How to Install MySQL on CentOS 7.x?

MySQL is one of the popular database management systems. For now, MySQL is no longer within Centos repository and MariaDB is now the default database that is offered by Centos repositories.

We believe you are logged in with the root user to perform these steps. Please refer to the following steps to install MySQL 5.7 on Centos 7.1

  1. First of all, let us update the centos with the yum update command.

    Yum update
  2. Install wget to download the files from the internet.

    yum  install wget 
  3. Let us proceed to install MySQL . Download and add the repository at first.

    wget https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
    rpm -ivh mysql80-community-release-el7-3.noarch.rpm
  4. Run the below command to install MySQL 5.7 on your VPS.

    yum -y install mysql-community-server  --disablerepo=mysql80-community --enablerepo=mysql57-community
  5. Start and check the status of MySQL Service.

    systemctl start mysqld
    systemctl enable mysqld
    systemctl status mysqld
  6. Get a temporary password for root user: 

    less /var/log/mysqld.log | grep pass
    A temporary password is generated for [email protected]: o!5y,JGALQa
  7. Execute a secure installation tool to reset the password. 

    $ sudo mysql_secure_installation
Securing the MySQL server deployment.
Enter password for user root: The 'validate_password' plugin is installed on the server. The subsequent steps will run with the existing configuration of the plugin. Using existing password for root. Estimated strength of the password: 100 Change the password for root ? ((Press y|Y for Yes, any other key for No) : y New password: Re-enter new password: Estimated strength of the password: 100 Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment. Remove anonymous users? (Press y|Y for Yes, any other key for No) : y Success. Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network. Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y Success. By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment. Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y - Dropping test database... Success. - Removing privileges on test database... Success. Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y Success. All done!
  1. Connect mysql server : 

    mysql -u root -p

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