mysql config file

first master server config file

[mysqld]
user            = mysql
bind-address            = 0.0.0.0
mysqlx-bind-address     = 127.0.0.1
key_buffer_size         = 16M
myisam-recover-options  = BACKUP
log_error = /var/log/mysql/error.log
server-id = 1
log_bin = /var/log/mysql/mysql-bin.log
max_binlog_size   = 100M


second master server config file

[mysqld]
user            = mysql
bind-address            = 0.0.0.0
mysqlx-bind-address     = 127.0.0.1
key_buffer_size         = 16M
myisam-recover-options  = BACKUP
log_error = /var/log/mysql/error.log
server-id = 2:wq
log_bin = /var/log/mysql/mysql-bin.log
max_binlog_size   = 100M