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|
{
pkgs,
lib,
config,
nom,
...
}:
{
imports = [
./expose-vmvariant.nix
./extra-substituters.nix
];
boot = {
initrd.systemd.enable = true;
kernelParams = [
"memory_hotplug.memmap_on_memory=1"
"memhp_default_state=online"
"net.core.default_qdisc=fq"
"net.ipv4.tcp_congestion_control=bbr"
"mitigations=off"
"audit=0"
"consoleblank=0"
"kmemcheck=0"
"no_console_suspend"
"kernel.core_pattern=/dev/null"
"init_on_alloc=0"
"kernel.sysrq=1"
"kernel.dmesg_restrict=0"
"net.ipv4.ip_forward=1"
"vm.swappiness=10"
"net.core.netdev_max_backlog=16384"
"net.core.somaxconn=8192"
"net.core.rmem_default=1048576"
"net.core.rmem_max=16777216"
"net.core.wmem_default=1048576"
"net.core.wmem_max=16777216"
"net.core.optmem_max=65536"
#"net.ipv4.tcp_rmem=4096 1048576 2097152"
#"net.ipv4.tcp_wmem=4096 65536 16777216"
"net.ipv4.udp_rmem_min=4096"
"net.ipv4.udp_wmem_min=4096"
"net.ipv4.tcp_fastopen=3"
"net.ipv4.tcp_mtu_probing=1"
"net.ipv4.tcp_keepalive_time=30"
"net.ipv4.tcp_keepalive_intvl=15"
"net.ipv4.tcp_keepalive_probes=4"
"net.ipv4.tcp_timestamps=0"
];
kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
loader = {
grub = {
enable = lib.mkDefault true;
};
timeout = 1;
};
};
networking = {
hostName = lib.mkDefault "Rory-nix-base";
firewall = {
enable = false;
};
nameservers = lib.mkDefault [
"1.1.1.1"
"1.0.0.1"
"8.8.8.8"
"8.4.4.8"
];
};
environment.etc."resolv.conf" = lib.mkDefault {
text = lib.concatStringsSep "\n" (
lib.optionals (config.networking ? nameservers) (map (nameserver: "nameserver ${nameserver}") (config.networking.nameservers))
#++ lib.optionals (config.networking ? enableIPv6 && !config.networking.enableIPv6) [ "options no-aaaa" ]
++ lib.optionals (config.networking ? enableIPv6 && config.networking.enableIPv6) [
"options single-request"
"options single-request-reopen"
"options inet6"
]
);
};
i18n.defaultLocale = "en_US.UTF-8";
services = {
openssh = {
enable = true;
settings.PermitRootLogin = "yes";
#allow more logins in cases where i have many ssh keys on a system
extraConfig = ''
MaxAuthTries 32
'';
};
resolved = {
enable = lib.mkForce false;
dnssec = lib.mkForce "false";
dnsovertls = lib.mkForce "false";
};
};
systemd = {
sleep.extraConfig = ''
AllowSuspend=no
AllowHibernation=no
'';
};
environment.systemPackages = with pkgs; [
nom.packages.${system}.default
];
systemd.coredump.extraConfig = lib.mkDefault ''
Storage=none
'';
nix = {
settings = {
experimental-features = [
"nix-command"
"flakes"
];
auto-optimise-store = true;
trusted-users = [
"@wheel"
"root"
];
};
};
nixpkgs = {
config.allowUnfree = true;
};
security = {
polkit.enable = true;
sudo.wheelNeedsPassword = false;
};
virtualisation.vmVariant = {
services.getty.autologinUser = "root";
virtualisation = {
memorySize = 8192;
cores = 6;
msize = 1 * 1024 * 1024;
};
services.xserver.videoDrivers = [ "qxl" ];
services.spice-vdagentd.enable = true;
virtualisation.qemu.guestAgent.enable = true;
services.qemuGuest.enable = true;
virtualisation.qemu.options = [
"-vga qxl -device virtio-serial-pci -spice port=5930,disable-ticketing=on -device virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 -chardev spicevmc,id=spicechannel0,name=vdagent"
"-display gtk,zoom-to-fit=off,show-cursor=on"
"-device virtio-balloon"
];
virtualisation.forwardPorts = [
# { hostPort = 2222; guestPort = 22; } # Probably shouldn't do this with root:root lol
{ from = "host"; host.port = 8080; guest.port = 80; }
];
networking.useDHCP = lib.mkOverride 51 true;
};
}
|
