Home Database Mysql Tutorial RedHat AS6安装MySQL

RedHat AS6安装MySQL

Jun 07, 2016 pm 04:46 PM
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RedHat 版本: 6.2 mysql 版本: mysql-5.5.19 安装包文件名: mysql-5.5.19-linux2.6-x86_64.tar.gz 一、安装步骤: 在官网上

RedHat 版本:  6.2

mysql 版本:   mysql-5.5.19

安装包文件名: mysql-5.5.19-linux2.6-x86_64.tar.gz

一、安装步骤:

在官网上下载mysql-5.5.19-linux2.6-i686.tar.gz压缩包,此包解压后为编译好的文件,不需要咱们自己编译、安装,直接修改配置即可用。

1、将 mysql-5.5.19-linux2.6-x86_64.tar.gz 拷贝至 /opt 目录

2、解压

# tar -zxvf mysql-5.5.19-linux2.6-i686.tar.gz -C /usr/local/ ;

注意:解压到/usr/local/ 非常重要

3. 将 mysql-5.5.19-linux2.6-x86_64 文件夹改名为 mysql

注意:现在mysql的目录为:/usr/local/mysql(如果放在其他目录,安装问题会很多)

4、建立数据库的用户组和用户

# groupadd mysql

# useradd -g mysql mysql

5、将mysql启动脚本mysql.server复制到/etc/rc.d/init.d目录中,命名为mysql;

# cp support-files/mysql.server /etc/rc.d/init.d/mysql

7、复制mysql配置文件my-medium.cnf到/etc/目录中,命名为my.cnf;

# cp support-files/my-medium.cnf /etc/my.cnf

8、修改mysql目录权限;

# chown -R root  /usr/local/mysql                //改变mysql目录的所属用户

# chgrp -R mysql /usr/local/mysql               //改变mysql目录的所属组

# chown -R mysql /usr/local/mysql/data      //改变data目录的所属用户,此目录用于存放数据库

9、生成mysql系统数据库。执行/usr/local/mysql/scripts/mysql_install_db安装授权表.

# /usr/local/mysql/scripts/mysql_install_db --user=mysql&

10、启动mysql服务.运行/usr/local/mysql/bin/mysqld_safe

# /usr/local/mysql/bin/mysqld_safe --user=mysql&

如果出现:Starting mysqld daemon with database from /usr/local/mysql/data代表正常启动mysql服务器。

11、启动mysql服务

# /etc/rc.d/init.d/mysql start

12、启动mysql

# /usr/local/mysql/bin/mysql

出现mysql>

到此,mysql就搞定了,,你可以操作数据库,可以修改管理员密码了……

启动mysql注意问题:

(1)要启动mysql必须先启动mysql_safe服务(上边第10步)。

# /usr/local/mysql/bin/mysqld_safe --user=mysql&

(2)其次启动mysql服务(上面第11步)

# /etc/rc.d/init.d/mysql start

(3)然后启动mysql

# /usr/local/mysql/bin/mysql

二、登录mysql方法:

(1)如果你已经在/usr/local/mysql/bin目录

执行:# ./mysql

如果 root用户设置了密码

执行:

./mysql -u root -p

输入mysql root的密码,然后回车。

(2)如果你在其他目录

执行:# /usr/local/mysql/bin/mysql

如果 root用户设置了密码

执行:

/usr/local/mysql/bin/mysql -u root -p

输入mysql root的密码,然后回车。

三、Linux 下 让mysql 自动启动

在MySQL安装程序的解压包/usr/local/mysql/support-files有一个叫myslq.server的启动脚本程序。把它复制到/etc/rc.d/init.d目录里面:

# cd /etc/rc.d/init.d

# cp /usr/local/mysql/support-files/mysql.server mysql

接着把它的属性改为“x”(executable,可执行)

# chmod +x mysql

最后,运行chkconfig把MySQL添加到你系统的启动服务组里面去。

执行chkconfig --add mysql

linux

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