nixpkgs/nixos/modules/virtualisation/xen-domU.nix

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# Common configuration for Xen DomU NixOS virtual machines.
{ config, pkgs, ... }:
{
# We're being booted using pv-grub, which means that we need to
# generate a GRUB 1 menu without actually installing GRUB.
boot.loader.grub.version = 1;
boot.loader.grub.device = "nodev";
boot.loader.grub.extraPerEntryConfig = "root (hd0)";
boot.initrd.kernelModules =
[ "xen-blkfront" "xen-tpmfront" "xen-kbdfront" "xen-fbfront"
"xen-netfront" "xen-pcifront" "xen-scsifront"
];
# Send syslog messages to the Xen console.
services.syslogd.tty = "hvc0";
# Don't run ntpd, since we should get the correct time from Dom0.
services.timesyncd.enable = false;
}