Information
Periodic checking of the filesystem integrity is needed to detect changes to the filesystem. Periodic file checking allows the system administrator to determine on a regular basis if critical files have been changed in an unauthorized fashion.
Solution
Run the following commands: # cp ./config/aidecheck.service /etc/systemd/system/aidecheck.service
# cp ./config/aidecheck.timer /etc/systemd/system/aidecheck.timer
# chmod 0644 /etc/systemd/system/aidecheck.* # systemctl reenable aidecheck.timer
# systemctl restart aidecheck.timer
# systemctl daemon-reload ORRun the following command: # crontab -u root -e Add the following line to the crontab: 0 5 * * * /usr/sbin/aide --check