2configs: split core and default config

2configs/core.nix

@@ -0,0 +1,59 @@
+{
+  # users are super important
+  users.users = {
+    root.openssh.authorizedKeys.keys = [ config.krebs.users.makefu.pubkey ];
+    makefu = {
+      uid = 9001;
+      group = "users";
+      home = "/home/makefu";
+      createHome = true;
+      isNormalUser = true;
+      useDefaultShell = true;
+      extraGroups = [ "wheel" ];
+      openssh.authorizedKeys.keys = [ config.krebs.users.makefu.pubkey ];
+    };
+  };
+  # nix.settings.trusted-users = [ config.krebs.build.user.name ];
+  nix.settings.experimental-features = [ "flakes" "nix-command" ];
+  environment.systemPackages = with pkgs; [
+      jq
+      git
+      gnumake
+      rxvt-unicode-unwrapped.terminfo
+      htop
+  ];
+
+  #programs.bash.completion.enable = true;
+
+  environment.shellAliases = {
+    # TODO: see .aliases
+    lsl = "ls -lAtr";
+    ip = "ip -c -br";
+    dmesg = "dmesg -L --reltime";
+    psg = "ps -ef | grep";
+    nmap = "nmap -oN $HOME/loot/scan-`date +\%s`.nmap -oX $HOME/loot/scan-`date +%s`.xml";
+    grep = "grep --color=auto";
+  };
+
+  nix.extraOptions = ''
+    auto-optimise-store = true
+  '';
+
+  #security.wrappers.sendmail = {
+  #  source = "${pkgs.exim}/bin/sendmail";
+  #  setuid = true;
+  #};
+  services.journald.extraConfig = ''
+    SystemMaxUse=1G
+    RuntimeMaxUse=128M
+    '';
+  environment.pathsToLink = [ "/share" ];
+  security.acme = {
+    defaults.email = "letsencrypt@syntax-fehler.de";
+    acceptTerms = true;
+  };
+  system.stateVersion = lib.mkDefault "23.05";
+  services.postgresql.package = pkgs.postgresql_14;
+
+  boot.kernel.sysctl."kernel.dmesg_restrict" = 0;
+}