diff --git a/configuration/upstart.nix b/configuration/upstart.nix
index 27696a2daa7a..256804ad5a41 100644
--- a/configuration/upstart.nix
+++ b/configuration/upstart.nix
@@ -20,7 +20,7 @@ import ../upstart-jobs/gather.nix {
     # The udev daemon creates devices nodes and runs programs when
     # hardware events occur.
     (import ../upstart-jobs/udev.nix {
-      inherit (pkgs) udev procps;
+      inherit (pkgs) writeText cleanSource udev procps;
     })
       
     # Hardware scan; loads modules for PCI devices.
diff --git a/upstart-jobs/udev-rules/50-udev.rules b/upstart-jobs/udev-rules/50-udev.rules
new file mode 100644
index 000000000000..06bf21707f12
--- /dev/null
+++ b/upstart-jobs/udev-rules/50-udev.rules
@@ -0,0 +1,24 @@
+# Miscellaneous devices.
+KERNEL=="mem|kmem",             GROUP="kmem", MODE="640"
+KERNEL=="port",                 GROUP="kmem", MODE="640"
+KERNEL=="nvram",                GROUP="kmem", MODE="600"
+KERNEL=="null",                 MODE="666"
+KERNEL=="zero",                 MODE="666"
+KERNEL=="full",                 MODE="622"
+KERNEL=="random",               MODE="666"
+KERNEL=="urandom",              MODE="644"
+KERNEL=="rtc",                  MODE="600"
+KERNEL=="sonypi",               MODE="0666"
+KERNEL=="agpgart",              MODE="0600", GROUP="video"
+
+
+# Input devices go under /dev/input.
+KERNEL=="mouse*|mice",          NAME="input/%k", MODE="0640"
+KERNEL=="event*",               NAME="input/%k", MODE="0640"
+KERNEL=="js*",                  NAME="input/%k", MODE="0644"
+KERNEL=="ts*",                  NAME="input/%k", MODE="0600"
+KERNEL=="uinput",               NAME="input/%k", MODE="0600"
+
+
+# Create a symlink for the CD-ROM device.
+KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", SYSFS{device/media}=="cdrom", SYMLINK+="cdrom cdrom-%k"
diff --git a/upstart-jobs/udev.nix b/upstart-jobs/udev.nix
index e218246c0463..892004c5d276 100644
--- a/upstart-jobs/udev.nix
+++ b/upstart-jobs/udev.nix
@@ -1,4 +1,12 @@
-{udev, procps}:
+{writeText, cleanSource, udev, procps}:
+
+let
+
+  conf = writeText "udev.conf" "
+    udev_rules=\"${cleanSource ./udev-rules}\"
+  ";
+
+in
 
 {
   name = "udev";
@@ -7,6 +15,8 @@
 start on startup
 stop on shutdown
 
+env UDEV_CONFIG_FILE=${conf}
+
 start script
     echo '' > /proc/sys/kernel/hotplug