前提条件：服务器搭建MySQL并且可成功运行
No1：编辑主库、从库的配置文件 /etc/my.cnf
主库[ mysqld ]下编辑
server-id = 1
log-bin= mysql-bin
binlog_format=mixed
从库[ mysqld ]下配置
# 从库配置
server-id=2
log-bin= binlog
binlog_format=mixed
replicate_wild_do_table=oldboy.%
replicate_wild_ignore_table=mysql.%
No2：重启主库、从库mysql服务使配置生效
systemctl restart mysqld
NO3：在主库上创建slave用户，并指定该用户只能在主机132.232.104.234上登录
mysql>grant replication slave on *.* to 'qtcheng'@'132.232.104.234' identified by 'qtcheng';
No4 : 在从库132.232.100.177上登录到主库132.232.104.234
mysql -u admin -h 132.232.104.234 -p
No5： 在主库上查询
select user,host from mysql.user;
No6:锁主库的表并查询master的状态值，供步骤14使用
flush tables with read lock;
show master status;
No7 ：准备备份的库
No8：解锁主库表unlock tables;
No9：在从库上执行
stop slave;
change master to master_host='132.232.104.234',master_user='qtcheng',master_password='******',master_log_file='mysql-bin.000029',master_log_pos=1110;
start salve;
No10：从库查看slave status 的状态
show slave status\G;
主库insert ，从库select ,恭喜你 搭建成功啦
文章原链接：https://blog.csdn.net/dutiantian_csdn/article/details/81980718