Technical-informations.md

-This page is intended to provide technical informations hopefully useful for anybody in charge of running the yafits containers. 
+This page is intended to provide technical informations hopefully useful for anybody in charge of running the yafits containers. The commands indicated below were run under SL Linux. Feel free to introduce material used on different flavours of Linux or on Mac OSX where it's relevant.
 
 # Prerequisites
 You have cloned/downloaded the `yafits` project and you can run the `docker-compose` command