centos7.2下安装mysql5.7数据库

服务器上的mysql安装了一个8.0.12版本的，本地的是一个5.7版本的，今天删除了重新安装的5.7版本的，下面是所有的名命令 跟着走就会安装上了。

 

配置源

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

 

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

 

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

安装：

yum install mysql-community-server

启动mysql

systemctl start mysqld

开机自启

systemctl enable mysqld

systemctl daemon-reload

获取初始密码

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

ujmo#za9nt,y

修改root密码 (需要登录mysql )

mysql -u root -p

set global validate_password_policy=0;

set global validate_password_length=1;

alter user 'root'@'localhost' identified by 'admin';

授权其他账号远程登录

create user 'admin'@'%' identified by 'admin';

grant all on *.* to 'admin'@'%';

flush privileges