diff --git a/common/ubuntu_info.sh b/common/ubuntu_info.sh
new file mode 100644
index 0000000..903c121
--- /dev/null
+++ b/common/ubuntu_info.sh
@@ -0,0 +1,5 @@
+#!/bin/bash -xe
+
+# Save some basic debug information.
+
+dpkg-query -W -f='${Package}=${Version}\n' >> /var/log/vcp_initial_pkgs.log