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# Updating the System
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With Flakes, updating the system is simple. Just run the following commands in `/etc/nixos` (
or any other place where you keep the configuration.):
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```shell
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# Update flake.lock
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nix flake update
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# Apply the updates
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sudo nixos-rebuild switch --flake .
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```
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Sometimes, you may encounter a sha256 mismatch error when running `nixos-rebuild switch` . This can be resolved by updating `flake.lock` through `nix flake update` .
