d804730382
problem: the nix language assert function can't be used because
of the fix-style used in modular-nixos. A minimal stripped down version
illustrating the problem looks like this:
fix (x : assert x.cfg.foo; { upstartJob = ...; cfg = ...; } )
Now nix has to evaluate x.cfg.foo in order to check the assertion.
However to do so it has to access x.cfg.foo beeing defined in the body
The body can only be evaluated after the assertion passes.
So in the end you get an infinite recursion error.
pierron mentioned that adding another mkIf like function could
work. Maybe this implementation is even simpler. It adds
another option collecting assertions only.
The evaluation is forced by a function adding an empty list to
extraPackages. extraPackages is evaluated by nixos in all cases.
If there are assertions evaluating to false all assertion messages are
presented to the user using throw.
svn path=/nixos/branches/modular-nixos/; revision=15387
510 lines
15 KiB
Nix
510 lines
15 KiB
Nix
{pkgs, config, ...}:
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let
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inherit (pkgs.lib) mkOption mergeOneOption;
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in
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{
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time = {
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timeZone = mkOption {
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default = "CET";
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example = "America/New_York";
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description = "The time zone used when displaying times and dates.";
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};
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};
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boot = {
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isLiveCD = mkOption {
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default = false;
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description = "
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If set to true, the root device will be mounted read-only and
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a ramdisk will be mounted on top of it using unionfs to
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provide a writable root. This is used for the NixOS
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Live-CD/DVD.
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";
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};
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resumeDevice = mkOption {
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default = "";
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example = "0:0";
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description = "
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Device for manual resume attempt during boot. Looks like
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major:minor. ls -l /dev/SWAP_PARTION shows them.
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";
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};
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hardwareScan = mkOption {
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default = true;
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description = "
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Whether to try to load kernel modules for all detected hardware.
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Usually this does a good job of providing you with the modules
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you need, but sometimes it can crash the system or cause other
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nasty effects. If the hardware scan is turned on, it can be
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disabled at boot time by adding the <literal>safemode</literal>
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parameter to the kernel command line.
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";
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};
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initrd = {
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allowMissing = mkOption {
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default = false;
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description = ''
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Allow some initrd components to be missing. Useful for
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custom kernel that are changed too often to track needed
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kernelModules.
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'';
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};
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lvm = mkOption {
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default = true;
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description = "
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Whether to include lvm in the initial ramdisk. You should use this option
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if your ROOT device is on lvm volume.
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";
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};
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enableSplashScreen = mkOption {
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default = true;
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description = "
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Whether to show a nice splash screen while booting.
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";
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};
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};
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copyKernels = mkOption {
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default = false;
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description = "
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Whether the Grub menu builder should copy kernels and initial
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ramdisks to /boot. This is necessary when /nix is on a
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different file system than /boot.
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";
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};
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localCommands = mkOption {
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default = "";
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example = "text=anything; echo You can put $text here.";
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description = "
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Shell commands to be executed just before Upstart is started.
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";
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};
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extraTTYs = mkOption {
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default = [];
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example = [8 9];
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description = "
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Tty (virtual console) devices, in addition to the consoles on
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which mingetty and syslogd run, that must be initialised.
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Only useful if you have some program that you want to run on
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some fixed console. For example, the NixOS installation CD
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opens the manual in a web browser on console 7, so it sets
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<option>boot.extraTTYs</option> to <literal>[7]</literal>.
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";
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};
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};
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system = {
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# NSS modules. Hacky!
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nssModules = mkOption {
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internal = true;
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default = [];
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description = "
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Search path for NSS (Name Service Switch) modules. This allows
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several DNS resolution methods to be specified via
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<filename>/etc/nsswitch.conf</filename>.
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";
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merge = pkgs.lib.mergeListOption;
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apply = list:
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let
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list2 =
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list
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++ pkgs.lib.optional config.users.ldap.enable pkgs.nss_ldap;
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in {
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list = list2;
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path = pkgs.lib.makeLibraryPath list2;
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};
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};
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modulesTree = mkOption {
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internal = true;
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default = [];
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description = "
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Tree of kernel modules. This includes the kernel, plus modules
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built outside of the kernel. Combine these into a single tree of
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symlinks because modprobe only supports one directory.
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";
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merge = pkgs.lib.mergeListOption;
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# Convert the list of path to only one path.
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apply = pkgs.aggregateModules;
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};
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sbin = {
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modprobe = mkOption {
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# should be moved in module-init-tools
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internal = true;
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default = pkgs.substituteAll {
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dir = "sbin";
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src = ./modprobe;
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isExecutable = true;
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inherit (pkgs) module_init_tools;
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inherit (config.system) modulesTree;
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};
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description = "
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Path to the modprobe binary used by the system.
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";
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};
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# !!! The mount option should not stay in /system/option.nix
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mount = mkOption {
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internal = true;
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default = pkgs.utillinuxng.override {
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buildMountOnly = true;
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mountHelpers = pkgs.buildEnv {
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name = "mount-helpers";
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paths = [
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pkgs.ntfs3g
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pkgs.mount_cifs
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pkgs.nfsUtils
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];
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pathsToLink = "/sbin";
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} + "/sbin";
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};
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description = "
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Install a special version of mount to search mount tools in
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unusual path.
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";
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};
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};
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};
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networking = {
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hostName = mkOption {
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default = "nixos";
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description = "
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The name of the machine. Leave it empty if you want to obtain
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it from a DHCP server (if using DHCP).
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";
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};
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nativeIPv6 = mkOption {
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default = false;
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description = "
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Whether to use IPv6 even though gw6c is not used. For example,
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for Postfix.
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";
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};
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extraHosts = mkOption {
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default = "";
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example = "192.168.0.1 lanlocalhost";
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description = ''
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Additional entries to be appended to <filename>/etc/hosts</filename>.
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'';
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};
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defaultGateway = mkOption {
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default = "";
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example = "131.211.84.1";
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description = "
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The default gateway. It can be left empty if it is auto-detected through DHCP.
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";
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};
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nameservers = mkOption {
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default = [];
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example = ["130.161.158.4" "130.161.33.17"];
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description = "
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The list of nameservers. It can be left empty if it is auto-detected through DHCP.
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";
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};
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domain = mkOption {
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default = "";
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example = "home";
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description = "
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The domain. It can be left empty if it is auto-detected through DHCP.
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";
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};
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localCommands = mkOption {
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default = "";
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example = "text=anything; echo You can put $text here.";
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description = "
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Shell commands to be executed at the end of the
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<literal>network-interfaces</literal> Upstart job. Note that if
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you are using DHCP to obtain the network configuration,
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interfaces may not be fully configured yet.
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";
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};
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defaultMailServer = {
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directDelivery = mkOption {
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default = false;
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example = true;
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description = "
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Use the trivial Mail Transfer Agent (MTA)
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<command>ssmtp</command> package to allow programs to send
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e-mail. If you don't want to run a ``real'' MTA like
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<command>sendmail</command> or <command>postfix</command> on
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your machine, set this option to <literal>true</literal>, and
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set the option
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<option>networking.defaultMailServer.hostName</option> to the
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host name of your preferred mail server.
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";
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};
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hostName = mkOption {
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example = "mail.example.org";
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description = "
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The host name of the default mail server to use to deliver
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e-mail.
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";
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};
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domain = mkOption {
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default = "";
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example = "example.org";
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description = "
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The domain from which mail will appear to be sent.
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";
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};
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useTLS = mkOption {
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default = false;
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example = true;
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description = "
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Whether TLS should be used to connect to the default mail
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server.
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";
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};
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useSTARTTLS = mkOption {
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default = false;
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example = true;
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description = "
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Whether the STARTTLS should be used to connect to the default
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mail server. (This is needed for TLS-capable mail servers
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running on the default SMTP port 25.)
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";
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};
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};
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};
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fileSystems = mkOption {
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default = null;
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example = [
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{ mountPoint = "/";
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device = "/dev/hda1";
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}
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{ mountPoint = "/data";
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device = "/dev/hda2";
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fsType = "ext3";
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options = "data=journal";
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}
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{ mountPoint = "/bigdisk";
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label = "bigdisk";
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}
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];
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description = "
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The file systems to be mounted. It must include an entry for
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the root directory (<literal>mountPoint = \"/\"</literal>). Each
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entry in the list is an attribute set with the following fields:
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<literal>mountPoint</literal>, <literal>device</literal>,
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<literal>fsType</literal> (a file system type recognised by
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<command>mount</command>; defaults to
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<literal>\"auto\"</literal>), and <literal>options</literal>
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(the mount options passed to <command>mount</command> using the
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<option>-o</option> flag; defaults to <literal>\"defaults\"</literal>).
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Instead of specifying <literal>device</literal>, you can also
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specify a volume label (<literal>label</literal>) for file
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systems that support it, such as ext2/ext3 (see <command>mke2fs
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-L</command>).
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<literal>autocreate</literal> forces <literal>mountPoint</literal> to be created with
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<command>mkdir -p</command> .
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";
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};
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swapDevices = mkOption {
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default = [];
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example = [
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{ device = "/dev/hda7"; }
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{ device = "/var/swapfile"; }
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{ label = "bigswap"; }
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];
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description = "
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The swap devices and swap files. These must have been
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initialised using <command>mkswap</command>. Each element
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should be an attribute set specifying either the path of the
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swap device or file (<literal>device</literal>) or the label
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of the swap device (<literal>label</literal>, see
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<command>mkswap -L</command>). Using a label is
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recommended.
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";
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};
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nesting = {
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children = mkOption {
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default = [];
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description = "
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Additional configurations to build.
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";
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};
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};
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passthru = mkOption {
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default = {};
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description = "
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Additional parameters. Ignored. When you want to be sure that
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/etc/nixos/nixos -A config.passthru.* is that same thing the
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system rebuild will use.
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";
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};
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require = [
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(import ../system/assertion.nix)
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# boot (is it the right place ?)
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(import ../system/kernel.nix)
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(import ../boot/boot-stage-2.nix)
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(import ../installer/grub.nix)
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# system
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(import ../system/system-options.nix)
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(import ../system/activate-configuration.nix)
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(import ../upstart-jobs/default.nix)
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(import ../upstart-jobs/acpid.nix) # ACPI daemon
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(import ../system/unix-odbc-drivers.nix)
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(import ../upstart-jobs/klogd.nix)
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(import ../upstart-jobs/lvm.nix) # Makes LVM logical volumes available.
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(import ../upstart-jobs/swraid.nix) # Activate software RAID arrays.
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(import ../upstart-jobs/filesystems.nix) # Mount file systems.
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(import ../upstart-jobs/swap.nix)
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(import ../upstart-jobs/network-interfaces.nix)
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(import ../upstart-jobs/nscd.nix) # Name service cache daemon.
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(import ../upstart-jobs/maintenance-shell.nix) # Handles the maintenance/stalled event (single-user shell).
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(import ../upstart-jobs/ctrl-alt-delete.nix) # Ctrl-alt-delete action.
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(import ../upstart-jobs/halt.nix) # FIXME (assertion) # Handles the reboot/halt events.
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(import ../upstart-jobs/ifplugd.nix) # ifplugd daemon for monitoring Ethernet cables.
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# security
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(import ../system/sudo.nix)
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# i18n
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(import ../system/i18n.nix)
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# environment
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(import ../etc/default.nix)
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(import ../system/nixos-environment.nix)
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# users
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(import ../system/users-groups.nix)
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# newtworking
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(import ../upstart-jobs/dhclient.nix)
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# hardware
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(import ../upstart-jobs/pcmcia.nix)
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# security
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(import ../system/nixos-security.nix)
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# services
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(import ../upstart-jobs/avahi-daemon.nix)
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(import ../upstart-jobs/atd.nix)
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(import ../upstart-jobs/dbus.nix)
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(import ../upstart-jobs/hal.nix)
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(import ../upstart-jobs/gpm.nix)
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(import ../upstart-jobs/nagios/default.nix)
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(import ../upstart-jobs/xserver/default.nix)
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(import ../upstart-jobs/zabbix-agent.nix)
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(import ../upstart-jobs/zabbix-server.nix)
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(import ../upstart-jobs/disnix.nix)
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(import ../upstart-jobs/consolekit.nix)
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(import ../upstart-jobs/cron.nix)
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(import ../upstart-jobs/fcron.nix)
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(import ../upstart-jobs/cron/locate.nix)
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(import ../upstart-jobs/manual.nix)
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(import ../upstart-jobs/rogue.nix)
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(import ../upstart-jobs/guest-users.nix)
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(import ../upstart-jobs/pulseaudio.nix)
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(import ../upstart-jobs/kbd.nix)
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(import ../upstart-jobs/gw6c.nix) # Gateway6
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(import ../upstart-jobs/syslogd.nix)
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(import ../upstart-jobs/dhcpd.nix)
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(import ../upstart-jobs/sshd.nix)
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(import ../upstart-jobs/lshd.nix) # GNU lshd SSH2 deamon (TODO: does neither start nor generate seed file ?)
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(import ../upstart-jobs/ntpd.nix)
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(import ../upstart-jobs/portmap.nix)
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(import ../upstart-jobs/bitlbee.nix)
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(import ../upstart-jobs/gnunet.nix)
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(import ../upstart-jobs/ejabberd.nix) # untested, dosen't compile on x86_64-linux
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(import ../upstart-jobs/jboss.nix)
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(import ../upstart-jobs/tomcat.nix) # untested, too lazy to get that jdk
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(import ../upstart-jobs/httpd.nix) # Apache httpd (probably this can be removed ?)
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(import ../upstart-jobs/apache-httpd) # Apache httpd (new style).
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(import ../upstart-jobs/vsftpd.nix)
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(import ../upstart-jobs/cupsd.nix) # CUPS printing daemon
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(import ../upstart-jobs/udev.nix) # The udev daemon creates devices nodes and runs programs when hardware events occur.
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(import ../upstart-jobs/samba.nix) # TODO: doesn't start here (?)
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(import ../upstart-jobs/ircd-hybrid.nix) # TODO: doesn't compile on x86_64-linux, can't test
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(import ../upstart-jobs/xfs.nix) # FIXME (assertion)
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(import ../upstart-jobs/mysql.nix)
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(import ../upstart-jobs/postgresql.nix)
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(import ../upstart-jobs/openfire.nix) # FIXME (assertion)
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(import ../upstart-jobs/postfix.nix)
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(import ../upstart-jobs/dovecot.nix)
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(import ../upstart-jobs/bind.nix)
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(import ../upstart-jobs/mingetty.nix) # The terminals on ttyX.
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(import ../upstart-jobs/tty-backgrounds.nix) #FIXME (assertion)
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(import ../upstart-jobs/synergy.nix)
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(import ../upstart-jobs/nfs-kernel.nix)
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# nix
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(import ../upstart-jobs/nix.nix) # nix options and daemon
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(import ../system/nixos-installer.nix)
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#users
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(import ../upstart-jobs/ldap)
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# fonts
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(import ../system/fonts.nix)
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# sound
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|
(import ../upstart-jobs/alsa.nix)
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];
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}
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