diff --git a/data/apps/helpers b/data/apps/helpers
new file mode 100644
index 000000000..7473c96cc
--- /dev/null
+++ b/data/apps/helpers
@@ -0,0 +1,7 @@
+# -*- shell-script -*-
+
+# TODO : use --regex to validate against a namespace
+for helper in $(run-parts --list /usr/share/yunohost/apps/helpers.d 2>/dev/null) ; do
+    [ -r $helper ] && . $helper || true
+done
+
diff --git a/data/apps/helpers.d/password b/data/apps/helpers.d/password
new file mode 100644
index 000000000..0087921c4
--- /dev/null
+++ b/data/apps/helpers.d/password
@@ -0,0 +1,3 @@
+ynh_password() {
+  echo $(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{24\}\).*/\1/p')
+}
diff --git a/debian/install b/debian/install
index 405448e5d..4c91fbd4e 100644
--- a/debian/install
+++ b/debian/install
@@ -2,5 +2,6 @@ bin/* /usr/bin/
 data/actionsmap/* /usr/share/moulinette/actionsmap/
 data/hooks/* /usr/share/yunohost/hooks/
 data/other/* /usr/share/yunohost/yunohost-config/moulinette/
+data/apps/* /usr/share/yunohost/apps/
 lib/yunohost/*.py /usr/lib/moulinette/yunohost/
 locales/* /usr/lib/moulinette/yunohost/locales/