1# Common configuration for headless machines (e.g., Amazon EC2
2# instances).
3
4{ lib, ... }:
5
6with lib;
7
8{
9 # Don't start a tty on the serial consoles.
10 systemd.services."serial-getty@ttyS0".enable = lib.mkDefault false;
11 systemd.services."serial-getty@hvc0".enable = false;
12 systemd.services."getty@tty1".enable = false;
13 systemd.services."autovt@".enable = false;
14
15 # Since we can't manually respond to a panic, just reboot.
16 boot.kernelParams = [
17 "panic=1"
18 "boot.panic_on_fail"
19 "vga=0x317"
20 "nomodeset"
21 ];
22
23 # Don't allow emergency mode, because we don't have a console.
24 systemd.enableEmergencyMode = false;
25
26 # Being headless, we don't need a GRUB splash image.
27 boot.loader.grub.splashImage = null;
28}