apache配置虚拟主机(virtual host) 笔记
需求：我的www.cronhub.com域名需要指向到我租的服务器上，该服务器的80端口已经运行一个论坛的服务了。先敲入lsof -i :80，查看pid，确定apache装在哪COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
httpd 2761 root 3uIPv610248 TCP *:http (LISTEN)
httpd 15599 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15600 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15605 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15607 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15608 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15611 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15617 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15618 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15627 daemon 3uIPv610248 TCP *:http (LISTEN)
httpd 15632 daemon 3uIPv610248 TCP *:http (LISTEN)
这样就知道pid了
# ps aux|grep 2761
root 27610.00.2258489680 ? Ss Dec17 0:00/usr/local/httpd/bin/httpd-k start
root 157360.00.0 4988 688 pts/1 S+ 19:19 0:00 grep 2761
这样去/usr/local/httpd/conf目录备份httpd.conf，以便修改失败回滚
编辑httpd.conf
加入虚拟主机配置
# default virtual host，这是保留默认的工大论坛的web server，其中DocumentRoot 和 ServerName 要设置为全局的。如果不设置这个VirtualHost ，就会直接浏览器上敲入ip也会定向到cronhub网站
NameVirtualHost *:80
DocumentRoot /usr/local/httpd/htdocs
ServerName xxx.xxx.xxx.xxx #这xxx就是填入ip
# cronhub virtual host
DocumentRoot /home/mach/cron
ServerNamewww.cronhub.com
# 设置别名
ServerAlias cronhub.com *.cronhub.com
# 设置回滚日志
#其中/usr/local/httpd/bin/rotatelogs是apache回滚日志的官方程序，/usr/local/httpd/logs/%Y_%m_%d_cronhub_access_log为日志文件名格式
CustomLog "| /usr/local/httpd/bin/rotatelogs /usr/local/httpd/logs/%Y_%m_%d_cronhub_access_log 86400 480" common
ErrorLog"| /usr/local/httpd/bin/rotatelogs /usr/local/httpd/logs/%Y_%m_%d_cronhub_error_log 86400 480"
#如果不设置这个会出现在浏览器敲入网址后：Apache: You don't have permission to access / on this server
AllowOverride None
Options None
Order allow,deny
Allow from all
注意cronhub静态文件目录下/home/mach/cron的网站主页的文件改成index.html
否则配置还要加一句。
最后/usr/local/httpd/bin/httpd -t 检查配置
/usr/local/httpd/bin/httpd -k restart 重新启动apache载入配置
附录：官方网址教程
http://httpd.apache.org/docs/2.2/vhosts/name-based.html
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