CentOS7.2通过Yum安装MySQL5.7

Posted 2021-02-10 Questions张

1 下载源

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

2安装源

yum localinstall mysql57-community-release-el7-8.noarch.rpm

3检查源是否安装成功

yum repolist enabled | grep "mysql.*-community.*"

　　

4 安装MySQL

yum install mysql-community-server

5 启动MySQL服务

 systemctl start mysqld

6 设置开机启动

 systemctl enable mysqld
 systemctl daemon-reload

7 修改root登陆密码

grep \'temporary password\' /var/log/mysqld.log

　　

 

 alter user root@localhost identified by \'Zj31XXX!\'

8 增加远程用户

GRANT ALL PRIVILEGES ON *.* TO \'zhangjin\'@\'%\' IDENTIFIED BY \'Zj314XXX!\' WITH GRANT OPTION;  

 flush privileges; 

　　

　　

 

9 修改mysql编码为UTF8mb4  支持emoji表情

修改/etc/my.cnf添加如下配置

[client]
default-character-set = utf8mb4

[mysql]
default-character-set = utf8mb4


[mysqld]
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect=\'SET NAMES utf8mb4\'

　　重启MySQL

 

systemctl restart mysqld

之后登陆检查字符编码


 SHOW VARIABLES like \'%character%\';

　　

 

　　

 

安装完成