wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm

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

rm -f mysql57-community-release-el7-.noarch.rpm

yum -y remove mysql-libs.x86_64 

yum install mysql-server -y

service mysqld start

mysql -p$(grep "password" /var/log/mysqld.log|awk '{print $NF}')

SET PASSWORD = PASSWORD('Asd123.com');

ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;

grant all privileges on *.* to root@"%" identified by "Asd123.com";

grant all privileges on *.* to root@"localhost" identified by "Asd123.com";

flush privileges;

quit

service mysqld restart

[client]

default-character-set=utf8

[mysqld]

character-set-server = utf8

datadir=/var/lib/mysql

socket=/var/lib/mysql/mysql.sock

lower_case_table_names=1

explicit_defaults_for_timestamp=true

read_only=1

server_id = 241

sync_binlog=1

log_bin = mysql-bin

binlog-format = row

log-slave-updates = 1

auto_increment_increment = 2

auto_increment_offset = 2

symbolic-links=0

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

mysql -uroot -pAsd123.com

 GRANT REPLICATION SLAVE ON *.* TO 'repl'@'192.%' IDENTIFIED  BY 'Asd123.com';

 flush privileges;

change master to

       master_host = '192.168.1.240',

       master_user = 'repl',

       master_password = 'Asd123.com',

       master_log_file = 'mysql-bin.000005',

       master_log_pos = 154;

change master to

       master_host = '192.168.1.241',

       master_user = 'repl',

       master_password = 'Asd123.com',

       master_log_file = 'mysql-bin.000003',

       master_log_pos = 603;

show slave status\G