Mysql搭建主从库

wget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm

rpm -ivh mysql57-community-release-el7-9.noarch.rpm

grep ‘temporary password‘ /var/log/mysqld.log

set global validate_password_policy=0; 
set global validate_password_length=1;

ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘123456‘;

vim /etc/my.cnf

log-bin=mysql-bin
server-id=102

show master status;

CREATE USER ‘slave‘@‘192.168.0.103‘ IDENTIFIED BY ‘slave‘;#创建用户 
GRANT REPLICATION SLAVE ON *.* TO ‘slave‘@‘192.168.0.103‘;#分配权限 
flush privileges; #刷新权限

vim /etc/my.cnf

server-id=103

CHANGE MASTER TO MASTER_HOST=‘192.168.0.102‘, MASTER_USER=‘slave‘, MASTER_PASSWORD=‘slave‘, MASTER_LOG_FILE=‘mysql-bin.000001‘, MASTER_LOG_POS=773;

start slave;

show slave status\G;