My Linux version info:
LSB Version: :core-4.1-amd64:core-4.1-noarch
Description: CentOS Linux release 7.0.1406 (Core)
Release: 7.0.1406
MySQL database version: mysql-community-release-el7-5.noarch.rpm
Step 1 Download the rpm file that supports Mysql-sever.
# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
Step 2 Install the rpm package
# rpm -ivh mysql-community-release-el7-5.noarch.rpm
Step 3 Install mysql-sever
# yum install mysql-community-server
Step 4 Start mysql
# service mysqld restart
Step 5 Modify the mysql password:
#mysql -u root mysql
#UPDATE user SET Password=PASSWORD('newpassword') where USER='root';
#FLUSH PRIVILEGES;
#quit;
Step 6 Restart the mysql service:
#service mysql restart
Step 7 Log in to the mysql database:
#mysql -uroot -p
Enter the new password
If the following prompt message appears, it means the mysql installation is successful.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.27 MySQL Community Server (GPL)
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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.