ubuntu系统下apache配置虚拟主机及反向代理详解

$ sudo vi /etc/apache2/sites-available/000-default.conf
#DocumentRoot /var/www/html  ##注释掉该行
$ cat /etc/apache2/sites-available/000-default.conf|grep -v "#"
<VirtualHost *:80>
ServerAdmin webmaster@localhost
   ServerName www.blogsir.com.cn
   DocumentRoot "/var/www/html/"
   ErrorLog ${APACHE_LOG_DIR}/error.log
   CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
<VirtualHost *:80>
   ServerName www.s7star.cn
   DocumentRoot "/var/www/xx" 
   ErrorLog ${APACHE_LOG_DIR}/error.log
   CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

$ sudo vi /etc/hosts
127.0.0.1 www.blogsir.com.cn
127.0.0.1 www.s7star.cn

a2enmod proxy proxy_balancer proxy_http

<VirtualHost *:80>
  ServerName ctf.s7star.cn
  DocumentRoot "/var/www/xx/"
  ErrorLog ${APACHE_LOG_DIR}/ctf_errors.log
  CustomLog ${APACHE_LOG_DIR}/ctf_accesses.log combined
  ProxyPass / http://127.0.0.1:4000/
  ProxyPassReverse / http://127.0.0.1:4000/
</VirtualHost>