在ubuntu14.04 LTS下当完成lamp的安装后如何添加多个虚拟主机

当我们安装好lamp的环境后，我们通常是使用localhost进行本地地址的访问，然而，当我们在实验的环境中，需要配置多个域名，进行不同的访问时，比如说，一个localhost和一个test.cn两个主机时，增加一个网站test.cn做实验时，这是我们就要用到虚拟主机了。

在这里我用到的php环境是lamp-server,操作系统为ubuntu 14.04 LTS。#号为注释的内容

1. 在/etc/hosts下里添加这个127.0.0.1 food.cn
   
   127.0.0.1    localhost
   127.0.0.1   test.cn    #添加自己需要的域名
   # The following lines are desirable for IPv6 capable hosts
   ::1     ip6-localhost ip6-loopback
   fe00::0 ip6-localnet
   ff00::0 ip6-mcastprefix
   ff02::1 ip6-allnodes
   ff02::2 ip6-allrouters

2. xc@wen:cat /etc/apache2/sites-enabled/000-default.conf #查看配置文件
   <VirtualHost *:80>
       # The ServerName directive sets the request scheme, hostname and port that
       # the server uses to identify itself. This is used when creating
       # redirection URLs. In the context of virtual hosts, the ServerName
       # specifies what hostname must appear in the request‘s Host: header to
       # match this virtual host. For the default virtual host (this file) this
       # value is not decisive as it is used as a last resort host regardless.
       # However, you must set it for any further virtual host explicitly.
       #ServerName www.example.com
   
       ServerAdmin webmaster@localhost
       DocumentRoot /var/www/html
   
       # Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
       # error, crit, alert, emerg.
       # It is also possible to configure the loglevel for particular
       # modules, e.g.
       #LogLevel info ssl:warn
   
       ErrorLog ${APACHE_LOG_DIR}/error.log
       CustomLog ${APACHE_LOG_DIR}/access.log combined
   
       # For most configuration files from conf-available/, which are
       # enabled or disabled at a global level, it is possible to
       # include a line for only one particular virtual host. For example the
       # following line enables the CGI configuration for this host only
       # after it has been globally disabled with "a2disconf".
       #Include conf-available/serve-cgi-bin.conf
   </VirtualHost>
   
   

3. 修改上面的文件内的配置，sudo gedit /etc/apache2/sites-enabled/000-default.conf 配置虚拟主机，复制和localhost的配置并去掉相关注释
   xc@wen:sudo gedit /etc/apache2/sites-enabled/ 000-default.conf #修改虚拟主机的配置文件
   <VirtualHost *:80>
       # The ServerName directive sets the request scheme, hostname and port that
       # the server uses to identify itself. This is used when creating
       # redirection URLs. In the context of virtual hosts, the ServerName
       # specifies what hostname must appear in the request‘s Host: header to
       # match this virtual host. For the default virtual host (this file) this
       # value is not decisive as it is used as a last resort host regardless.
       # However, you must set it for any further virtual host explicitly.
       #ServerName www.example.com
   
       ServerAdmin webmaster@localhost
       DocumentRoot /var/www/html
   
       # Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
       # error, crit, alert, emerg.
       # It is also possible to configure the loglevel for particular
       # modules, e.g.
       #LogLevel info ssl:warn
   
       ErrorLog ${APACHE_LOG_DIR}/error.log
       CustomLog ${APACHE_LOG_DIR}/access.log combined
   
       # For most configuration files from conf-available/, which are
       # enabled or disabled at a global level, it is possible to
       # include a line for only one particular virtual host. For example the
       # following line enables the CGI configuration for this host only
       # after it has been globally disabled with "a2disconf".
       #Include conf-available/serve-cgi-bin.conf
   </VirtualHost>

   #这里为新添加的虚拟主机，主机名为test.cn
   <VirtualHost *:80>
       ServerAdmin test.cn     #这里也定义一个域名
   

       ServerName test.cn      #添加自己定义的域名
       DocumentRoot /var/www/test   #添加自己域名所对应的目录
       ErrorLog ${APACHE_LOG_DIR}/error.log
       CustomLog ${APACHE_LOG_DIR}/access.log combined
   </VirtualHost>

   
   

4. 重启apache服务
   sudo service apache2 restart

   
   

5. 打开浏览器，输入test.cn即可以用这个域名访问自己定义的文件了。

   
   

   
   

   注意：在这个配置的过程中，最主要的就是找到虚拟主机的配置文件了，在utubtu LTS下是放在，/etc/apache2/sites-enabled/000-default.conf，打开即可

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