CentOS7使用YUM安装MySQL5.7

1,配置YUM源

在MySQL官网中下载YUM源rpm安装包:http://dev.mysql.com/downloads/repo/yum/ 

# 下载mysql源安装包

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

# 安装mysql源
shell> yum localinstall mysql57-community-release-el7-8.noarch.rpm
检查mysql源是否安装成功

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


看到上图所示表示安装成功。 

可以修改vim /etc/yum.repos.d/mysql-community.repo源,改变默认安装的mysql版本。比如要安装5.6版本,将5.7源的enabled=1改成enabled=0。然后再将5.6源的enabled=0改成enabled=1即可。

2,安装MySQL

shell> yum install mysql-community-server

3,启动MySQL服务

shell> systemctl start mysqld

查看MySQL的启动状态

shell> systemctl status mysqld


5、修改root本地登录密码
mysql安装完成之后,在/var/log/mysqld.log文件中给root生成了一个默认密码。通过下面的方式找到root默认密码,然后登录mysql进行修改:

shell> grep 'temporary password' /var/log/mysqld.log


shell> mysql -uroot -p
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!'; 
或者

mysql> set password for 'root'@'localhost'=password('MyNewPass4!'); 

参考复制博客:

https://www.linuxidc.com/Linux/2016-09/135288.htm

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转载自blog.csdn.net/u013517229/article/details/79412170
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