From 62c866fccffbf5ec070b60f46ca5d7244e284d81 Mon Sep 17 00:00:00 2001
From: Antoine Fauroux <antoine.fauroux@uhn.ca>
Date: Thu, 11 Jun 2026 13:12:57 -0400
Subject: [PATCH] kcnhub: earlyoom: kill when running OOM

---
 machines/kcnhub/services.nix          | 1 +
 machines/kcnhub/services/earlyoom.nix | 9 +++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 machines/kcnhub/services/earlyoom.nix

diff --git a/machines/kcnhub/services.nix b/machines/kcnhub/services.nix
index dee489b..4106d88 100644
--- a/machines/kcnhub/services.nix
+++ b/machines/kcnhub/services.nix
@@ -3,6 +3,7 @@
     ./services/ssh.nix
     ./services/xrdp.nix
     ./services/vnc-startup.nix
+    ./services/earlyoom.nix
   ];
   services.vscode-server.enable = true;
 }
diff --git a/machines/kcnhub/services/earlyoom.nix b/machines/kcnhub/services/earlyoom.nix
new file mode 100644
index 0000000..a530e9f
--- /dev/null
+++ b/machines/kcnhub/services/earlyoom.nix
@@ -0,0 +1,9 @@
+{ config, pkgs, lib, ... }: {
+  services.earlyoom = {
+    enable = true;
+    # What % Memory Needs to Be left to send SIGTERM
+    freeMemThreshold = 10;
+    # What % Memory Needs to Be left to send SIGKILL
+    freeMemKillThreshold = 5;
+  };
+}