"Mendola Gaetano" <mendola(at)bigfoot(dot)com> writes:
> I found no core on the machine, may be I should configure postgres
> in order to generate a core in this case I don't have clue how do it.
You need to set "ulimit -c unlimited" before launching the postmaster.
It's probably easiest to add that to the startup script you're using.
regards, tom lane