The first step, the next to see whether the CentOS install mysql
Enter the command: yum list installed | grep mysql
Step 2, to delete the installed mysql
Enter the command: yum -y remove mysql
Step 3 Check yum repository mysql (non-essential)
Enter the command: yum list | grep mysql
Step 4, the mounting yum library mysql
Enter the command: yum -y install mysql mysql-server mysql-devel
Step 5 to verify that the installation was successful
Enter the command: rpm -qi mysql-server
Step 6, start MySql service
Enter the command: service mysqld start
Step 7, enter MySql
Enter the command: mysql -u root
Step 8, change passwords
mysql > use mysql;
mysql > update user set password=password(‘123456‘) where user=‘root‘;
Step 9, with the new password
mysql -u root -p
Step 10. Open remote login privileges
Enter the command: GRANT ALL PRIVILEGES ON * * TO 'root' @ '%' IDENTIFIED BY ' your password' the WITH GRANT OPTION;
FLUSH PRIVILEGES;
Step 11, the open port 3306
enter the command: vim / etc / sysconfig / iptables
added: -A INPUT -p tcp -m state -state
then restart the firewall: service iptables restart
Step 12, set the boot (must)
chkconfig mysqld on
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