guix-systems/systems/basic-vm.scm

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2024-11-29 11:09:04 +00:00
;; This is an operating system configuration template
;; for a "bare bones" setup, with no X11 display server.
(use-modules (gnu))
(use-service-modules networking ssh)
(use-package-modules screen ssh)
(operating-system
(host-name "little-rascal")
(timezone "Europe/London")
(locale "en_GB.utf8")
(keyboard-layout (keyboard-layout "gb" "dvorak"))
;; Boot in "legacy" BIOS mode, assuming /dev/sdX is the
;; target hard disk, and "my-root" is the label of the target
;; root file system.
(bootloader (bootloader-configuration
(bootloader grub-bootloader)
(targets '("/dev/vda"))))
;; It's fitting to support the equally bare bones -nographic
;; QEMU option, which also nicely sidesteps forcing QWERTY.
(kernel-arguments (list "console=ttyS0,115200"))
(file-systems (cons (file-system
(device (file-system-label "/dev/vda1"))
(mount-point "/")
(type "ext4"))
%base-file-systems))
;; This is where user accounts are specified. The "root"
;; account is implicit, and is initially created with the
;; empty password.
(users (cons (user-account
(name "ray")
(comment "Ray Miller")
(group "users")
;; Adding the account to the "wheel" group
;; makes it a sudoer. Adding it to "audio"
;; and "video" allows the user to play sound
;; and access the webcam.
(supplementary-groups '("wheel")))
%base-user-accounts))
(sudoers-file (plain-file "sudoers" "\
root ALL=(ALL) ALL
%wheel ALL=(ALL) NOPASSWD:ALL\n"))
;; Globally-installed packages.
(packages (cons screen %base-packages))
;; Add services to the baseline: a DHCP client and
;; an SSH server.
(services (append (list (service dhcp-client-service-type)
(service openssh-service-type
(openssh-configuration
(password-authentication? #f)
(permit-root-login 'prohibit-password)
(authorized-keys
`(("ray" ,(local-file "/home/ray/.ssh/id_rsa.pub"))
("root" ,(local-file "/home/ray/.ssh/id_rsa.pub"))))
(openssh openssh-sans-x)
(port-number 22))))
%base-services)))