Installation environment: a new system centos 7
First, go to the directory / home and create a new folder inside the folder used to store the next step is to download the mysql yum repository
Just into the new folder, type the command
wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
Type the installation after the download is complete
yum -y install mysql57-community-release-el7-10.noarch.rpm
Then you can use yum install myqsl, and type
yum -y install mysql-community-server
To start the download and installation, the installation is complete, type
systemctl start mysqld.service
Used to start the MySQL service, this version of the root user will generate a random password, use the command
grep "password" /var/log/mysqld.log
After viewing the password with the command
mysql -uroot -p
Just enter the password to view it successfully entered into the mysql (password might have colon so do not enter the content only after the colon)
Finally, change what the root password to use the database, type the command
alter user 'root'@'localhost' identified by 'NewPassword‘;
Password To contain uppercase and lowercase letters as well as numbers and special characters, will complain too simple, set up after the success can use the database.