rpm -qa|grep -i mysql 查看是否有mysql相關文件
yum -y remove mysql-community-client-5.6.38-2.el7.x86_64
依次卸載
[root@localhost mysql]# wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm
[root@localhost mysql]# rpm -ivh mysql57-community-release-el7-8.noarch.rpm
[root@localhost mysql]# yum -y install mysql-server
配置文件:/etc/my.cnf
安裝完成後,密碼爲隨機密碼,需要修改密碼。
[root@localhost ~]# grep "password" /var/log/mysqld.log
在安裝的過程中發現找不到密碼 修改MySQL的登錄設置:
重新啓動mysqld
# service mysqld restart
use mysql
update user set password=password("xxxxxx") where user="root";
mysql 5.7的數據庫沒有了password字段 用的是authentication_string字段
mysql> update mysql.user set authentication_string=password('root') where user='root' ;
flush privileges;