Thanks for the reply and great link the dotdeb, just another question if you allow me.
If I add the dotweb to apt-get sources I would be great to have not only mysql but all the services with versions more up-to-date than the "standar stable" versions that use to be older.
The question is if I make an apt-get update, the apt-get upgrade, and the system install the new versions for paquets like postfix, apache, courier...
¿Will the system de able to maintain configuration of the different programs and continue running all of them integrated with ISPConfig like before the update? Or I will have to modify again configuration files of postfix, apache, ...
Is very important to maintain up-to-date versions for security reasons but i feel a lot of fear of start again the configuration.
Anyway if I lost config, what do you think could be the most faster and easy method for dissaster recovery (Ghost is not an option, I only have console access).
THanks a lot for your help and for the software, Is a great panel.