update a short demo to show how to use the julia module on LUMI cluster

content/syntax-intro.rst

@@ -1,6 +1,7 @@
 Introduction to Julia syntax
 ============================
 
+
 .. questions::
 
    - How do I run Julia?
@@ -11,6 +12,8 @@ Introduction to Julia syntax
    - 20 min teaching
    - 20 min exercises
 
+
+
 This episodes provides a condensed overview of Julia's main syntax and features.
 
 .. callout:: Video alternative
@@ -78,6 +81,22 @@ We can write Julia code in various ways:
       :scale: 40 %
 
 
+.. demo:: Using Julia on the LUMI cluster.
+
+   First add CSC's local module files to the module path.
+
+   .. code-block::
+
+      module use /appl/local/csc/modulefiles
+
+   Then load the Julia module and check the current version of Julia.
+
+   .. code-block::
+
+      module load julia
+	  julia --version
+
+
 
 Basic syntax
 ------------