MySql Master-Slave Replication, and post replication

============================= #MASTER: add lines to /etc/mysql/mysql.conf.d/mysqld.cnf=============================  ##### Master Setting ###### server-id =1 log_bin = /var/log/mysql-bin.log #### Data that need to be replicated #### binlog-do-db=database_name_1  binlog-do-db=database_name_2  binlog-do-db=database_name_3  Run all this query in MYSQL client: GRANT REPLICATION SLAVE ON *.* TO ‘user’@’%’ IDENTIFIED…