ok it's clear for me now.
But yesterday night at 23:00, I've heard the noise fan every 350 seconds whereas the interval should have been every 3600 seconds.
I will give a another try, may be I have input the second command before the first? Probably that has made the misfunction.
But yesterday night at 23:00, I've heard the noise fan every 350 seconds whereas the interval should have been every 3600 seconds.
I will give a another try, may be I have input the second command before the first? Probably that has made the misfunction.