CentOS7.2通过Yum安装MySQL5.7

1 下载源

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

2安装源

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

3检查源是否安装成功

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

　　

4 安装MySQL

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1	yum install mysql-community-server

5 启动MySQL服务

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1	systemctl start mysqld

6 设置开机启动

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1 2	systemctl enable mysqld systemctl daemon-reload

7 修改root登陆密码

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

　　

 

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

8 增加远程用户

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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

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[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

 

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systemctl restart mysqld   之后登陆检查字符编码      SHOW VARIABLES like '%character%';

　　

 

　　

 

安装完成