첫번째 메시지 (보낸사람 root)
This is an automated report of possible file integrity changes, generated by
the Tripwire integrity checker. To tell Tripwire that a file or entire
directory tree is valid, as root run:
 /usr/sbin/tripwire -update [pathname|entry]
 If you wish to enter an interactive integrity checking and verification
session, as root run:
 /usr/sbin/tripwire -interactive
 Changed files/directories include:
  두번째 메시지 (보낸사람 root(Cron Daemon)
/usr/sbin/tripwire: database file '/var/spool/tripwire/tw.db_localhost' does not exist!  Aborting...
 이 메시지가 계속 오는데 어떤 조치를 취해줘야 하는지 잘 몰라서
질문드립니다.