diff --git a/.gitmodules b/.gitmodules
index b609815..0abd5ea 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "lib/ohmyzsh"]
 	path = lib/ohmyzsh
 	url = https://github.com/robbyrussell/oh-my-zsh
+[submodule "sysadmin-util"]
+	path = sysadmin-util
+	url = https://github.com/skx/sysadmin-util
diff --git a/sysadmin-util b/sysadmin-util
new file mode 160000
index 0000000..d370927
--- /dev/null
+++ b/sysadmin-util
@@ -0,0 +1 @@
+Subproject commit d3709277c0de5de51f5f829a50c79d59888c3300