#!/bin/bash #主 sed -i \'/^# log_bin/a\\server_id=51\' /etc/my.cnf sed -i \'s/^# log_bin/log_bin=master51/\' /etc/my.cnf systemctl restart mysqld mysql -uroot -p123qq..A grant replication slave on *.* to repluser@\"%\" identified by \"123qq..A\"; \\q #从 sed -i \'/^# log_bin/a\\server_id=53\' /etc/my.cnf systemctl restart mysqld mysql -uroot -p123qq..A change master to master_host=\"192.168.4.51\", master_user=\"repluser\",master_password=\"123qq..A\", master_log_file=\"master51.000001\",master_log_pos=441; start slave; show slave status\\G; #log_slave_updates 允许级联复制