profit
Instead of doing nixos-rebuid boot and rebooting, you can just do a nixos-rebuild switch and not reboot.
Of course, depending on what you're doing it mifht be a good idea to reboot, but if you're just adding a package to your config file, it doesn't matter.
Yeah, for the restore process, I install a couple drivers for some USB devices. So a reboot is required. Otherwise, I has an alias for switch.