service mysqld stop

Atomic depo aktif ise kapatın

nano /etc/yum.repos.d/atomic.repo
enabled = 0

yum install http://dev.mysql.com/get/mysql57-com...6-7.noarch.rpm

rpm -Uvh mysql57-community-release-el6-7.noarch.rpm

nano /etc/yum.repos.d/mysql-community.repo
5.6 yı enable yapıp 5.7 disable yap.

yum update mysql
service mysqld start
MYSQL_PWD=`cat /etc/psa/.psa.shadow` mysql_upgrade -uadmin
service mysqld restart