baseImage: tinkering with overcommit

pkgs/uvmslib/uvmslib.py

@@ -73,8 +73,8 @@ class Processes:
                 text=text,
                 env=env,
                 cwd="/home/user",
-                stdin=subprocess.PIPE,
-                stdout=subprocess.PIPE,
+                stdin=None,
+                stdout=None,
             )
             res["status"] = "exec succeeded"
         except Exception as e:

profiles/baseImage.nix

@@ -45,6 +45,11 @@ in
     hardware.graphics.enable = true;
     # boot.kernelPackages = pkgs.linuxPackagesFor uvmsPkgs.linux-uvm;
     # boot.isContainer = true;
+    boot.kernel.sysctl = {
+        "vm.overcommit_memory" = 1; # "always"
+        # "vm.overcommit_memory" = 2; # "never"
+        "vm.panic_on_oom" = 1;
+    };
     boot.initrd.kernelModules = [
       "drm"
       "virtio_blk"