add DLS ec specifics

Author: gilesknap

docs/user/tutorials/create_beamline.rst

@@ -143,8 +143,13 @@ where indicated):
 
 - SECTION 3:
 
-    - We are not using Kubernetes for the first few tutorials so you can
-      leave this section blank for now.
+  - We are not using Kubernetes for the first few tutorials so you can
+    leave this section blank for now.
+
+.. note::
+
+    DLS Users: ``ec`` is already installed for you. So leave SECTION 2
+    blank. See `ec` for details.
 
 Change the IOC Name
 ~~~~~~~~~~~~~~~~~~~

docs/user/tutorials/setup_workstation.rst

@@ -138,6 +138,8 @@ Note that each time you open a new shell you will need to activate the virtual
 environment again. (Or place it's bin folder in your path permanently).
 
 
+.. _ec:
+
 epics-containers-cli
 ~~~~~~~~~~~~~~~~~~~~
 
@@ -154,6 +156,17 @@ functions in the next tutorial.
 
 See `CLI` for more details.
 
+.. note::
+
+    DLS Users: ``ec`` is already installed for you on ``dls_sw`` just do the
+    following to make sure it is always available:
+
+    .. code:: bash
+
+        # use the ec version from dls_sw/work/python3
+        mkdir -p $HOME/.local/bin
+        ln -fs /dls_sw/work/python3/ec-venv/bin/ec $HOME/.local/bin/ec
+
 Git
 ---
 If you don't already have git installed see