ma iso: add justdoit,target-config.nix
This commit is contained in:
makefu
parent
71d782a50a
commit
001acc5a52
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@ -3,20 +3,32 @@
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with import <stockholm/lib>;
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{
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imports = [
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<stockholm/makefu>
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#<stockholm/makefu>
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<nixpkgs/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix>
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<nixpkgs/nixos/modules/installer/cd-dvd/channel.nix>
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<stockholm/makefu/2configs/tools/core.nix>
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# <stockholm/makefu/2configs/tools/core.nix>
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./justdoit.nix
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{
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kexec.justdoit = {
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# bootSize = 512;
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rootDevice = "/dev/sdb";
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swapSize = 1024;
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bootType = "vfat";
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luksEncrypt = true;
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uefi = true;
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};
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}
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];
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boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
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# TODO: NIX_PATH and nix.nixPath are being set by default.nix right now
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# cd ~/stockholm ; nix-build -A config.system.build.isoImage -I nixos-config=makefu/1systems/iso.nix -I secrets=/home/makefu/secrets/iso /var/src/nixpkgs/nixos
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krebs.build.host = { cores = 0; };
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# cd ~/stockholm ; nix-build -A config.system.build.isoImage -I nixos-config=makefu/1systems/iso/config.nix -I secrets=/home/makefu/secrets/iso /var/src/nixpkgs/nixos
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#krebs.build.host = { cores = 0; };
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isoImage.isoBaseName = lib.mkForce "stockholm";
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krebs.hidden-ssh.enable = true;
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environment.systemPackages = with pkgs; [
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aria2
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ddrescue
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];
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#krebs.hidden-ssh.enable = true;
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# environment.systemPackages = with pkgs; [
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# aria2
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# ddrescue
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# ];
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environment.extraInit = ''
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EDITOR=vim
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'';
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@ -0,0 +1,128 @@
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{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.kexec.justdoit;
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x = if cfg.nvme then "p" else "";
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in {
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options = {
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kexec.justdoit = {
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rootDevice = mkOption {
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type = types.str;
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default = "/dev/sda";
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description = "the root block device that justdoit will nuke from orbit and force nixos onto";
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};
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bootSize = mkOption {
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type = types.int;
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default = 256;
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description = "size of /boot in mb";
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};
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bootType = mkOption {
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type = types.enum [ "ext4" "vfat" "zfs" ];
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default = "ext4";
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};
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swapSize = mkOption {
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type = types.int;
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default = 1024;
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description = "size of swap in mb";
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};
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poolName = mkOption {
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type = types.str;
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default = "tank";
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description = "zfs pool name";
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};
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luksEncrypt = mkOption {
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type = types.bool;
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default = false;
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description = "encrypt all of zfs and swap";
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};
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uefi = mkOption {
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type = types.bool;
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default = false;
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description = "create a uefi install";
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};
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nvme = mkOption {
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type = types.bool;
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default = false;
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description = "rootDevice is nvme";
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};
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};
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};
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config = let
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mkBootTable = {
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ext4 = "mkfs.ext4 $NIXOS_BOOT -L NIXOS_BOOT";
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vfat = "mkfs.vfat $NIXOS_BOOT -n NIXOS_BOOT";
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zfs = "";
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};
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in lib.mkIf true {
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system.build.justdoit = pkgs.writeScriptBin "justdoit" ''
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#!${pkgs.stdenv.shell}
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set -e
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vgchange -a n
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wipefs -a ${cfg.rootDevice}
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dd if=/dev/zero of=${cfg.rootDevice} bs=512 count=10000
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sfdisk ${cfg.rootDevice} <<EOF
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label: gpt
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device: ${cfg.rootDevice}
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unit: sectors
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${lib.optionalString (cfg.bootType != "zfs") "1 : size=${toString (2048 * cfg.bootSize)}, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4"}
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${lib.optionalString (! cfg.uefi) "4 : size=4096, type=21686148-6449-6E6F-744E-656564454649"}
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2 : size=${toString (2048 * cfg.swapSize)}, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F
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3 : type=0FC63DAF-8483-4772-8E79-3D69D8477DE4
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EOF
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${if cfg.luksEncrypt then ''
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cryptsetup luksFormat ${cfg.rootDevice}${x}2
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cryptsetup open --type luks ${cfg.rootDevice}${x}2 swap
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cryptsetup luksFormat ${cfg.rootDevice}${x}3
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cryptsetup open --type luks ${cfg.rootDevice}${x}3 root
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export ROOT_DEVICE=/dev/mapper/root
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export SWAP_DEVICE=/dev/mapper/swap
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'' else ''
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export ROOT_DEVICE=${cfg.rootDevice}${x}3
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export SWAP_DEVICE=${cfg.rootDevice}${x}2
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''}
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${lib.optionalString (cfg.bootType != "zfs") "export NIXOS_BOOT=${cfg.rootDevice}${x}1"}
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mkdir -p /mnt
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${mkBootTable.${cfg.bootType}}
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mkswap $SWAP_DEVICE -L NIXOS_SWAP
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zpool create -o ashift=12 -o altroot=/mnt ${cfg.poolName} $ROOT_DEVICE
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zfs create -o mountpoint=legacy ${cfg.poolName}/root
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zfs create -o mountpoint=legacy ${cfg.poolName}/home
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zfs create -o mountpoint=legacy ${cfg.poolName}/nix
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swapon $SWAP_DEVICE
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mount -t zfs ${cfg.poolName}/root /mnt/
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mkdir /mnt/{home,nix,boot}
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mount -t zfs ${cfg.poolName}/home /mnt/home/
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mount -t zfs ${cfg.poolName}/nix /mnt/nix/
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${lib.optionalString (cfg.bootType != "zfs") "mount $NIXOS_BOOT /mnt/boot/"}
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nixos-generate-config --root /mnt/
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hostId=$(echo $(head -c4 /dev/urandom | od -A none -t x4))
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cp ${./target-config.nix} /mnt/etc/nixos/configuration.nix
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cat > /mnt/etc/nixos/generated.nix <<EOF
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{ ... }:
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{
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${if cfg.uefi then ''
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boot.loader.grub.efiInstallAsRemovable = true;
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boot.loader.grub.efiSupport = true;
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boot.loader.grub.device = "nodev";
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'' else ''
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boot.loader.grub.device = "${cfg.rootDevice}";
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''}
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networking.hostId = "$hostId"; # required for zfs use
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${lib.optionalString cfg.luksEncrypt ''
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boot.initrd.luks.devices = [
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{ name = "swap"; device = "${cfg.rootDevice}${x}2"; preLVM = true; }
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{ name = "root"; device = "${cfg.rootDevice}${x}3"; preLVM = true; }
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];
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''}
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}
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EOF
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nixos-install
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umount /mnt/home /mnt/nix ${lib.optionalString (cfg.bootType != "zfs") "/mnt/boot"} /mnt
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zpool export ${cfg.poolName}
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swapoff $SWAP_DEVICE
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'';
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environment.systemPackages = [ config.system.build.justdoit ];
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boot.supportedFilesystems = [ "zfs" ];
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};
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}
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@ -0,0 +1,40 @@
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{ ... }:
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{
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imports = [ ./hardware-configuration.nix ./generated.nix ];
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boot.loader.grub.enable = true;
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boot.loader.grub.version = 2;
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boot.zfs.devNodes = "/dev"; # fixes some virtualmachine issues
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boot.zfs.forceImportRoot = false;
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boot.zfs.forceImportAll = false;
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boot.kernelParams = [
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"boot.shell_on_fail"
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"panic=30" "boot.panic_on_fail" # reboot the machine upon fatal boot issues
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];
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users.users.root.openssh.authorizedKeys.keys = [ "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCl3RTOHd5DLiVeUbUr/GSiKoRWknXQnbkIf+uNiFO+XxiqZVojPlumQUVhasY8UzDzj9tSDruUKXpjut50FhIO5UFAgsBeMJyoZbgY/+R+QKU00Q19+IiUtxeFol/9dCO+F4o937MC0OpAC10LbOXN/9SYIXueYk3pJxIycXwUqhYmyEqtDdVh9Rx32LBVqlBoXRHpNGPLiswV2qNe0b5p919IGcslzf1XoUzfE3a3yjk/XbWh/59xnl4V7Oe7+iQheFxOT6rFA30WYwEygs5As//ZYtxvnn0gA02gOnXJsNjOW9irlxOUeP7IOU6Ye3WRKFRR0+7PS+w8IJLag2xb" ];
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boot.tmpOnTmpfs = true;
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programs.bash.enableCompletion = true;
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services.journald.extraConfig = ''
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SystemMaxUse=1G
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RuntimeMaxUse=128M
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'';
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# minimal
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programs.command-not-found.enable = false;
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time.timeZone = "Europe/Berlin";
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programs.ssh.startAgent = false;
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nix.useSandbox = true;
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users.mutableUsers = false;
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networking.firewall.rejectPackets = true;
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networking.firewall.allowPing = true;
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services.openssh.enable = true;
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i18n = {
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consoleKeyMap = "us";
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defaultLocale = "en_US.UTF-8";
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};
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boot.kernel.sysctl = {
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"net.ipv6.conf.all.use_tempaddr" = 2;
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"net.ipv6.conf.default.use_tempaddr" = 2;
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};
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services.nscd.enable = false;
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}
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