卸载老的
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| rpm -qa | grep -i mysql rpm -qa | grep -i mariadb
rpm -ev 要删除得已安装的包
rpm -e --nodeps 要删除得已安装的包
find / -name mysql rm -r -f 没删除干净的目录
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安装
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wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
rpm -ivh mysql80-community-release-el7-1.noarch.rpm
yum-config-manager --disable mysql80-community yum-config-manager --enable mysql57-community
yum install mysql-community-server
grep 'temporary password' /var/log/mysqld.log
mysql:mysql -uroot -p
ALTER USER 'root'@'localhost' IDENTIFIED BY 'xxxx!';
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参考
https://dev.mysql.com/doc/mysql-yum-repo-quick-guide/en/