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{ config, pkgs, ... }:
{ environment.systemPackages = with pkgs; [
fuse_exfat
cryptsetup
dmidecode
hdparm
pciutils
usbutils
];
services.udev.extraRules = ''
# set scheduler for NVMe
ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/scheduler}="none"
# 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}="bfq"
'';
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;
};
zramSwap = {
enable = true;
algorithm = "zstd";
};
boot.tmpOnTmpfs = true;
fileSystems."/".options = [ "noatime" "nodiratime" ];
fileSystems."/home".options = [ "noatime" "nodiratime" ];
}
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