You don't mention any of the steps you've taken and commands you've used.
Maybe these will come in handy:
Code:
# enter and clean
cd /etc/tripwire && rm *bak
# after editing twcfg.txt
twadmin -m F -S site.key twcfg.txt && rm tw.cfg.bak
# after editing twpol.txt
twadmin -m P -S site.key twpol.txt && rm tw.pol.bak
# do not stay in /etc/tripwire
cd ~
# initiate
tripwire -m i
# check
cd ~
tripwire -m c
# view Tripwire Reports
/usr/sbin/twprint -m r --twrfile /var/lib/tripwire/report/<name>.twr
# view Tripwire Databases / single file from DB
/usr/sbin/twprint -m d --print-dbfile | more
/usr/sbin/twprint -m d --print-dbfile /etc/hosts
# update
cd ~
/usr/sbin/tripwire --update --twrfile /var/lib/tripwire/report/<name>.twr