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STEP 1. Enable MySQL Repository

Code Block
sudo yum -y localinstall https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm

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STEP 2. Install MySQL 5.7 Server

Code Block
sudo yum -y install mysql-community-server

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STEP 3. Start MySQL Service

Code Block
sudo service mysqld start


STEP 4. Checking temporary password

Code Block
sudo grep 'A temporary password' /var/log/mysqld.log | tail -1

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Change password by the pre-defined password above

Code Block
mysql_secure_installation 

Adding a mysql user account

Code Block
mysql -uroot -p<password>

#uninstall pluging to validate_password (not recommended)
uninstall plugin validate_password;

# below script is to create user account for local connection
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'user_password';

# below script is to create user account can conneect from 1.2.3.4
CREATE USER 'newuser'@'1.2.3.4' IDENTIFIED BY 'user_password';

# below script is to create user account for any connection
CREATE USER 'newuser'@'%' IDENTIFIED BY 'user_password';

Granting user permission

Code Block
mysql -uroot -p<password>

# grant privileges on a certain database
GRANT ALL PRIVILEGES ON database_name.* TO 'database_user'@'localhost';

# grant privileges on all the database in the system
GRANT ALL PRIVILEGES ON *.* TO 'database_user'@'localhost';

# grant full privileges on all the database in the system
GRANT ALL PRIVILEGES ON *.* TO 'database_user'@'localhost' REQUIRE NONE WITH GRANT OPTION MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0;mysqladmin -u root -p password



STEP 5. Initial MySQL Configuration

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