说明：mysql主从都是二进制安装
mysql主：192.168.8.118
mysql从：192.168.8.125
1，修改mysql主的配置文件
root@mastermysql mysql\]#grep -in server-id /data/mysql/mysql3317/conf/my3317.cnf 11:#server-id = 3317 50:server-id=1 修改完mysql的配置文件后需要重新启动mysql 2,关掉mysql服务重启 \[root@mastermysql mysql\]# pwd /usr/local/mysql \[root@mastermysql mysql\]# ./bin/mysqladmin -S /data/mysql/mysql3317/run/mysql3317.sock shutdown 1. 设置别名 \[root@mastermysql mysql\]# tail -5 /etc/profile alias my3317stop='cd/usr/local/mysql \&\& ./bin/mysqladmin -S /data/mysql/mysql3317/run/mysql3317.sock shutdown ' 使设置的别名生效 \[root@mastermysql mysql\]# source /etc/profile 3，启动mysql服务 \[root@mastermysql mysql\]# ./bin/mysqld_safe --defaults-file=/data/mysql/mysql3317/conf/my3317.cnf \& 4，进入数据库，创建repl用户，密码为Ron_master_1，192.168.8网段都可登录 \[root@mastermysql mysql\]# /usr/local/mysql/bin/mysql -S /data/mysql/mysql3317/run/mysql3317.sock --prompt='mysqlmaster3317\> ' mysqlmaster3317\> CREATE USER 'repl'@'192.168.8.%' IDENTIFIED WITH mysql_native_password BY 'Ron_master_1'; 5，赋予repl用户所有权限，并且该网段的所有ip都可登录 mysqlmaster3317\> GRANT REPLICATION SLAVE ON \*.\* TO 'repl'@'192.168.8.%'; flush privileges; 6，查看binlog日志 mysqlmaster3317\> SHOW MASTER STATUS; +------------------+----------+--------------+------------------+-------------------+ \| File \| Position \| Binlog_Do_DB \| Binlog_Ignore_DB \| Executed_Gtid_Set \| +------------------+----------+--------------+------------------+-------------------+ \| mysql-bin.000002 \| 157 \| \| \| \| +------------------+----------+--------------+------------------+-------------------+ 1 row in set, 1 warning (0.00 sec) 7,修改mysql从的配置文件 \[root@slavemysql mysql\]# grep -in server-id /data/mysql/mysql3316/conf/my3316.cnf 11:#server-id = 3316 50:server-id=2 8,关掉mysql服务重启 \[root@slavemysql mysql\]# ./bin/mysqladmin -S /data/mysql/mysql3316/run/mysql3316.sock shutdown （1）设置别名 \[root@slavemysql mysql\]# tail -3 /etc/profile alias my3316stop='cd /usr/local/mysql \&\& ./bin/mysqladmin -S /data/mysql/mysql3316/run/mysql3316.sock shutdown ' root@slavemysql mysql\]# source /etc/profile 9,启动mysql从服务 \[root@slavemysqlmysql\]# ./bin/mysqld_safe --defaults-file=/data/mysql/mysql3316/conf/my3316.cnf \& 10，进入mysql从的数据库 \[root@slavemysql mysql\]# /usr/local/mysql/bin/mysql -S /data/mysql/mysql3316/run/mysql3316.sock 11，与主库建立关联关系 mysql\> change master to -\> master_host='192.168.8.118', # nysql主服务器IP地址 -\> master_user='repl', # nysql主服务器用户名称 -\> master_password='Ron_master_1', # nysql主服务器用户密码 -\> master_port=3317, -\> master_log_file='mysql-bin.000002', -\> master_log_pos=157; Query OK, 0 rows affected, 9 warnings (0.02 sec) mysql\> start slave; mysql\> flush privileges; 12，查看从节点的状态 show slave status\\G; 出现双Yes 13，测试登录repl用户在从mysql上 \[root@slavemysql mysql\]# mysql -h192.168.8.118 -urepl -p'Ron_master_1' -P3317