Rebuild the system with
sudo nixos-rebuild switch --flake "${HOME}/.config/nix-config"
or
sudo nixos-rebuild --upgrade switch --flake "${HOME}/.config/nix-config"
The flake system will automatically choose the configuration based on the current hostname.
common.nix -- Common configuration for Nix systems (such as users and fundamental environment items)packages_core.nix -- Core packages, used almost everywhere. vim, ripgrep, htop and such.packages.nix -- More sophisticated packagessecurity.nix -- Security configurations: firewall, ssh, certificates, etc.services.nix -- Regularly-run services such as syncthing and fail2ban