Am 28.09.22 um 16:27 schrieb Felix Lechner:
> Hi,
> 
> On Wed, Sep 28, 2022 at 7:21 AM Gottfried <gottfried@posteo.de> wrote:
>>
>> No bootable device.
> 
> Do you perhaps need something like this?
> 
>      (initrd-modules (cons "virtio_scsi" ; Needed to find the disk
>            %base-initrd-modules))
> 
> More information may be available here. [1]
> 
> Kind regards
> Felix Lechner
> 
> [1] https://guix.gnu.org/cookbook/en/html_node/Running-Guix-on-a-Linode-Server.html
----------------------------------------------------------------------

Hi Felix,

thanks for your proposal.

I put your suggestion on the end of my config.scm without leaving 
room/space to "file-systems". Is that right?

---------------------------------------------------------------------
;; This is an operating system configuration generated
;; by the graphical installer.

(use-modules (gnu))
(use-package-modules cups scanner)
(use-service-modules cups desktop networking ssh xorg virtualization)

(operating-system
   (locale "de_DE.utf8")
   (timezone "Europe/Berlin")
   (keyboard-layout (keyboard-layout "de"))
   (host-name "Tuxedo")
   (users (cons* (user-account
                   (name "gfp")
                   (comment "Gfp")
                   (group "users")
                   (home-directory "/home/gfp")
                   (supplementary-groups
                     '("wheel" "netdev" "audio" "video" "libvirt")))
                 %base-user-accounts))
   (packages
     (append
       (list (specification->package "nss-certs"))			
       %base-packages))
   (services
     (append
       (list (service mate-desktop-service-type)
             (service enlightenment-desktop-service-type)
			(service cups-service-type
				(cups-configuration
					(web-interface? #t)
					(extensions (list cups-filters hplip))))			
			(service openssh-service-type)
             (service tor-service-type)
             (set-xorg-configuration
               (xorg-configuration
                (keyboard-layout keyboard-layout)))
             (service libvirt-service-type
                      (libvirt-configuration
                       (unix-sock-group "libvirt")
                       (tls-port "16555")))
             (service virtlog-service-type
                      (virtlog-configuration
                       (max-clients 1000))))

       (modify-services %desktop-services
	(guix-service-type
                config => (guix-configuration
                  (inherit config)
                  (extra-options (list "--gc-keep-derivations=yes" 
"--gc-keep-outputs=yes"))))
	(sane-service-type _ => sane-backends))))

   (bootloader
     (bootloader-configuration
       (bootloader grub-efi-bootloader)
       (targets (list "/boot/efi"))
       (keyboard-layout keyboard-layout)))
   (swap-devices
    (list (swap-space
           (target (uuid "51d5cd20-4513-4a02-9e35-df4338eccaa0")))))
   (file-systems
     (cons* (file-system
              (mount-point "/boot/efi")
              (device (uuid "BB77-FE3B" 'fat32))
              (type "vfat"))
            (file-system
              (mount-point "/")
              (device
                (uuid "4fb0ed7c-61ab-45eb-be0b-ff527b320e6d"
                      'ext4))
              (type "ext4"))
            %base-file-systems))
   (initrd-modules (cons "virtio_scsi"    ; Needed to find the disk
                         %base-initrd-modules)))

---------------------------------------------------------------------

I installed in a second VM "Trisquel" and I can start it, but Tails in 
the first VM I can't start even after adding

(initrd-modules (cons "virtio_scsi"    ; Needed to find the disk
                         %base-initrd-modules)))

Gottfried