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add swapfile

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This commit is contained in:
Leonardo Eugênio 2022-08-07 13:59:05 -03:00
parent 82b4213975
commit 5cf6554f0e
1 changed files with 22 additions and 1 deletions
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23
system/monolith-hardware-configuration.nix
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@ -47,7 +47,6 @@
fsType = "btrfs";
options = [ "subvol=@torrents" "nofail" ];
};
swapDevices = [ ];
services.udev.extraRules = ''
ACTION=="add", SUBSYSTEM=="pci", DRIVER=="pcieport", ATTR{power/wakeup}="disabled"
'';
@ -60,4 +59,26 @@
hardware.cpu.amd.updateMicrocode =
lib.mkDefault config.hardware.enableRedistributableFirmware;
networking.hostName = "monolith"; # Define your hostname.
# swap
systemd.services = {
create-swapfile = {
serviceConfig.Type = "oneshot";
wantedBy = [ "swap-swapfile.swap" ];
script = ''
${pkgs.coreutils}/bin/truncate -s 0 /swap/swapfile
${pkgs.e2fsprogs}/bin/chattr +C /swap/swapfile
${pkgs.btrfs-progs}/bin/btrfs property set /swap/swapfile compression none
'';
};
};
fileSystems."/swap" = {
device = "/dev/disk/by-label/BTRFS_ROOT";
fsType = "btrfs";
options = [ "subvol=swap" ]; # Note these options effect the entire BTRFS filesystem and not just this volume, with the exception of `"subvol=swap"`, the other options are repeated in my other `fileSystem` mounts
};
swapDevices = [{
device = "/swap/swapfile";
size = (1024 * 16) + (1024 * 2); # RAM size + 2 GB
}];
}