#:use-module (gnu artwork)
#:use-module (gnu services)
#:use-module (gnu services dmd)
- #:use-module (gnu system linux) ; 'pam-service'
+ #:use-module (gnu system pam)
#:use-module ((gnu packages base) #:select (canonical-package))
#:use-module (gnu packages guile)
#:use-module (gnu packages xorg)