snort cannot start with success

[Giuseppe Triolo <fastfouriertransform () hotmail com>]

when i type on the terminal the command: sudo /etc/init.d/rc.local start
Spawning daemon child...
My daemon child 13953 lives...
Daemon parent exiting (0)
Running in Continuos mode

 --== Inizializing Barnyard2 ==--
Inizializing Input plugins!
Inizializing Output plugins!
Parsing config file "/usr/local/snort/etc/barnyard2.conf"
Log directory = /var/log/barnyard2
Database  'mysql' support is not compiled into this build of snort

Error: If this build of snort was obtained as a binary distribution (e.g., rpm,
or Windows), then check for alternate builds that contains the necessary 
'mysql' support.

if this build of snort was compiled by you, then re-run the
the ./configure script using the '--with-mysql' switch.
For non standard installations of a database the '--with-mysql=DIR'
syntax may need to be used to specify the base directory of the DB install.
See the database documentation for cursory details (doc/README.database).
and the URL to the most recent database plugin documentation.
Fatal Error , Quitting..
username@ubuntu:~$









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