sudo apt install tripwire
Reply to every questions when asked.
sudo nano /etc/tripwire/tw.cfg
sudo nano /etc/tripwire/twpol.txt
sudo tripwire --init
touch istheresomechanges
sudo tripwire --check --interactive
For non-interactive mode, just run without
--interactive
sudo tripwire --update --silent --report /var/lib/tripwire/report/[REPORT]
You may find more informations on these websites :