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 OR Run the following command: # crontab -u root -e Add the following line to the crontab: 0 5 * * * /usr/sbin/aide --check Notes: The checking in this recommendation occurs every day at 5am. Alter the frequency and time of the checks in compliance with site policy.