System logs are empty (/var/log/messages; /var/log/secure; etc)
well... almost 2 years had gone by and finally found the solution for the issue. If anyone has the same issue please try the steps below.
The issue was related to the
imjournal module. I've remove all the entries of the rsyslog.conf related to imjournal and switched the OmitLocalLogging to off
After that I've restarted the rsyslog service using systemctl restart rsyslog and the log entries started to be populated to the log file that I've configured in rsyslog.conf.
The rsyslog.conf file now looks like this:
$ModLoad imuxsock #$ModLoad imjournal $ModLoad immark $WorkDirectory /var/lib/rsyslog $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat $IncludeConfig /etc/rsyslog.d/*.conf $OmitLocalLogging off #$IMJournalStateFile imjournal.state *.info;mail.none;authpriv.none;cron.none /var/log/messages authpriv.* /var/log/secure mail.* -/var/log/maillog cron.* /var/log/cron *.emerg :omusrmsg:* uucp,news.crit /var/log/spooler local7.* /var/log/boot.log local3.* /var/log/sshd-second.log