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Wed, 16 Feb 2022 22:09:17 +0100 (CET) Message-ID: <11a2a808-0147-1138-198a-7d2410739477@posteo.de> Date: Wed, 16 Feb 2022 21:09:17 +0000 MIME-Version: 1.0 Subject: Re: install a Printer Content-Language: de-DE To: Julien Lepiller , help-guix@gnu.org References: <07dd192a-c66e-ab47-891c-7111c4bd7b12@posteo.de> <9930FFD6-CE4A-4D1F-9377-A5D9BED9ABA6@lepiller.eu> <546032bd-52fa-9970-9de9-f936e4a046df@posteo.de> <60426FD7-4AB0-4362-A89E-CEB6F14A7059@lepiller.eu> <5E9BC81E-7B19-4FF4-9279-B5A172CB73B2@lepiller.eu> <58F809CD-87BC-4868-A57C-78F782BFAE34@lepiller.eu> <40E93C3E-B09F-4D30-A58D-1F2916846A1A@lepiller.eu> <400308a2-d45e-77f1-29eb-58e3e7396dd0@posteo.de> <4D4A9D7B-D390-4AB1-803D-E35E0ABBA676@lepiller.eu> <1b383cb4-b811-8b58-8c11-8d5a2d452441@posteo.de> <4FE252F7-D8D0-4B01-B0C2-F9E0AAADB386@lepiller.eu> <9aa73d29-ead3-5a36-c1a4-79bf2ba97471@posteo.de> <2B5C46C7-648E-4F37-A089-9AF286E14CFB@lepiller.eu> From: Gottfried In-Reply-To: <2B5C46C7-648E-4F37-A089-9AF286E14CFB@lepiller.eu> Received-SPF: pass client-ip=185.67.36.65; envelope-from=gottfried@posteo.de; helo=mout01.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, WEIRD_PORT=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: "Help-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1645045784; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=DD+jhnLZZxVCzWiNgh0uTlvXrE9Mfyo+lNP80q+k4CQ=; b=BXLk89iKztJDLO8MQoq+F8aA2QYKLAA8X5HRCZByY911nakta/bDmqF7zoK2HDhk/32G2E zFZmiu7s2ePY7ViPub2sU3hmUK2zUOoa1iJYFHMi8mgg1dUVJl2e2PeCdurVqI9k+mxShz 4S0jG797ikC/kWETQTjnvQWVrS/tFKjWpYSV3ub7yWXsQJW0OdwYrRDx/fUY+onvBjbwu1 2dglI5i4VqMZQ60DgNUtbOlVqyS0UGcF3+q0q8I6Drav5EDWB2IDnDoornfU11Sf6W/3VQ 2MEJA7zGk9b+oNmBjnLVfAC41VlFdMNaWlYGJCiJIB3dvp5ii4ljEDP+ZaoLtg== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1645045784; a=rsa-sha256; cv=none; b=qf57zpVB8FONfoJErp7OTe4vP9nWj93U6FnP/1vbh+SfNhTcRHGq5/M+wYJUibMtg5tkNW 6evGsglHh87rBf4LQkd2yU2pW6Yk0yom68iHwfkXSiciInT8kqgupig2TlnLlHXsnloB5W 3jkgHFna39b5marHlIa7gZX/MLzKg5fD6Hu7oh+TvupcPdFo2a++SdxeSN9W2GHFTADxOy f4O3IobxEVLav9kZczjQaKYDegwDIlFHG1F69Pv8M6cSj4MQquNt4Rr6JhL4OnaJb4FvA+ BTXDtOHUa132PfQYsr6kJzJtoKtEY3iL1QSsmEpgEc7WACde+tmO8Az25p7tiQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("body hash did not verify") header.d=posteo.de header.s=2017 header.b=akx8uDAq; dmarc=fail reason="SPF not aligned (strict)" header.from=posteo.de (policy=none); spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -2.23 Authentication-Results: aspmx1.migadu.com; dkim=fail ("body hash did not verify") header.d=posteo.de header.s=2017 header.b=akx8uDAq; dmarc=fail reason="SPF not aligned (strict)" header.from=posteo.de (policy=none); spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: D56A647D24 X-Spam-Score: -2.23 X-Migadu-Scanner: scn0.migadu.com X-TUID: ipqHqPtOwC3C Unfortunately I don´t understand your answer.     "I tried your file, but I don't have the same issue. For me it fails with *cups-filters: unbound variable* (instead of cups-service-type). I only had to add this line near the top of the file (line 3):         (use-package-modules cups)" Would you be so kind to explain it again? Am 16.02.22 um 21:06 schrieb Julien Lepiller: > I tried your file, but I don't have the same issue. For me it fails > with *cups-filters: unbound variable* (instead of cups-service-type). > I only had to add this line near the top of the file (line 3): > > (use-package-modules cups) > > To make it available. Then the system builds. > > On February 16, 2022 8:40:44 PM GMT+01:00, Gottfried > wrote: > > This is the file content of /etc/config.scm file:  (*bold* are my > printer settings for better finding and reading) > > > ;; This is an operating system configuration generated > ;; by the graphical installer. > > (use-modules (gnu)) > (*use-service-modules cups* desktop networking ssh xorg) > > (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"))) >                 %base-user-accounts)) >   (packages >     (append >       (list (specification->package "awesome") >             (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)))) >       %desktop-services)) > >   (bootloader >     (bootloader-configuration >       (bootloader grub-efi-bootloader) >       (target "/boot/efi") >       (keyboard-layout keyboard-layout))) >   (swap-devices >     (list (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))) > > Am 16.02.22 um 18:01 schrieb Julien Lepiller: >> Can you share again the content of your /etc/config.scm file? >> >> On February 16, 2022 5:04:02 PM GMT+01:00, Gottfried >> wrote: >> >> Hello, >> >> thanks for Your email. >> >> I added cups to the service-modules (use-service-modules cups >> desktop networking ssh xorg), >> >> after guix system reconfigure /etc/config.scm >> >> still it says: >> >> *Fehler: cups-service-type: Nicht gebundene Variable (Error: >> cups-service-type: Unbound variable) *I don´t understand what >> that means.* >> * >> >> *I can´t**run: http://localhost:631* >> >> *my printer settings don´t recognise my printer yet. >> * >> >> * >> * >> >> Gottfried* >> * >> >> >> >> Am 15.02.22 um 20:51 schrieb Julien Lepiller: >>> You're all good. In addition to your modifications, you need >>> to add cups to the list of service modules, at the top of >>> the file: >>> >>> (use-service-modules cups desktop networking ssh xorg) >>> >>> HTH! >>> >>> On February 15, 2022 8:39:30 PM GMT+01:00, Gottfried >>> wrote: >>> >>> After: >>> >>> (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)))) >>>       %desktop-services)) >>> >>> /etc# guix system reconfigure /etc/config.scm >>> >>> /etc/config.scm:43:14: Warnung: the 'target' field is >>> deprecated, please use 'targets' instead >>> guix system: Warnung: Vielleicht wollen Sie „guix pull“ >>> ausführen vor „guix system reconfigure“, um >>> aktuelle Pakete und Sicherheitsaktualisierungen zu bekommen. >>> >>> guix system: Warnung: Konnte die Provenienz von GNU Guix >>> nicht feststellen >>> Backtrace: >>> In ice-9/boot-9.scm: >>>     724:2 19 (call-with-prompt _ _ #>> default-prompt-handle…>) >>> In ice-9/eval.scm: >>>     619:8 18 (_ #(#(#>> 7f228c3c8c80>))) >>> In guix/ui.scm: >>>    2209:7 17 (run-guix . _) >>>   2172:10 16 (run-guix-command _ . _) >>> In ice-9/boot-9.scm: >>>   1752:10 15 (with-exception-handler _ _ #:unwind? _ # _) >>> In guix/status.scm: >>>     822:3 14 (_) >>>     802:4 13 (call-with-status-report _ _) >>> In guix/scripts/system.scm: >>>    1256:4 12 (_) >>> In ice-9/boot-9.scm: >>>   1752:10 11 (with-exception-handler _ _ #:unwind? _ # _) >>> In guix/store.scm: >>>    658:37 10 (thunk) >>>    1320:8  9 (call-with-build-handler #>> 7f2287e773c0 at g…> …) >>>   2123:24  8 (run-with-store #>> 7f227638a730> …) >>> In guix/scripts/system.scm: >>>     827:2  7 (_ _) >>>     703:7  6 (_ #) >>> In gnu/system.scm: >>>   1227:19  5 (operating-system-derivation _) >>>    748:11  4 (operating-system-services >>> #< kernel:…>) >>>    782:20  3 (services _) >>> In /etc/config.scm: >>>     29:33  2 (services #< kernel: >>> #) >>> In ice-9/boot-9.scm: >>>   1685:16  1 (raise-exception _ #:continuable? _) >>>   1685:16  0 (raise-exception _ #:continuable? _) >>> >>> ice-9/boot-9.scm:1685:16: In procedure raise-exception: >>> *Fehler: cups-service-type: Nicht gebundene Variable* >>> >>> root@Tuxedo /etc# >>> >>> >>> There is still a mistake I guess. >>> >>> Thanks for helping, but please deal with it not today >>> anymore. "Lets call it a day". >>> >>> >>> Gottfried >>> >>> >>> Am 15.02.22 um 20:17 schrieb Julien Lepiller: >>>> Noticed the issue with what I typed (sorry not a the >>>> computer right now). Type this instead, at the same >>>> location: >>>> >>>> (service cups-service-type >>>> (cups-configuration >>>> (web-interface? #t) >>>> (extensions (list cups-filters hplip)))) >>>> >>>> I added a closing parenthesis on the first line that >>>> shouldn't be here, and I forgot to wrap the value of >>>> the extensions (now it's a proper list instead of three >>>> values which is an error). Also check that the last >>>> closing parenthesis at the end of the fourth line >>>> closes the first one on the first line and you should >>>> be good! >>>> >>>> >>>> On February 15, 2022 8:02:56 PM GMT+01:00, Julien >>>> Lepiller wrote: >>>> >>>> Remove one closing parenthesis here: (service cups-service-type) >>>> >>>> On February 15, 2022 7:59:34 PM GMT+01:00, Gottfried wrote: >>>> >>>> Hi, I did it, as You said, or did I do >>>> something wrong? because the message was again: >>>> */etc/config.scm:25:2: Fehler: (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)))) %desktop-services): invalid >>>> field specifier* ;; This is an operating system >>>> configuration generated ;; by the graphical >>>> installer. (use-modules (gnu)) >>>> (use-service-modules desktop networking ssh >>>> xorg) (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")))                 >>>> %base-user-accounts))   (packages     (append >>>>       (list (specification->package "awesome") >>>>             (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))))       %desktop-services))   >>>> (bootloader     (bootloader-configuration       >>>> (bootloader grub-efi-bootloader)       (target >>>> "/boot/efi")       (keyboard-layout >>>> keyboard-layout)))   (swap-devices     (list >>>> (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))) >>>> Gottfried Am 15.02.22 um 19:34 schrieb Julien >>>> Lepiller: >>>> >>>> Almost. Right place, wrong parenthesis. >>>> Please read my first message again and use >>>> the snippet I gave you. What you add must >>>> start with "(service". Make sure the >>>> parenthesis are exactly at the same place I >>>> showed you in the example, otherwise you're >>>> creating separate objects. They're used to >>>> group things together. service, >>>> cups-service-type and its configuration >>>> need to be in the same group. On February >>>> 15, 2022 7:29:19 PM GMT+01:00, Gottfried >>>> wrote: Hi, I did >>>> this: ;; This is an operating system >>>> configuration generated ;; by the graphical >>>> installer. (use-modules (gnu)) >>>> (use-service-modules desktop networking ssh >>>> xorg) (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"))) >>>>                 %base-user-accounts))   >>>> (packages     (append       (list >>>> (specification->package "awesome") >>>>             (specification->package >>>> "nss-certs"))       %base-packages))   >>>> (services     (append       (list (service >>>> mate-desktop-service-type)             >>>> (service >>>> enlightenment-desktop-service-type) >>>> *(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))))       >>>> %desktop-services))   (bootloader     >>>> (bootloader-configuration       (bootloader >>>> grub-efi-bootloader)       (target >>>> "/boot/efi")       (keyboard-layout >>>> keyboard-layout)))   (swap-devices     >>>> (list (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))) *Answer was:* >>>> */etc/config.scm:25:2: Fehler: (services >>>> (append (list (service >>>> mate-desktop-service-type) (service >>>> enlightenment-desktop-service-type) >>>> (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)))): invalid field >>>> specifier *  Gottfried Am 15.02.22 um 18:44 >>>> schrieb Julien Lepiller: >>>> >>>> Hi, I'm sorry if my answer was >>>> confusing. Do not modify the >>>> use-service-modules form. Instead, >>>> insert the snippet I gave you at the >>>> same position as the other (service …) >>>> forms, for instance right below >>>> (service >>>> enlightenment-desktop-service-type) On >>>> February 15, 2022 6:31:46 PM GMT+01:00, >>>> Gottfried wrote: >>>> Hi, I changed my /etc/config.scm >>>> file,to: ;; This is an operating system >>>> configuration generated ;; by the >>>> graphical installer. (use-modules >>>> (gnu)) (use-service-modules desktop >>>> networking ssh >>>> xorg*cups-service-type)****(cups-configuration****(web-interface? >>>> #t)****(extensions list cups-filters >>>> hplip)))*** (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"))) >>>> %base-user-accounts)) (packages (append >>>> (list (specification->package >>>> "awesome") (specification->package >>>> "nss-certs")) %base-packages)) >>>> (services (append (list (service >>>> mate-desktop-service-type) (service >>>> enlightenment-desktop-service-type) >>>> (service openssh-service-type) (service >>>> tor-service-type) >>>> (set-xorg-configuration >>>> (xorg-configuration (keyboard-layout >>>> keyboard-layout)))) %desktop-services)) >>>> (bootloader (bootloader-configuration >>>> (bootloader grub-efi-bootloader) >>>> (target "/boot/efi") (keyboard-layout >>>> keyboard-layout))) (swap-devices (list >>>> (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))) *The answer was:* >>>> /etc/config.scm:5:0: Fehler: module >>>> (gnu services cups-service-type) not >>>> found Hinweis: Der Befehl `guix system >>>> search cups-service-type' sucht nach >>>> einem zu `cups-service-type' passenden >>>> Dienst. Wenn Sie eine Ausgabe wie >>>> `location: gnu/services/foo.scm:188:2' >>>> sehen, fügen Sie `foo' in Ihre >>>> `use-service-modules'-Form ein. >>>> Gottfried Am 15.02.22 um 17:54 schrieb >>>> Julien Lepiller: >>>> >>>> Your service specification is not >>>> at the right place, and incorrect. >>>> You have to be careful with >>>> parenthesis, as they define the >>>> structure of things (similar to >>>> braces in other programming >>>> languages). The service >>>> specification needs to be inside >>>> the list, at the same level as all >>>> these (service …) forms. In the >>>> same way, you declare a service >>>> with (service foo-service-type >>>> ), and the >>>> configuration is usually a record, >>>> so it has parenthesis too. For >>>> records, you do: ( >>>> ( ) …) >>>> With as many fields as you want, as >>>> long as they exist. In your config, >>>> guix found (cups-service-type) at >>>> the same level as other fields of >>>> the operating-system, but >>>> operating-system doesn't support >>>> such a field directly, and the >>>> field does not have a value. >>>> Overall, try something like this, >>>> at the same parenthetical level as >>>> the other (service …) forms. >>>> (service cups-service-type) >>>> (cups-configuration (web-interface? >>>> #t) (extensions list cups-filters >>>> hplip))) HTH! On February 15, 2022 >>>> 5:45:34 PM GMT+01:00, Gottfried >>>> wrote: Hi, I >>>> tried to adjust my /etc/config.scm >>>> file, but I made some mistake. >>>> Could anybody help me please? here >>>> the file: (my changes are in bold >>>> letters) (I have installed cups, >>>> cups-filters, hplip in my guix >>>> system) ;; This is an operating >>>> system configuration generated ;; >>>> by the graphical installer. >>>> (use-modules (gnu)) >>>> (use-service-modules desktop >>>> networking ssh xorg *cups*) >>>> (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"))) >>>>                 >>>> %base-user-accounts))   (packages >>>>     (append       (list >>>> (specification->package "awesome") >>>>             (specification->package >>>> "nss-certs"))       >>>> %base-packages))   (services     >>>> (append       (list (service >>>> mate-desktop-service-type) >>>>             (service >>>> enlightenment-desktop-service-type) >>>>             (service >>>> openssh-service-type)             >>>> (service tor-service-type) >>>>             (set-xorg-configuration >>>>               (xorg-configuration >>>>                 (keyboard-layout >>>> keyboard-layout))))       >>>> %desktop-services)) >>>> *(cups-service-type)** **        >>>>     (cups-configuration** **        >>>>     (web-interface? #t** **        >>>>     (extensions list cups-filters >>>> hplip))))*   (bootloader     >>>> (bootloader-configuration       >>>> (bootloader grub-efi-bootloader) >>>>       (target "/boot/efi")       >>>> (keyboard-layout keyboard-layout))) >>>>   (swap-devices     (list (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))) >>>> After running: sudo guix system >>>> reconfigure /etc/config.scm it >>>> said: 35:16: Fehler: >>>> (cups-service-type): invalid field >>>> specifier Fehler(german word means >>>> mistake) What do I have to change? >>>> Gottfried >>>>