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Centos7 快速在线安装 mysql8

#!/bin/bash

curl -sO https://repo.mysql.com//mysql80-community-release-el7-5.noarch.rpm
rpm -ivh mysql80-community-release-el7-5.noarch.rpm
yum clean all
yum makecache
yum repolist | grep mysql
yum install -y mysql-community-server
systemctl disable mysqld
systemctl start mysqld
mysql -uroot -p$(cat /var/log/mysqld.log  | grep password | awk -F"root@localhost: " '{print $2}') -e "alter user 'root@'localhost' identified by '@Root1234'"

接下来就可以使用 mysql -uroot -p@Root1234 登录

最后一步可能会失败

可以先执行下面命令查看密码，用mysql -uroot -p登录后再改密码。

cat /var/log/mysqld.log  | grep password | awk -F"root@localhost: " '{print $2}'

改密码：

alter user user() identified by '@Root1234';