Configure rsyslogd on centos 7 as remote syslog server
Start
echo "\$ModLoad imudp" > /etc/rsyslog.d/server.conf
echo "\$UDPServerRun 514" >> /etc/rsyslog.d/server.conf
echo "\$ModLoad imtcp" >> /etc/rsyslog.d/server.conf
echo "\$InputTCPServerRun 514" >> /etc/rsyslog.d/server.conf
echo "\$PreserveFQDN on" >> /etc/rsyslog.d/server.conf
yum -y install rsyslog-gnutls rsyslog-mysql rsyslog-crypto
MySQL/MariaDB database configuration
Assuming MariaDB is already installed and running.