yum install mysql warehouse way

 

System version centos7.2

Uninstall mariadb

Download rpm form of official website yum yum install warehouse pack again

　　yum -Y the install mysql80-Community-Release-el7- . 3 package downloaded locally installed .noarch.rpm #
　　LS / etc / yum .repos.d / MySQL-community.repo MySQL-community- source.repo # view more than two a repo file
　　yum -y install  yum - utils
　　yum -config-Manager --disable mysql80- Community Community
　　yum -config-Manager --enable mysql57- Community Community
　　yum repolist enabled | grep mysql # View now enabled warehouse in mysql version is not 5.7 the
　　yum  install MySQL-community- Server
　　LS After the existence of the directory -d / var / lib / mysql # can be completed

start up

systemctl start mysqld
systemctl enable mysqld

connection

mysql5. 5 without passwords, 5 after starting .6 stored at random password generation / root / directory, 5.7 password stored in the journal.
grep  ' Temporary password ' / var / log / mysqld.log 
MySQL -uroot--p " oldpasswork "    password " NewPassword "