CentOS7.2通过Yum安装MySQL5.7

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