CentOS 5
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Virtual Hostings
It's the example to configure virtual hostings. Following example is done as domain name [srv.world (root directory[/var/www/html])], virtual domain name [virtual.host (root directory[/home/cent/public_html])]. Before doing it, it's necessarry to add new doman name in your DNS first.
[1] Configure httpd for Virtual Hostings.
[root@www ~]#
vi /etc/httpd/conf/httpd.conf
# line 972: uncomment

NameVirtualHost *:80
# add follows to the end: ( for original domain )

<VirtualHost *:80>
   DocumentRoot /var/www/html
   ServerName www.srv.world
# add settings for virtual domain

<VirtualHost *:80>
   DocumentRoot /home/cent/public_html
   ServerName www.virtual.host
   ServerAdmin webmaster@virtual.host
   ErrorLog logs/virtual.host-error_log
   CustomLog logs/virtual.host-access_log combined
[root@www ~]#
/etc/rc.d/init.d/httpd restart

Stopping httpd:
[  OK  ]

Starting httpd:
[  OK  ]

[2] Access to the test page that is for original domain, it's OK if possible.
[3] Access to the test page that is for virtual domain, it's OK if possible.
[cent@www ~]$
vi ./public_html/index.cgi

print "Content-type: text/html\n\n";
print "<html>\n<body>\n";
print "<div style=\"width: 100%; font-size: 40px; font-weight: bold; text-align: center;\">\n";
print "Virtual Host Test Page";
print "\n</div>\n";
print "</body>\n</html>\n";

[cent@www ~]$
chmod 705 ./public_html/index.cgi