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nixos-and-flakes-book/docs/nixos-with-flakes/update-the-system.md
Ryan Yin 3bfffff046 fix: page title
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Updating the System

With Flakes, updating the system is simple. Just run the following commands in /etc/nixos:

# Update flake.lock
nix flake update
# Apply the updates
sudo nixos-rebuild switch

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.