linux_dependencies_install.md

@@ -26,6 +26,12 @@ sudo apt-get install cmake gcc g++ gfortran liblapack-dev swig python3-dev pytho
 sudo apt-get install libhdf5-dev h5utils
 ```
 
+Optional (but recommended):
+A tool to manage python virtual environment
+```shell
+sudo apt install virtualenvwrapper
+```
+
 To build the documentation:
 ```shell
 sudo apt-get install doxygen graphviz texlive-latex-extra dvipng imagemagick