nixpkgs/nixos/modules/virtualisation/xen-domU.nix
Jörg Thalheim 1590461887 ntp: make timesyncd the new default
- most nixos user only require time synchronisation,
  while ntpd implements a battery-included ntp server (1,215 LOCs of C-Code vs 64,302)
- timesyncd support ntp server per interface (if configured through dhcp for instance)
- timesyncd is already included in the systemd package, switching to it would
  save a little disk space (1,5M)
2016-12-17 00:00:45 +01:00

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Nix

# 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;
}