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三、MySQL的安装与配置
1、下载MySQL的安装文件
安装MySQL需要下面两个文件：
MySQL-server-community-5.1.61-1.rhel5.i386.rpm
MySQL-client-community-5.1.61-1.rhel5.i386.rpm
1）安装服务器端
在有两个rmp文件的目录下运行如下命令：
rpm -ivh MySQL-server-community-5.1.61-1.rhel5.i386.rpm
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[root@localhost ~]# cd /home [root@localhost home]# rpm -ivh MySQL-server-community-5.1.61-1.rhel5.i386.rpm Preparing... ########################################### [100%] 1:MySQL-server-community ########################################### [100%] PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER ! To do so, start the server, then issue the following commands: /usr/bin/mysqladmin -u root password 'new-password' /usr/bin/mysqladmin -u root -h localhost.localdomain password 'new-password' Alternatively you can run: /usr/bin/mysql_secure_installation which will also give you the option of removing the test databases and anonymous user created by default. This is strongly recommended for production servers. See the manual for more instructions. Please report any problems with the /usr/bin/mysqlbug script! Starting MySQL..[确定] Giving mysqld 2 seconds to start [root@localhost home]#
显示如下信息。
2）安装客户端
运行如下命令：
rpm -ivh MySQL-client-community-5.1.61-1.rhel5.i386.rpm
[root@localhost home]# rpm -ivh MySQL-client-community-5.1.61-1.rhel5.i386.rpm Preparing... ########################################### [100%] 1:MySQL-client-community ########################################### [100%] [root@localhost home]#
显示安装完毕。
2、登录MySQL
登录MySQL的命令是mysql，mysql 的使用语法如下：
mysql [-u username] [-h host] [-p[password]] [dbname]
username 与 password 分别是 MySQL 的用户名与密码，mysql的初始管理帐号是root，没有密码，注意：这个root用户不是Linux的系统用户。MySQL默认用户是root，由于初始没有密码，第一次进时只需键入mysql即可。
[root@localhost home]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.1.61-community MySQL Community Server (GPL) Copyright (c) 2000, 2011, 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>
出现了“mysql>”提示符，恭喜你，安装成功！