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环境
OS:CentOS7.6
MySQL:Mysql5.7
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#下载mysql源安装包
wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
#安装mysql源
yum localinstall mysql57-community-release-el7-8.noarch.rpm
#检测源是否安装成功
yum repolist enabled | grep "mysql.*-community.*"
#Enable to use MySQL 5.6
[mysql56-community]
name=MySQL 5.6 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/7/$basearch/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
[mysql57-community]
name=MySQL 5.7 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
yum安装
yum install mysql-community-server
systemctl start mysqld //启动mysql服务
systemctl status mysqld
systemctl enable mysqld
systemctl daemon-reload //重载服务
mysql> set password for 'root'@'localhost'=password('xxxxxxxx');
查看密码策略:
mysql> show variables like '%password%'
0 => LOW,1 => MEDIUM,2 => STRONG
命令行修改:
set global validate_password_policy=0; //设置密码策略等级
set global validate_password_length=6; //设置密码最小长度
重启mysql服务
systemctl restart mysqld