diff --git a/.gitignore b/.gitignore
index 1377554..d5a1572 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.swp
+build
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..323a12b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "linux-unattended-installation"]
+	path = linux-unattended-installation
+	url = https://github.com/core-process/linux-unattended-installation
+[submodule "01-installer-iso/linux-unattended-installation"]
+	path = 01-installer-iso/linux-unattended-installation
+	url = https://github.com/core-process/linux-unattended-installation
diff --git a/01-installer-iso/build.bash b/01-installer-iso/build.bash
new file mode 100755
index 0000000..d700686
--- /dev/null
+++ b/01-installer-iso/build.bash
@@ -0,0 +1,12 @@
+#! /bin/bash
+#
+# build.bash
+# Copyright (C) 2019 Vintage Salt <rehashedsalt@cock.li>
+#
+# Distributed under terms of the MIT license.
+#
+
+exec "./ubuntu/18.04/build-iso.sh" \
+	"../id_rsa.pub" \
+	"../build/installer.iso"
+
diff --git a/01-installer-iso/linux-unattended-installation b/01-installer-iso/linux-unattended-installation
new file mode 160000
index 0000000..a3493d1
--- /dev/null
+++ b/01-installer-iso/linux-unattended-installation
@@ -0,0 +1 @@
+Subproject commit a3493d1a9409021b97497df9afcdb42859cdad38