(services
  (append
   (list (service openssh-service-type)
     (udev-rules-service 'brightnessctl %brightnessctl-udev-rule)
     (bluetooth-service #:auto-enable? #t))
   ;; Remove the GDM graphical login manager.
   (remove (lambda (service)
         (eq? (service-kind service) gdm-service-type))
       %desktop-services)))