nixos-config/nixos/machines/orbi/hardware-configuration/default.nix
2024-03-03 21:58:52 +01:00

107 lines
4 KiB
Nix

{ config, pkgs, modulesPath, lib, ... }:
let
# in rescue shell
# ---------------
# apt install -y lshw
# lshw -C network | grep -Poh 'driver=[[:alnum:]]+'
networkInterfaceModule = "e1000e";
# ip addr
networkInterface = "enp0s31f6";
# From the Hetzner control panel
ipv4 = {
address = "95.216.66.212"; # the ip address
gateway = "95.216.66.193"; # the gateway ip address
netmask = "255.255.255.192"; # the netmask -- might not be the same for you!
prefixLength = 26; # must match the netmask, see <https://www.pawprint.net/designresources/netmask-converter.php>
};
ipv6 = {
address = "2a01:4f9:2b:326::2"; # the ipv6 addres
gateway = "fe80::1"; # the ipv6 gateway
prefixLength = 64; # shown in the control panel
};
in
{
system.stateVersion = "23.11";
imports = [
./disko-config.nix
./hardware-configuration.nix
];
services.smartd.enable = true;
# Use GRUB2 as the boot loader.
# We don't use systemd-boot because Hetzner uses BIOS legacy boot.
boot.loader.grub = {
enable = true;
efiSupport = false; # we created a ef02 partition because uefi is not supported on hetzner online machines.
};
# Initial empty root password for easy login:
users.users.root.initialHashedPassword = "";
services.openssh.settings.PermitRootLogin = "prohibit-password";
services.openssh.settings.PasswordAuthentication = false;
# todo : move this to the flake, this is always true
users.users.root.openssh.authorizedKeys.keys = [
"ssh-rsa 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"
];
services.openssh.enable = true;
services.sshguard.enable = true;
boot.tmp.useTmpfs = true; # make /tmp a tmpfs (performance!)
boot.supportedFilesystems = [ "zfs" ];
# head -c4 /dev/urandom | od -A none -t x4
networking.hostId = "5bb982a6";
systemd.network.networks."10-uplink".networkConfig.Address = ipv6.address;
boot.initrd.kernelModules = [ networkInterfaceModule ];
boot.initrd.network = {
enable = true;
ssh = {
enable = true;
authorizedKeys = config.users.users.root.openssh.authorizedKeys.keys;
port = 2222;
hostKeys = [
# make sure you use --copy-host-keys during nixos-anywhere
# (you can create ne ssh keys later, again)
# rm /etc/ssh/ssh_host_* && systemctl restart sshd.service
/etc/ssh/ssh_host_rsa_key
/etc/ssh/ssh_host_ed25519_key
];
};
};
# enable ssh on init
# ==================
# No SystemD at boot
# ------------------
#boot.kernelParams = [
# # See <https://www.kernel.org/doc/Documentation/filesystems/nfs/nfsroot.txt> for docs on this
# # ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>:<dns0-ip>:<dns1-ip>:<ntp0-ip>
# # The server ip refers to the NFS server -- we don't need it.
# "ip=${ipv4.address}::${ipv4.gateway}:${ipv4.netmask}:${hostName}-initrd:${networkInterface}:off:8.8.8.8"
#];
#boot.initrd.systemd.enable = false;
#boot.kernelParams = [ "ip=dhcp" ];
#boot.initrd.network.ssh.shell = "/bin/cryptsetup-askpass";
#boot.initrd.luks.reusePassphrases = true;
# SystemD at boot
# ---------------
boot.initrd.systemd.enable = true;
#boot.initrd.systemd.services.openssh.enable = true;
boot.initrd.systemd.network.networks."10-uplink" = config.systemd.network.networks."10-uplink";
}