先删除mysql yum remove mysql-community-server -y rm -rf /usr/lib64/mysql rm -rf /usr/lib/mysql rm -rf /usr/share/mysql rm -rf /var/lib/mysql 安装mysql8.0 wget rpm -ivh mysql80-community-release-el6-1.noarch.rpm yum install mysql-server service mysqld start 安装成功后查看mysql版本 mysqladmin -V 启动mysql service mysqld start 查看mysql默认密码 cat /var/log/mysqld.log 登录mysql mysql -uroot -p 密码 修改密码 ALTER USER TIFIED BY chiakAwd*lw1259; set global validate_password.policy=0; set global validate_password.length=1; flush privileges;
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