虚拟主机：部署多个站点，每个站点，希望用不同的域名和站点目录，或者是不同的端口，不同的ip，需要虚拟主机功能。一句话，一个http服务要配置多个站点，就需要虚拟主机。
虚拟主机分类：基于域名、基于端口、基于ip；所谓的基于**，就是靠**来区分不同的站点，支持各种混合，N多个虚拟主机。
基于域名的虚拟主机配置如下：
创建环境：
[root@bqh-119 extra]# mkdir /var/html/{blog,bbs} -p[root@bqh-119 extra]# touch /var/html/{blog,bbs}/index.html[root@bqh-119 extra]# tree /var/html//var/html/├── bbs│ └── index.html└── blog└── index.html2 directories, 2 files[root@bqh-119 extra]# for name in blog bbs;do echo "http://$" >/var/html/$name/index.html;done[root@bqh-119 extra]# for name in blog bbs;do cat /var/html/$name/index.html;done
配置虚拟主机配置文件：httpd-vhosts.conf
[root@bqh-119 extra]# vim httpd-vhosts.conf1 #2 # Virtual Hosts3 #4 # If you want to maintain multiple domains/hostnames on your5 # machine you can setup VirtualHost containers for them. Most configurations6 # use only name-based virtual hosts so the server doesn't need to worry about7 # IP addresses. This is indicated by the asterisks in the directives below.8 #9 # Please see the documentation at 10 # <URL:/docs/2.2/vhosts/>11 # for further details before you try to setup virtual hosts.12 #13 # You may use the command line option '-S' to verify your virtual host14 # configuration.15 16 #17 # Use name-based virtual hosting.18 #19 NameVirtualHost *:8020 21 #22 # VirtualHost example:23 # Almost any Apache directive may go into a VirtualHost container.24 # The first VirtualHost section is used for all requests that do not25 # match a ServerName or ServerAlias in any <VirtualHost> block.26 #27 <VirtualHost *:80>28ServerAdmin 1147076062@29DocumentRoot "/var/html/blog"30ServerName 31ServerAlias 32ErrorLog "logs/blog-error_log"33CustomLog "logs/blog-access_log" common34 </VirtualHost>35 36 <VirtualHost *:80>37ServerAdmin 1147076062@38DocumentRoot "/var/html/bbs"39ServerName 40ServerAlias 41ErrorLog "logs/bbs-error_log"42CustomLog "logs/bbs-access_log" common43 /VirtualHost>
在主配置文件(httpd.conf)里激活生效：
Include conf/extra/httpd-vhosts.confInclude conf/extra/httpd-mpm.conf
检测配置文件语法错误并刷新配置：
[root@bqh-119 extra]# ../../bin/apachectl -thttpd: apr_sockaddr_info_get() failed for bqh-119httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerNameSyntax OK[root@bqh-119 extra]# ../../bin/apachectl gracefulhttpd: apr_sockaddr_info_get() failed for bqh-119httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
配置一下hosts解析：
[root@bqh-119 extra]# cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.0.119
windows系统，在“C:\Windows\System32\drivers\etc”下的hosts中配置一下域名解析:
----------------------------------------------------------------------------------
用cur或客户端浏览器测试一下：
解决方法：
在主配置文件(httpd.conf)追加一下内容：
17 <Directory "/var/html">18Options FollowSymLinks19AllowOverride None20Order allow,deny21Allow from all22 </Directory>
检测配置文件语法错误，刷新配置，从新启动：
[root@bqh-119 conf]# vim httpd.conf[root@bqh-119 conf]# ../bin/apachectl -thttpd: apr_sockaddr_info_get() failed for bqh-119httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerNameSyntax OK[root@bqh-119 conf]# ../bin/apachectl gracefulhttpd: apr_sockaddr_info_get() failed for bqh-119httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
用cur或客户端浏览器测试一下：
---------------------------------------------------------------------------------
ok，Apache基于域名的虚拟主机配置及测试完成。
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
基于端口的虚拟主机配置如下：
①在主配置文件httpd.conf里配置监听新增端口：
②在虚拟机配置文件httpd-vhosts.conf修改如下：
③检测配置文件语法错误，刷新配置，从新启动：
[root@bqh-119 conf]# ../bin/apachectl -thttpd: apr_sockaddr_info_get() failed for bqh-119httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerNameSyntax OK[root@bqh-119 conf]# ../bin/apachectl gracefulhttpd: apr_sockaddr_info_get() failed for bqh-119httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName[root@bqh-119 conf]# netstat -lntup|egrep "80|90"tcp 00 :::80 :::* LISTEN1343/httpdtcp 00 :::90 :::* LISTEN1343/httpd
④用cur或客户端浏览器测试一下：
注：如果不加端口访问，默认以ip的形式解析访问。
ok，Apache基于端口的虚拟主机配置及测试完成。
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
基于IP的虚拟主机配置如下：
①添加别名IP
②在虚拟机配置文件httpd-vhosts.conf修改如下：
③检测配置文件语法错误，刷新配置，从新启动：
④用cur或客户端浏览器测试一下：
ok，Apache基于IP的虚拟主机配置及测试完成
