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How to Setup MariaDB (Master-Slave) Replication in CentOS/RHEL 7 and Debian 8/9

Even when some IT people hear the phrase ???Database replication???, they often associate it with the need of having multiple copies of the same information to avoid data loss in the event of hardware failure or data corruption. While that is true at some extent, there is much more to database replication than the common concept of backing up a database and data availability.