Update README.md

Future rebuilds should use the flake, not configuration.nix
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JillThornhill 2023-07-09 10:43:57 +02:00 committed by GitHub
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@ -199,6 +199,15 @@ Note that this command references the URL of your flake, in this case `.#`,
together with the name of the system `hetzner-cloud`, as highlighted by the
comment in the sample flake.
This will configure and build the new NixOS server. Since the configurations are defined
in the flake, it will not create `/etc/nixos/configuration.nix`. If you need to make
changes to the configuration in future, you should make the changes in the flake, and
rebuild using the --flake option as shown below:
```
nixos-rebuild --flake <flake URL> switch
```
The [Quickstart Guide](./docs/quickstart.md) gives more information on how to
run **nixos-anywhere** in its simplest form. For more specific instructions to
suit individual requirements, see the [How To Guide](./docs/howtos.md).