CentOS 7 - Mariadb replication

Follow https://mariadb.com/kb/en/setting-up-replication/

On master add:

# vim /etc/my.cnf.d/server.cnf

[mariadb]

expire_logs_days=7

Do not Use Global Transaction Id (GTID)

After sync, set the replica read-only:

# vim /etc/my.cnf.d/server.cnf

[mariadb]

read-only=ON

And restart mariadb on slave