From 9accdbf60c7afd6479e7e5fb5fb933928c1fb981 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Wed, 6 Aug 2025 17:39:46 +0300
Subject: fix(machines/marduk): Fix slow SSH login

---
 machines/marduk/configuration.nix | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/machines/marduk/configuration.nix b/machines/marduk/configuration.nix
index ccae879..71fc1bf 100644
--- a/machines/marduk/configuration.nix
+++ b/machines/marduk/configuration.nix
@@ -13,7 +13,7 @@
     };
   };
 
-  config = {
+  config = rec {
     constants = {
       # I've currently set this IP in my router configuration.
       # It would be better to write a proper static IP NixOS config, but its
@@ -25,5 +25,23 @@
       # work with it.
       tld = "int";
     };
+
+    # This improves SSH speed via server.int
+    # The main problem is that when SSH-ing with server.int, the domain is
+    # queried, however DNS resolution doesn't happen through dnsmasq but
+    # through the nss hosts, which causes ~20 seconds of delay.
+    # Now we're first checking /etc/hosts and then the databases listed.
+    networking.hosts = {
+      ${constants.ip} = [ "server.int" ];
+    };
+    system.nssDatabases.hosts = lib.mkForce [
+      "files"
+      "mymachines"
+      "mdns4_minimal"
+      "[NOTFOUND=return]"
+      "myhostname"
+      "dns"
+      "mdns4"
+    ];
   };
 }
-- 
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