diff --git a/ucloud/docs/source/hacking.rst b/ucloud/docs/source/hacking.rst
new file mode 100644
index 0000000..976970b
--- /dev/null
+++ b/ucloud/docs/source/hacking.rst
@@ -0,0 +1,16 @@
+Hacking
+=======
+How to hack on the code.
+
+[ to be done by Balazs:
+
+* make nice
+* indent with shell script mode
+
+]
+
+* git clone the repo
+* cd to the repo
+* Setup your venv: python -m venv venv
+* Run ./bin/ucloud-run-reinstall - it should print you an error
+  message on how to use ucloud
diff --git a/ucloud/docs/source/index.rst b/ucloud/docs/source/index.rst
index 879ac32..b31cff3 100644
--- a/ucloud/docs/source/index.rst
+++ b/ucloud/docs/source/index.rst
@@ -16,6 +16,7 @@ Welcome to ucloud's documentation!
    admin-guide
    user-guide/how-to-create-an-os-image-for-ucloud
    troubleshooting
+   hacking
 
 
 Indices and tables