yum install mysql mysql-server mysql-devel -y

[[email protected] ~]# chkconfig --list|grep mysql

mysqld          0:off   1:off   2:off   3:off   4:off   5:off   6:off

[[email protected] ~]# chkconfig mysqld on

[[email protected] ~]# chkconfig --list|grep mysql

mysqld          0:off   1:off   2:on    3:on    4:on    5:on    6:off

[[email protected] mysql]# pwd

/var/lib/mysql

[[email protected] mysql]# ll

total 20488

-rw-rw---- 1 mysql mysql 10485760 Jul 13 06:21 ibdata1

-rw-rw---- 1 mysql mysql  5242880 Jul 13 06:21 ib_logfile0

-rw-rw---- 1 mysql mysql  5242880 Jul 13 06:21 ib_logfile1

drwx------ 2 mysql mysql     4096 Jul 13 06:21 mysql

srwxrwxrwx 1 mysql mysql        0 Jul 13 06:21 mysql.sock

drwx------ 2 mysql mysql     4096 Jul 13 06:21 test

[[email protected] mysql]# netstat -nultp|grep mysql

tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      15086/mysqld

[[email protected] mysql]# mysql

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 2

Server version: 5.1.71 Source distribution

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql>

mysql> grant all on *.* to [email protected]‘%‘ identified by ‘123456‘;

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> exit;

Bye