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CentOS/RHEL6+下以RPM方式安装MySQL5.5_MySQL

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Release: 2016-06-01 13:02:11
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首先去http://dev.mysql.com/downloads/mysql/5.5.html#downloads站点下载:

分别下载以下三个文件(由于我的机器是32位,下面是32位版本的包,如果你的机器是64位的请下载64位版本):

MySQL-server-5.5.16-1.rhel5.i386.rpm

MySQL-client-5.5.16-1.rhel4.i386.rpm

MySQL-devel-5.5.16-1.rhel4.i386.rpm

使用wget命令使用断点传输的方式将这三个文件下载 

wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-server-5.5.16-1.rhel4.i386.rpm/from/http://mysql.spd.co.il/

wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-client-5.5.16-1.rhel4.i386.rpm/from/http://mysql.spd.co.il/

wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-devel-5.5.16-1.rhel4.i386.rpm/from/http://mysql.spd.co.il/ 

下载完成后开始安装:

rpm -ivh MySQL-server-5.5.16-1.rhel4.i386.rpm MySQL-client-5.5.16-1.rhel4.i386.rpm MySQL-devel-5.5.16-1.rhel4.i386.rpm 

提示安装完成后,输入mysql 看是否安装成功

mysql 

如果出现如下错误信息:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

说明mysql服务还没有启动,输入service mysql start启动mysql服务

service mysql start 

然后再输入mysql,若出现以下提示信息,说明成功。

Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.16 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. 

首次安装时,默认密码为空,可以使用如下命令修改root密码,

mysqladmin -u root password mypassword

mypassword 为你设定的新密码

然后再次登录

mysql -u root –p 

rpm包安装的MySQL是不会安装/etc/my.cnf文件的,解决方法,只需要复制/usr/share/mysql目录下的my-huge.cnf 文件到/etc目录,并改名为my.cnf即可

cp /usr/share/mysql/my-huge.cnf /etc/my.cnf 

配置远程访问

处于安全考虑,Mysql默认是不允许远程访问的,可以使用下面开启远程访问

//赋予任何主机访问数据的权限
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION

//使修改生效
mysql>FLUSH PRIVILEGES

如果依然不能远程访问的话,那就很可能防火墙的原因了,可以在防火墙中开启3306端口或者干脆关掉防火墙。

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