I’m not seeing any “Errors" there, just “Warnings.”
Every time you update your system, you should run rkhunter to see what has
changed (“The file properties have changed”). After you are satisfied that
those files were properly updated, run
sudo rkhunter —propupd
to store the new file propert
root@kali:~# grep Warning /var/log/rkhunter.log
[23:59:39] Warning: Checking for prerequisites [ Warning ]
[23:59:44] /usr/bin/diff [ Warning ]
[23:59:44] Warning: The file properties have changed:
[23:59:44] /usr/bin/dpkg
# grep Warning /var/log/rkhunter.log
[23:59:39] Warning: Checking for prerequisites [ Warning ]
[23:59:44] /usr/bin/diff [ Warning ]
[23:59:44] Warning: The file properties have changed:
[23:59:44] /usr/bin/dpkg [