CentOS7 Installing MySQL 5.7.10

Uninstall the conflicting RPM package:
Rpm-qa|grep mariadb
RPM-E--nodeps mariadb-libs-5.5.41-2.el7_0.x86_64

Installation:
RMP-IVH mysql-community-common-5.7.10-1.el7.x86_64.rpm
RPM-IVH mysql-community-libs-5.7.10-1.el7.x86_64.rpm
RPM-IVH mysql-community-devel-5.7.10-1.el7.x86_64.rpm
RPM-IVH mysql-community-client-5.7.10-1.el7.x86_64.rpm
RPM-IVH mysql-community-server-5.7.10-1.el7.x86_64.rpm

Initialization
Mysqld--initialize--user=mysql

Start:
Systemctl Start mysqld
Systemctl Status Mysqld

Connection:
Vim/usr/log/mysqld.log (find randomly generated passwords)
Mysql-u root-p

Change Password:
ALTER USER ' root ' @ ' localhost ' identified by ' mysql$%123 ';

Note that the password must contain numbers, uppercase letters, small letters, special characters, and if you set the password too simple, you get an error message.

Reference:
Http://dev.mysql.com/doc/refman/5.7/en/linux-installation-rpm.html
Http://jingyan.baidu.com/article/93f9803f010d8fe0e56f555e.html

CentOS7 Installing MySQL 5.7.10