MySQL on CentOS

Introduce how to operate MySQL on CentOS.

Installation

1. wget

   rpm from http://dev.mysql.com/downloads/repo/yum/.
2. Install release package (Example):

   sudo rpm -Uvh mysql80-community-release-el6-n.noarch.rpm           

3. Select Version

   yum repolist all | grep mysql  
   sudo yum-config-manager --disable mysql80-community  
   sudo yum-config-manager --enable mysql57-community  
   yum repolist enabled | grep mysql             

4. Install & Config MySQL

   sudo yum install mysql-community-server  
   sudo systemctl start mysqld.service  
   sudo systemctl enable mysqld.service   // as service at start  
   sudo grep 'temporary password' /var/log/mysqld.log  
   mysql -uroot -p  
   MYSQL > ALTER USER 'root'@'localhost' IDENTIFIED BY 'NewPassword!';             

Remote Access

SQL

UPDATE user SET Host='%' WHERE User='root';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;           

Firewall

firewall-cmd --add-port=3306/tcp
firewall-cmd --permanent --add-port=3306/tcp           

MISC

https://dev.mysql.com/doc/mysql-yum-repo-quick-guide/en/