gistfile1.txt

  services.udev.extraRules = ''
    # The next line sets the scheduler only for non-rotational disks
    ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="noop"
    ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="deadline"
    # Some power management...
    # PCI runtime power management
    ACTION=="add", SUBSYSTEM=="pci", ATTR{power/control}="auto"
    # USB autosuspend
    ACTION=="add", SUBSYSTEM=="usb", ATTR{power/control}="auto"
    ACTION=="add", SUBSYSTEM=="usb", TEST=="power/autosuspend" ATTR{power/autosuspend}="60"
    # SATA active link power management
    SUBSYSTEM=="scsi_host", KERNEL=="host*", ATTR{link_power_management_policy}="min_power"
    # Wlan power save
    ACTION=="add", SUBSYSTEM=="net", KERNEL=="wlan*" RUN+="${pkgs.iw.out}/bin/iw dev %k set power_save on"
    # Disable bluetooth
    SUBSYSTEM=="rfkill", ATTR{type}=="bluetooth", ATTR{state}="0"
    # Disable wake-on-LAN
    ACTION=="add", SUBSYSTEM=="net", KERNEL=="eth*" RUN+="${pkgs.ethtool.out}/bin/ethtool -s %k wol d"
    # Configure disk spin down after 5 minutes...
    ACTION=="add", SUBSYSTEM=="block", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", RUN+="${pkgs.hdparm}/bin/hdparm -S 60 /dev/sda"
    # Yubikey
    ACTION=="add", ATTR{idVendor}=="1050", ATTR{manufacturer}=="Yubico", GROUP="users"
  '';