134 lines
4.3 KiB
Nix
134 lines
4.3 KiB
Nix
# Edit this configuration file to define what should be installed on
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# your system. Help is available in the configuration.nix(5) man page
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# and in the NixOS manual (accessible by running ‘nixos-help’).
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{ config, pkgs, ... }:
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{
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imports =
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[
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./hardware-configuration.nix
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./acme.nix
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./sshusers.nix
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./variables.nix
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./mailserver.nix
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./borgbackup.nix
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./nginx.nix
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./hopglass-frontend.nix
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./gitolite.nix
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];
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# Configuration options for the mailserver
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variables = {
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mailAdmin = "postmaster@mail.hamburg.freifunk.net";
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useSSL = true;
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};
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# Use the GRUB 2 boot loader.
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boot.loader.grub.enable = true;
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boot.loader.grub.version = 2;
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# boot.loader.grub.efiSupport = true;
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# boot.loader.grub.efiInstallAsRemovable = true;
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# boot.loader.efi.efiSysMountPoint = "/boot/efi";
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# Define on which hard drive you want to install Grub.
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boot.loader.grub.device = "/dev/vda"; # or "nodev" for efi only
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networking = {
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hostName = "mail2";
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domain = "hamburg.freifunk.net";
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dhcpcd.enable = false;
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interfaces.ens3 = {
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ipv4.addresses = [ { address = "193.96.224.229"; prefixLength = 29; } ];
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ipv4.routes = [
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{ address = "100.64.112.248"; prefixLength = 29; }
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{ address = "10.112.0.0"; prefixLength = 16; via = "100.64.112.251"; }
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];
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ipv6.addresses = [ { address = "2a03:2267:ffff:c00::e"; prefixLength = 64; } ];
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};
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defaultGateway = { address = "193.96.224.225"; };
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defaultGateway6 = { address = "2a03:2267:ffff:c00::1"; };
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nameservers = [
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"46.182.19.48" "2a02:2970:1002::18" # Digitalcourage DNS Server
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"194.150.168.168" # AS250, https://www.ccc.de/de/censorship/dns-howto
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];
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firewall.rejectPackets = true;
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firewall.logRefusedConnections = false;
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};
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# Automatic update each day at 04:40. Will not restart the system, so a reboot every now and then is a good idea.
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system.autoUpgrade.enable = true;
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system.autoUpgrade.allowReboot = true;
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nix = {
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autoOptimiseStore = true;
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gc.automatic = true;
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gc.options = "--delete-older-than 14d";
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};
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# Select internationalisation properties.
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i18n = {
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# consoleFont = "Lat2-Terminus16";
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# consoleKeyMap = "us";
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defaultLocale = "de_DE.UTF-8";
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};
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# Set your time zone.
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time.timeZone = "Europe/Berlin";
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# List packages installed in system profile. To search, run:
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# $ nix search wget
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environment.systemPackages = with pkgs; [
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git htop lsof nano screen sqlite tcpdump traceroute vim wget
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];
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# Some programs need SUID wrappers, can be configured further or are
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# started in user sessions.
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programs.mtr.enable = true;
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# programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
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programs.screen.screenrc = ''
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hardstatus alwayslastline
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hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B} %m-%d %{W}%c:%s %{g}]'
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defscrollback 1000
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'';
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# List services that you want to enable:
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# Enable the OpenSSH daemon.
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services.openssh = {
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enable = true;
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# Only allow login through pubkey
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passwordAuthentication = false;
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};
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# Support mosh connections
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programs.mosh.enable = true;
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# Open ports in the firewall.
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# networking.firewall.allowedTCPPorts = [ ... ];
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# networking.firewall.allowedUDPPorts = [ ... ];
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# Or disable the firewall altogether.
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# networking.firewall.enable = false;
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# User configuration for root.
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# Other users are defined in sshusers.nix
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users.extraUsers.root = {
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hashedPassword = "!";
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};
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users.motd = with config; ''
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Welcome to ${networking.hostName}.${networking.domain}
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- This server is NixOS
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- All changes must be done through the git repository at
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/etc/nixos or https://github.com/freifunkhamburg/mail2-nixos-config/
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- Other changes will be lost
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OS: NixOS ${system.nixos.release} (${system.nixos.codeName})
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Version: ${system.nixos.version}
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Kernel: ${boot.kernelPackages.kernel.version}
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'';
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# This value determines the NixOS release with which your system is to be
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# compatible, in order to avoid breaking some software such as database
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# servers. You should change this only after NixOS release notes say you
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# should.
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system.stateVersion = "19.03"; # Did you read the comment?
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}
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