Unixcop published a tutorial about setting up Master-Master replication with MariaDB.

Master-Master replication with MariaDB

A couple of days ago I wrote a tutorial on how to do replication with MariaDB (or MySQL). This is a one-way replication: from master to slave; this means that the slave server receives the transactions form the master. But my client needs bidireccional replication, because we don’t know which server will receive the transaction 

Master-Master replication with MariaDB - Unixcop the Unix / Linux the admins deams