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;; This is an operating system configuration for a VM image.
;; Modify it as you see fit and instantiate the changes by running:
;;
;; guix system reconfigure /etc/config.scm
;;
(use-modules (gnu) (srfi srfi-1))
(use-service-modules desktop networking ssh xorg)
(use-package-modules bootloaders certs fonts nvi wget xorg)
(define vm-image-motd (plain-file "motd" "
\x1b[1;37mThis is the GNU system. Welcome!\x1b[0m
This instance of Guix is a template for virtualized environments.
You can reconfigure the whole system by adjusting /etc/config.scm
and running:
guix system reconfigure /etc/config.scm
Run '\x1b[1;37minfo guix\x1b[0m' to browse documentation.
\x1b[1;33mConsider setting a password for the 'root' and 'guest' \
accounts.\x1b[0m
"))
(define this-file
(local-file (basename (assoc-ref (current-source-location) 'filename))
"config.scm"))
(operating-system
(host-name "gnu")
(timezone "Etc/UTC")
(locale "en_US.utf8")
(keyboard-layout (keyboard-layout "us" "altgr-intl"))
(firmware '())
;; Below we assume /dev/vda is the VM's hard disk.
;; Adjust as needed.
(bootloader (bootloader-configuration
(bootloader grub-bootloader)
(target "/dev/vda")
(terminal-outputs '(console))))
(file-systems (cons (file-system
(mount-point "/")
(device "/dev/vda1")
(type "ext4"))
%base-file-systems))
(users (cons (user-account
(name "guest")
(comment "GNU Guix Live")
(password "") ;no password
(group "users")
(supplementary-groups '("wheel" "netdev"
"audio" "video")))
%base-user-accounts))
;; Our /etc/sudoers file. Since 'guest' initially has an empty password,
;; allow for password-less sudo.
(sudoers-file (plain-file "sudoers" "\
root ALL=(ALL) ALL
%wheel ALL=NOPASSWD: ALL\n"))
(packages (append (list font-bitstream-vera nss-certs nvi wget)
%base-packages))
(services
(append (list (service xfce-desktop-service-type)
;; Copy this file to /etc/config.scm in the OS.
(simple-service 'config-file etc-service-type
`(("config.scm" ,this-file)))
;; Choose SLiM, which is lighter than the default GDM.
(service slim-service-type
(slim-configuration
(auto-login? #t)
(default-user "guest")
(xorg-configuration
(xorg-configuration
(keyboard-layout keyboard-layout)))))
;; Uncomment the line below to add an SSH server.
;;(service openssh-service-type)
;; Use the DHCP client service rather than NetworkManager.
(service dhcp-client-service-type))
;; Remove GDM, NetworkManager, and wpa-supplicant, which don't make
;; sense in a VM.
(remove (lambda (service)
(let ((type (service-kind service)))
(memq type (list gdm-service-type
wpa-supplicant-service-type
cups-pk-helper-service-type
network-manager-service-type))))
(modify-services %desktop-services
(login-service-type config =>
(login-configuration
(inherit config)
(motd vm-image-motd)))))))
;; Allow resolution of '.local' host names with mDNS.
(name-service-switch %mdns-host-lookup-nss))
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