Flake support must be enabled.
sudo nix build .#nixosConfigurations.customISO.config.system.build.isoImage
This might take a while to build ..
sudo nixos-rebuild switch --flake .#{Config}
Flake support must be enabled.
sudo nix build .#nixosConfigurations.customISO.config.system.build.isoImage
This might take a while to build ..
sudo nixos-rebuild switch --flake .#{Config}