[转]apache配置二级域名

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对服务器 www.example.com和blog.example.com都作了DNS域名解释，在服务器上能ping通。
(服务器供应商通常都提供设置DNS域名解释服务，本地的修改hosts文件）

方法一
修改配置文件httpd.conf

1.注释

#DocumentRoot "/usr/local/httpd/htdocs"

2.在文件最后处加上

NameVirtualHost *:80
    <VirtualHost *:80>
      ServerAdmin admin@example.com
      DocumentRoot "/usr/local/httpd/htdocs"
      ServerName www.example.com
      ErrorLog "/usr/local/httpd/logs/error.log"
      CustomLog "/usr/local/httpd/logs/custom.log" combined
    </VirtualHost>
     
    <VirtualHost *:80>
      ServerAdmin admin@example.com
      DocumentRoot "/usr/local/httpd/htdocs/blog"
      ServerName blog.example.com
      ErrorLog "/usr/local/httpd/logs/blog_error.log"
      CustomLog "/usr/local/httpd/logs/blog_custom.log" combined
    </VirtualHost>

3.重启服务器成功

4.访问www.example.com成功

5.访问blog.example.com失败 404NOT FOUND
6.最后检查发现再配置文件上面 有一行 ServerAdmin you@example .com，将其注释再重启服务器则访问成功

#ServerAdmin you@example.com

方法二

1.将httpd.conf配置文件的两行注释

#DocumentRoot "/usr/local/httpd/htdocs"

#ServerAdmin you@example.com

2.而后引入虚拟服务器配置文件，打开Virtual hosts下面的Include注释

# Virtual hosts
Include conf/extra/httpd-vhosts.conf

3.在配置文件 conf/extra/httpd-vhosts.conf一样加入以下内容

NameVirtualHost *:80
    <VirtualHost *:80>
      ServerAdmin admin@example.com
      DocumentRoot "/usr/local/httpd/htdocs"
      ServerName www.example.com
      ErrorLog "/usr/local/httpd/logs/error.log"
      CustomLog "/usr/local/httpd/logs/custom.log" combined
    </VirtualHost>
     
    <VirtualHost *:80>
      ServerAdmin admin@example.com
      DocumentRoot "/usr/local/httpd/htdocs/blog"
      ServerName blog.example.com
      ErrorLog "/usr/local/httpd/logs/blog_error.log"
      CustomLog "/usr/local/httpd/logs/blog_custom.log" combined
    </VirtualHost>