cd /usr/local wget http://repo.mysql.com//mysql57-community-release-el7-7.noarch.rpm rpm -ivh mysql57-community-release-el7-7.noarch.rpm yum install -y mysql-server systemctl start mysqld.service systemctl status mysqld.service cd /etc and vi my.cnf and add at last line:skip-grant-talbes mysql mysql>use mysql; mysql>update mysql.user set authentication_string=password(‘yourpasswd‘) where user=‘root‘; mysql>flush privileges; mysql>exit; systemctl start mysqld.service mysql -u root -p enter yourpasswd