{ ... }: { environment.persistence."/nix/persist" = { hideMounts = true; directories = [ "/var/log" "/var/lib/nixos" "/var/lib/systemd/coredump" { directory = "/var/lib/colord"; user = "colord"; group = "colord"; mode = "u=rwx,g=rx,o="; } "/etc/NetworkManager/system-connections" ]; files = [ "/etc/machine-id" ]; }; }