/etc/logcheck/ignore.d.server/fcheck is in fcheck 2.7.59-19.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ fcheck: "INFO: Rebuild of the fcheck database /var/lib/fcheck/fcheck.dbf begun for [._[:alnum:]-]+ using config file /etc/fcheck/fcheck.cfg"$
|