Naive...

Sigh...

There is something called "apt" (Advanced Package Tool);
which does an automatic update whenever a security patch
or an update exists.

regards,

-- 
Rahmat M. Samik-Ibrahim - VLSM-TJT - http://rms46.vlsm.org
--- Ciki-ciki Bum-Bum Alala Bum-Bum --- Fadilah A. Rafiq -