mirror of git://git.savannah.gnu.org/guix.git
130 lines
5.0 KiB
Cheetah
130 lines
5.0 KiB
Cheetah
;; This is an operating system configuration for a VM image.
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;; Modify it as you see fit and instantiate the changes by running:
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;;
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;; guix system reconfigure /etc/config.scm
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;;
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(use-modules (gnu) (guix) (srfi srfi-1))
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(use-service-modules desktop mcron networking spice ssh xorg)
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(use-package-modules bootloaders certs fonts nvi
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package-management wget xorg)
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(define vm-image-motd (plain-file "motd" "
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\x1b[1;37mThis is the GNU system. Welcome!\x1b[0m
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This instance of Guix is a template for virtualized environments.
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You can reconfigure the whole system by adjusting /etc/config.scm
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and running:
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guix system reconfigure /etc/config.scm
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Run '\x1b[1;37minfo guix\x1b[0m' to browse documentation.
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\x1b[1;33mConsider setting a password for the 'root' and 'guest' \
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accounts.\x1b[0m
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"))
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;;; XXX: Xfce does not implement what is needed for the SPICE dynamic
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;;; resolution to work (see:
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;;; https://gitlab.xfce.org/xfce/xfce4-settings/-/issues/142). Workaround it
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;;; by manually invoking xrandr every second.
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(define auto-update-resolution-crutch
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#~(job '(next-second)
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(lambda ()
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(setenv "DISPLAY" ":0.0")
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(setenv "XAUTHORITY" "/home/guest/.Xauthority")
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(execl (string-append #$xrandr "/bin/xrandr") "xrandr" "-s" "0"))
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#:user "guest"))
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(operating-system
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(host-name "gnu")
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(timezone "Etc/UTC")
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(locale "en_US.utf8")
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(keyboard-layout (keyboard-layout "us" "altgr-intl"))
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;; Label for the GRUB boot menu.
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(label (string-append "GNU Guix " (package-version guix)))
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(firmware '())
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;; Below we assume /dev/vda is the VM's hard disk.
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;; Adjust as needed.
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(bootloader (bootloader-configuration
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(bootloader grub-bootloader)
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(target "/dev/vda")
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(terminal-outputs '(console))))
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(file-systems (cons (file-system
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(mount-point "/")
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(device "/dev/vda1")
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(type "ext4"))
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%base-file-systems))
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(users (cons (user-account
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(name "guest")
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(comment "GNU Guix Live")
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(password "") ;no password
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(group "users")
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(supplementary-groups '("wheel" "netdev"
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"audio" "video")))
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%base-user-accounts))
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;; Our /etc/sudoers file. Since 'guest' initially has an empty password,
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;; allow for password-less sudo.
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(sudoers-file (plain-file "sudoers" "\
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root ALL=(ALL) ALL
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%wheel ALL=NOPASSWD: ALL\n"))
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(packages (append (list font-bitstream-vera nss-certs nvi wget)
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%base-packages))
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(services
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(append (list (service xfce-desktop-service-type)
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;; Choose SLiM, which is lighter than the default GDM.
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(service slim-service-type
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(slim-configuration
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(auto-login? #t)
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(default-user "guest")
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(xorg-configuration
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(xorg-configuration
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;; The QXL virtual GPU driver is added to provide
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;; a better SPICE experience.
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(modules (cons xf86-video-qxl
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%default-xorg-modules))
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(keyboard-layout keyboard-layout)))))
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;; Uncomment the line below to add an SSH server.
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;;(service openssh-service-type)
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;; Add support for the SPICE protocol, which enables dynamic
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;; resizing of the guest screen resolution, clipboard
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;; integration with the host, etc.
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(service spice-vdagent-service-type)
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(simple-service 'cron-jobs mcron-service-type
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(list auto-update-resolution-crutch))
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;; Use the DHCP client service rather than NetworkManager.
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(service dhcp-client-service-type))
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;; Remove GDM, ModemManager, NetworkManager, and wpa-supplicant,
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;; which don't make sense in a VM.
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(remove (lambda (service)
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(let ((type (service-kind service)))
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(or (memq type
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(list gdm-service-type
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wpa-supplicant-service-type
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cups-pk-helper-service-type
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network-manager-service-type
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modem-manager-service-type))
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(eq? 'network-manager-applet
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(service-type-name type)))))
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(modify-services %desktop-services
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(login-service-type config =>
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(login-configuration
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(inherit config)
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(motd vm-image-motd)))))))
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;; Allow resolution of '.local' host names with mDNS.
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(name-service-switch %mdns-host-lookup-nss))
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