Home/Spack-for-COMPSs-on-Leonardo.md

 # Spack environment on HPC
-
+## Loading spack
 The first step to use spack on the user account on Leonardo is to load spack. If spack is not available you should ask the admin. In the $HOME folder run the following instructions
 
 ```
 module load spack
 ```
+## Independent Spack Environment
+
 As long as in the HPC you may have not permissions to create environments into the spack installation directory it is needed to create an **independent Spack enviroment** from a yaml file
 ```
 mkdir my_env
@@ -28,3 +30,11 @@ Additionally you need to create a config.yaml file as shown in the file
 vi config.yaml
 ```
 [config.yaml](uploads/5cda49625f3c134869a000d3f17070d8/config.yaml) 
+
+## Activating the environment
+
+For activating the environment inside the environment folder
+```
+spack env activate . -p
+```
+## COMPSs 
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