yum search libaio # search for info
yum install libaio # install library
groupadd mysql
useradd mysql -g mysql
tar -zxvf /usr/local/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.7.18-linux-glibc2.5-x86_64/ mysql
cd mysql/
mkdir data
cd ../
chown -R mysql:mysql mysql/
chmod -R 755 mysql/
cd mysql
./bin/mysqld --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --initialize

2017-04-21T02:36:15.620346Z 1 [Note] A temporary password is generated for root@localhost: o*s#gqh)F4Ck

./support-files/mysql.server start
cp support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
service mysqld restart
mysql -uroot -po*s#gqh)F4Ck
alter user 'root'@'localhost' identified by 'newpswd'
update user set user.Host='%' where user.User='root';
flush privileges;