service  MysqLd  start|stop|restart
systemctl  start|stop|restart  MysqLd

本机的话，直接MysqL就可以进去了

[MysqLd]
log-bin=MysqL-bin # 非必需
server-id=1　　　　# 必需

CREATE USER 'repl'@'192.168.102.%' IDENTIFIED BY '123456';
GRANT REPLICATION SLAVE ON *.* TO 'repl'@'192.168.102.%';
FLUSH PRIVILEGES;

show master status;

[MysqLd]
server-id=2

change master to master_host='192.168.102.31',master_user='repl',master_password='123456',master_log_file='MysqL-bin.000001',master_log_pos=514;

show slave status\G;

MysqL> create user 'pig'@%' identified by 123456';
MysqL> grant select on test.* to ;
MysqL> flush privileges;