How to Duplicate MySQL Database on GNU/Linux

During development process, it is often possible that, you have to migrate your database from one system to another system, or duplicate/replicate database. Here is a guide written by

Database replication is a technique where a given database is copied to one or more locations, so that the reliability, fault-tolerance or accessibility of the database can be improved. Replication can be snapshot-based (where entire data is simply copied over to another location), merge-based (where two or more databases are merged into one), or transaction-based (where data updates are periodically applied from master to slaves).

MySQL replication is considered as transactional replication. To implement MySQL replication, the master keeps a log of all database updates that have been performed. The slave(s) then connect to the master, read individual log entries, and perform recorded updates. Besides maintaining a transaction log, the master performs various housekeeping tasks, such as log rotation and access control.
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