{ lib, config, ... }: { networking = { useDHCP = true; firewall.enable = false; extraHosts = '' 192.168.1.71 c1 192.168.1.72 c2 192.168.1.73 c3 ''; }; environment.persistence.${config.custom.impermanence.persistPath} = { directories = [ "/var/db/dhcpcd" ]; }; }