{
pkgs,
...
}:
{
environment.systemPackages = with pkgs; [
exfatprogs
efibootmgr
dmidecode
hdparm
pciutils
usbutils
xfsprogs
];
services.logind = {
settings.Login = {
IdleAction = "suspend";
IdleActionSec = 1800;
HandlePowerKey = "suspend";
HandlePowerKeyLongPress = "poweroff";
PowerKeyIgnoreInhibited = true;
};
};
services.udev.extraRules = ''
# set scheduler for NVMe
ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/scheduler}="kyber"
ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/iosched/read_lat_nsec}="100000"
# set scheduler for SSD and eMMC
ACTION=="add|change", KERNEL=="sd[a-z]|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="mq-deadline"
# set scheduler for rotating disks
ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="kyber"
'';
boot.kernelModules = [ "tcp_bbr" ];
boot.kernel.sysctl = {
"net.core.default_qdisc" = "cake";
"net.ipv4.tcp_allowed_congestion_control" = "bbr illinois reno lp";
"net.ipv4.tcp_congestion_control" = "bbr";
"net.ipv4.tcp_fastopen" = 3;
"net.ipv4.tcp_slow_start_after_idle" = 0;
"net.ipv4.tcp_mtu_probing" = 1;
"net.core.rmem_max" = 2500000;
"net.core.wmem_max" = 2500000;
};
zramSwap = {
enable = true;
algorithm = "zstd";
};
boot.tmp.useTmpfs = true;
fileSystems."/".options = [
"noatime"
"nodiratime"
];
}
system/settings/hardware/bare-metal.nix (view raw)