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How to Setup MySQL Master-Slave Replication on Ubuntu 18.04

MySQL master-slave replication is a procedure that allows database files to be replicated or copied across one or more nodes in a network. This setup provides redundancy and fault tolerance such that in the event of a failure in the Master node, the databases can still be recovered in the Slave node. This gives users peace of mind that all will not be lost in any eventuality as a replica of the databases can still be retrieved from a different server.