GuixSD GNOME+E21 in LUKS

config.scm

;; This is my operating system configuration template
;; for a "desktop" setup with GNOME and E21 where the
;; root partition is encrypted with LUKS.
;;
;; Please notice this configuration has been used by
;; myself exclusively for a test VM. Basically, don't
;; pretend like you can get anything out of my UUID.

(use-modules (gnu) (gnu system nss))
(use-service-modules desktop)
(use-package-modules certs gnome enlightenment)

(operating-system
  (host-name "guixBox")
  (timezone "Europe/Madrid")
  (locale "es_ES.UTF-8")

  ;; Assuming /dev/sda is the target hard disk, and "GuixSD"
  ;; is the label of the target root file system.
  (bootloader (grub-configuration (device "/dev/sda")))

  ;; Specify a mapped device for the encrypted root partition.
  ;; The UUID is that returned by 'cryptsetup luksUUID'.
  (mapped-devices
   (list (mapped-device
          (source (uuid "e1bac70e-278e-4ada-862d-2051f54cc9e8"))
          (target "guixhdd")
          (type luks-device-mapping))))

  (file-systems (cons (file-system
                        (device "GuixSD")
                        (title 'label)
                        (mount-point "/")
                        (type "ext4")
                        (dependencies mapped-devices))
                      %base-file-systems))

  (users (cons (user-account
                (name "xerz")
                (comment "@espectalll")
                (group "users")
                (supplementary-groups '("wheel" "netdev"
                                        "audio" "video"))
                (home-directory "/home/xerz"))
               %base-user-accounts))

  ;; This is where we specify system-wide packages.
  (packages (cons* nss-certs         ;for HTTPS access
                   gvfs              ;for user mounts
		   enlightenment
		   ncurses
		   sudo
		   coreutils
                   %base-packages))

  ;; Add GNOME --- we can choose at the log-in screen with F1.
  ;; Use the "desktop" services, which include the X11 log-in
  ;; service, networking with Wicd, and more.
  (services (cons* (console-keymap-service "es")
	           (gnome-desktop-service)
                   %desktop-services))

  ;; Allow resolution of '.local' host names with mDNS.
  (name-service-switch %mdns-host-lookup-nss))