启动MYSQL
[root@zhangruiu1 ~]# mysqld_safe &
[1] 39558
[root@zhangruiu1 ~]# 160520 20:40:35 mysqld_safe Logging to '/var/log/mysqld.log'.
160520 20:40:35 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
[root@zhangruiu1 ~]# ps -ef | grep mysql
root      43541  33110  0 21:41 pts/1    00:00:00 /bin/sh /usr/bin/mysqld_safe
mysql     43609  43541  0 21:41 pts/1    00:00:00 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock
root      43886  43852  0 21:43 pts/3    00:00:00 grep mysql
[root@zhangruiu1 ~]#
创建数据库
[root@zhangruiu1 ~]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.1.66 Source distribution


Copyright (c) 2000, 2012, 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> show databases
    -> ;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| test               |
+--------------------+
3 rows in set (0.01 sec)


mysql> create database r7_mysql character set  GBK;
Query OK, 1 row affected (0.01 sec)


mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| r7_mysql           |
| test               |
+--------------------+
4 rows in set (0.00 sec)
创建用户
mysql> use r7_mysql;
Database changed
mysql> CREATE USER 'r7' identified by 'r7';
Query OK, 0 rows affected (0.14 sec)
如果需要远程连接数据库的话则需要赋权
mysql> GRANT ALL ON *.* TO 'r7';
Query OK, 0 rows affected (0.08 sec)