then logout-login to activate it.
+###Prepare files for the simulator
+Run `prepare.sh` with an argument found in `test_cases.yml` (or add a new tc in that file) to create files (1MB, 5MB and 50MB files) and a large number of
+symbolic links to these files to simulate PM files. The files names maches the files in
+the events produced by the MR simulator. The dirs with the files will be mounted
+by the ftp containers, defined in the docker-compse file, when started
+
###Starting/stopping the FTPS/SFTP server(s)
Start: `docker-compose up`