备注1:解决连接MySQL数据库很慢的问题
vim /etc/my.cnf
添加内容:skip-name-resolve,重启数据库。
备注2:(密码带!或其他特殊符合,前面加\,例如123!321-->123\!321)
1、主从备份
主数据库:
vim /etc/my.cnf
[mysqld]下添加内容:
server-id = 1
log-bin=mysql-bin
relay-log = mysql-relay-bin
replicate-wild-ignore-table=mysql.%
replicate-wild-ignore-table=test.%
replicate-wild-ignore-table=information_schema.%
从数据库:
vim .etc/my.cnf
[mysqld]下添加内容:
server-id = 2
log-bin=mysql-bin
relay-log = mysql-relay-bin
replicate-wild-ignore-table=mysql.%
replicate-wild-ignore-table=test.%
replicate-wild-ignore-table=information_schema.%
重启主从数据库
登录主数据库
mysql -uusername -ppassword
mysql>show master status;
找到master_log_file、master_log_pos(一般是mysql-bin.000001和155)
mysql>change master to \