mysql 安装配置 linux

基本命令

Author : Janloong Do_O

重启

sudo /etc/init.d/mysql restart

启动mysql：
方式一：sudo /etc/init.d/mysql start
方式二：sudo start mysql
方式三：sudo service mysql start

停止mysql：
方式一：sudo /etc/init.d/mysql stop
方式二：sudo stop mysql
方式san：sudo service mysql stop

重启mysql：
方式一：sudo/etc/init.d/mysql restart
方式二：sudo restart mysql
方式三：sudo service mysql restart

外网访问配置用户

grant all on *.* to yjsh@'%' identified by 'yjsh';
grant all on *.* to root@'%' identified by 'root';

GRANT ALL PRIVILEGES ON *.* TO 'yjsh'@'%'  IDENTIFIED BY 'yjsh@aliyun'  WITH GRANT OPTION;
flush privileges;
grant all on bingdg-demo.* to 'yjsh'@'%' identified by 'yjsh';
GRANT ALL PRIVILEGES ON bingdg-demo.* TO 'yjsh'@'%'  IDENTIFIED BY 'yjsh'  WITH GRANT OPTION;

修改用户密码

use mysql;
mysql> update user set password=password('yjsh123456') where user='root' and host='%';
mysql> flush privileges;

5.7
mysql> update mysql.user set authentication_string=password('123qwe') where user='root' and Host = 'localhost';

修改链接

sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf
注释其中的：bind-address = 127.0.0.1配置或者修改为bind-address = 0.0.0.0

最大传输设置

max_allowed_packe

配置相关

查看数据库编码
show variables like 'char%';


查看数据库慢查询设置
show variables like "%slow_query%"

时区设置

mysql时区相差8  14个小时
show variables like "%time_zone%"

set global time_zone = '+8:00'; ##修改mysql全局时区为北京时间，即我们所在的东8区
set time_zone = '+8:00'; ##修改当前会话时区
flush privileges; #立即生效

数据库同步