Guix configuration for PCEngines APU2

config.scm

;; -*- mode: scheme; -*-
;; Guix configuration for PCEngines APU2

(use-modules (gnu))
(use-service-modules networking ssh)
(use-package-modules screen ssh)

(operating-system
  (host-name "apu2-example")
  (timezone "Etc/Utc")
  (locale "en_US.utf8")

  (bootloader (bootloader-configuration
                (bootloader grub-bootloader)
                (targets '("/dev/sda"))
		(terminal-outputs '(gfxterm serial))
		(terminal-inputs '(console serial))
		(serial-unit 0)
		(serial-speed 115200)))
  (kernel-arguments (list "quiet" "console=tty0")) ; or this? "console=ttyS0,115200"))
  (file-systems (append (list (file-system
                        (device "/dev/sda2")
                        (options "subvol=root")
                        (mount-point "/")
                        (type "btrfs")))
                      %base-file-systems))

  (users (cons (user-account
                (name "alice")
                (group "users")
                (supplementary-groups '("wheel" "dialout")))
               %base-user-accounts))

  (packages (cons screen %base-packages))

  (services (append (list 
    (service agetty-service-type
	     (agetty-configuration
	       (extra-options '("-L")) ; no carrier detect
	       (baud-rate "115200")
	       (term "vt100")
	       (tty "ttyS0")))
    (service dhcp-client-service-type)
    (service openssh-service-type
	     (openssh-configuration
	       (openssh openssh-sans-x)
	       (port-number 22))))
    %base-services)))