Home Database Mysql Tutorial [原创]mysql 4.0.21安装经验谈_MySQL

[原创]mysql 4.0.21安装经验谈_MySQL

Jun 01, 2016 pm 01:56 PM
beginner Install article

安装mysql 4.0.21遇到不少麻烦,也查了不少CU上面的文章,但都不是很管用,因为费了不少周折,所以有必要介绍一下经验,让后来人少走弯路。我写这篇文章的目的不仅是像我一样的初学者可以完成mysql-4.0.21的安装,而且能够凭本文的经验应付今后mysql版本的安装。是不是有点自夸?我觉得不是,因为我觉得步骤不是最重要的,后面的经验才是最重要的。另外,安装环境是Linux AS 3和gcc支持。
一、先说一下安装步骤
#groupadd mysql
#useradd -g mysql mysql
#tar zxvf mysql-4.0.21.tar.gz    /*会生成一个mysql-4.0.21的目录*/
#cd mysql-4.0.21
#./configure --prefix=/usr/local/mysql
#make
#make install
#cp support-files/my-medium.cnf /etc/my.cnf    /*这时会问是否覆盖重名文件,回答y*/
#cd /usr/local/mysql
#bin/mysql_install_db --user=mysql    /*以mysql用户建系统库,必须以mysql用户,这点很重要!*/
#chown -R root  .
#chown -R mysql var
#chgrp -R mysql .
#bin/mysqld_safe --user=mysql &    /*也要用mysql用户运行,如果没任何反应,恭喜!成功了!*/
二、分享经验
1.虽然CU的精华文章很好,但mysql的版本不同,安装有细微差别!最可靠的是看解压缩后的mysql-VERSION目录里的INSTALL-SOURCE文件,我以上的安装步骤就是按照此文件一字不差的粘过去的,就成功了。开始时因为偷懒看CU的中文始终建系统库不能成功,因为那些文章都是以前版本的mysql安装。
2.细节情况
(1)本文是源代码安装,是为了减少不必要的麻烦。如果是二进制安装首先要选择正确的二进制包安装,具体细节请参照INSTALL-SOURCE文件,这点也很重要。步骤和以上差不多,只是少configure、make和make install三步骤。
(2)make大致需要15分钟的时间,请耐心等待,等啊等 :em24:  :em24: 
(3)make install要快的多,也就1分钟不到吧(没有秒表,估算不周请原谅)
(4)建系统库必须用mysql用户!上面已经强调了,我就是因为开始时没有加“--user=mysql”就建库建不成。建系统库会返回如下信息:
# bin/mysql_install_db --user=mysql
Preparing db table
Preparing host table
Preparing user table
Preparing func table
Preparing tables_priv table
Preparing columns_priv table
Installing all prepared tables
040913 20:11:39 /usr/local/mysql/libexec/mysqld: Shutdown Complete
(5)运行的时候也要用mysql用户,而且命令是mysqld_safe而不是以前的safe_mysqld。这点在INSTALL-SOURCE里面也有说明。这时候最怕出现“……ended”字样,这代表不能正常启动mysql。没有反应最好,按回车返回#提示符。
(6)正常的话,就可以用:
#vi /etc/rc.d/rc.local
命令编辑启动脚本,在最后加上“/usr/local/mysql/bin/mysqld_safe --user=mysql &”就完成了安装。
(7)如果还不放心,可以用“#netstat -nat”检查,如果有3306端口就对了;
也可以用“#ps -ef | grep mysqld”返回三行带有“mysqld”字样的结果也可以帮助判断。
(8)最后别忘记改mysql的密码

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