| 1 | ;; -*- mode: scheme; -*-
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| 2 | ;; This is an operating system configuration for a VM image.
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| 3 | ;; Modify it as you see fit and instantiate the changes by running:
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| 4 | ;;
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| 5 | ;; guix system reconfigure /etc/config.scm
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| 6 | ;;
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| 7 |
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| 8 | (use-modules (gnu)
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| 9 | (guix)
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| 10 | (srfi srfi-1)
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| 11 | (ice-9 match)
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| 12 | (guix channels)
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| 13 | (gnu packages package-management)
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| 14 | (gnu system image))
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| 15 | (use-service-modules desktop mcron networking spice ssh xorg sddm)
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| 16 | (use-package-modules bootloaders fonts
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| 17 | package-management xdisorg xorg)
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| 18 |
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| 19 | (define vm-image-motd (plain-file "motd" "
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| 20 | \x1b[1;37mThis is the GNU system. Welcome!\x1b[0m
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| 21 |
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| 22 | This instance of Guix is a template for virtualized environments.
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| 23 | You can reconfigure the whole system by adjusting /etc/config.scm
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| 24 | and running:
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| 25 |
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| 26 | guix system reconfigure /etc/config.scm
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| 27 |
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| 28 | Run '\x1b[1;37minfo guix\x1b[0m' to browse documentation.
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| 29 |
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| 30 | \x1b[1;33mConsider setting a password for the 'root' and 'guest' \
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| 31 | accounts.\x1b[0m
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| 32 | "))
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| 33 |
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| 34 | (operating-system
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| 35 | (host-name "gnu")
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| 36 | (timezone "Etc/UTC")
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| 37 | (locale "en_US.utf8")
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| 38 | (keyboard-layout (keyboard-layout "us" "altgr-intl"))
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| 39 |
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| 40 | ;; Label for the GRUB boot menu.
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| 41 | (label (string-append "GNU Guix "
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| 42 | (or (getenv "GUIX_DISPLAYED_VERSION")
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| 43 | (package-version guix))))
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| 44 |
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| 45 | (firmware '())
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| 46 |
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| 47 | ;; Below we assume /dev/vda is the VM's hard disk.
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| 48 | ;; Adjust as needed.
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| 49 | (bootloader (bootloader-configuration
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| 50 | (bootloader grub-bootloader)
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| 51 | (targets '("/dev/vda"))
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| 52 | (terminal-outputs '(console))))
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| 53 | (file-systems (cons (file-system
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| 54 | (mount-point "/")
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| 55 | (device (file-system-label root-label))
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| 56 | (type "ext4"))
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| 57 | %base-file-systems))
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| 58 |
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| 59 | (users (cons (user-account
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| 60 | (name "guest")
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| 61 | (comment "GNU Guix Live")
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| 62 | (password "") ;no password
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| 63 | (group "users")
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| 64 | (supplementary-groups '("wheel" "netdev"
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| 65 | "audio" "video")))
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| 66 | %base-user-accounts))
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| 67 |
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| 68 | ;; Our /etc/sudoers file. Since 'guest' initially has an empty password,
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| 69 | ;; allow for password-less sudo.
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| 70 | (sudoers-file (plain-file "sudoers" "\
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| 71 | root ALL=(ALL) ALL
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| 72 | %wheel ALL=NOPASSWD: ALL\n"))
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| 73 |
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| 74 | (pam-services
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| 75 | ;; Explicitly allow for empty passwords.
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| 76 | (base-pam-services #:allow-empty-passwords? #t))
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| 77 |
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| 78 | (packages
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| 79 | (append (list font-bitstream-vera
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| 80 | ;; Auto-started script providing SPICE dynamic resizing for
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| 81 | ;; Xfce (see:
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| 82 | ;; https://gitlab.xfce.org/xfce/xfce4-settings/-/issues/142).
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| 83 | x-resize)
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| 84 | %base-packages))
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| 85 |
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| 86 | (services
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| 87 | (append (list (service xfce-desktop-service-type)
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| 88 |
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| 89 | ;; Choose SLiM, which is lighter than the default GDM.
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| 90 | (service slim-service-type
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| 91 | (slim-configuration
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| 92 | (auto-login? #t)
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| 93 | (default-user "guest")
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| 94 | (xorg-configuration
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| 95 | (xorg-configuration
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| 96 | ;; The QXL virtual GPU driver is added to provide
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| 97 | ;; a better SPICE experience.
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| 98 | (modules (cons xf86-video-qxl
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| 99 | %default-xorg-modules))
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| 100 | (keyboard-layout keyboard-layout)))))
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| 101 |
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| 102 | ;; Uncomment the line below to add an SSH server.
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| 103 | ;;(service openssh-service-type)
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| 104 |
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| 105 | ;; Add support for the SPICE protocol, which enables dynamic
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| 106 | ;; resizing of the guest screen resolution, clipboard
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| 107 | ;; integration with the host, etc.
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| 108 | (service spice-vdagent-service-type)
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| 109 |
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| 110 | ;; Use the DHCP client service rather than NetworkManager.
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| 111 | (service dhcpcd-service-type))
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| 112 |
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| 113 | ;; Remove some services that don't make sense in a VM.
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| 114 | (remove (lambda (service)
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| 115 | (let ((type (service-kind service)))
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| 116 | (or (memq type
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| 117 | (list gdm-service-type
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| 118 | sddm-service-type
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| 119 | wpa-supplicant-service-type
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| 120 | cups-pk-helper-service-type
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| 121 | network-manager-service-type
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| 122 | modem-manager-service-type))
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| 123 | (eq? 'network-manager-applet
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| 124 | (service-type-name type)))))
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| 125 | (modify-services %desktop-services
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| 126 | (login-service-type config =>
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| 127 | (login-configuration
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| 128 | (inherit config)
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| 129 | (motd vm-image-motd)))
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| 130 |
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| 131 | ;; Install and run the current Guix rather than an older
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| 132 | ;; snapshot.
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| 133 | (guix-service-type config =>
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| 134 | (guix-configuration
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| 135 | (inherit config)
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| 136 | (guix (current-guix))))))))
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| 137 |
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| 138 | ;; Allow resolution of '.local' host names with mDNS.
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| 139 | (name-service-switch %mdns-host-lookup-nss))
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