Virtual Subhosting
Virtual Subhosting is one of the most powerful features of the Virtual Private Server and our
Apache Web Server. This feature allows you to support multiple domain names that each
resolve to their own unique subdirectories on a single Virtual Private Server. In other words, you can host bob.com and
jim.com on the same Virtual Private Server, each with its own domain name and unique site content. You can also offer
each Virtual Subhost customer their own unique FTP login with access to their own subdirectory and e-mail addresses using
their own domain name.
Subhosting Limitations
Virtual Subhosting has many advantages, but each subhost can create a load on your server. Because the traffic, content, and
load generated by a Web site can vary significantly from one site to another, we can not give exact numbers of subhosts a
single server can handle. You should be aware, however, that CGI scripts, dynamic content, and heavy traffic sites will
need more of your VPS than simple static content sites.
Configuration
Configuring Virtual Subhosts need not be a daunting task. There are several methods you can use to do it. A utility that
automates Virtual Subhost configuration can be easier, faster, and more user-friendly. If you require more flexibility to
fine tune the setup to your exact needs, then you should configure your Virtual Subhosts by hand.
NOTE: Before configuring the Subhost on your Virtual Private Server you will
first want to make sure the domain has been added to nameservers. Most Registrars have nameservers available to use. If
you do not know what nameservers your domain has been added to contact the Registrar. It is also a good idea to have the
TTL lowered for existing domains. The TTL is the amount of time that the current domain name informaion remains in Internet
Server caches. This is done in the DNS registry of the domain. If you do not have access to the DNS registry contact the
Registrar.
- vaddhost
The vaddhost utility is an interactive, command-line program that automates the
process of configuring Virtual Subhosts.
- Manually Configuring Virtual Subhosts
It is possible to configure Virtual Subhosts by hand. These instructions include directions for setting up
cgi-bin access, separate web server log files, and other features.
- The Virtusertable
Providing E-Mail for Virtual Subhosts
Virtual Subhosting Help
The following documents provide in-depth information about Virtual Subhosting.
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