What is VPS?
Virtual Private Hosting, or VPS, is an economical way to obtain the
functionality of a dedicated server. Through the software installed
on the server, accounts are created in complete isolation from one another.
Accounts exist on the same server, much like shared hosting, but these
accounts allow root access to install programs and applications that
would not be available to other accounts. You are able to customize
your VPS just like a dedicated server but at a fraction of the cost.
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In the standard shared environment most hosts provide,
accounts are set up to share the operating system and the
same set of applications. Designers looking to upgrade
or extend the functionality of basic shared hosting are
limited by lack of root access. Finally, shared environments
share Sendmail, which places all users at risk of blacklisting
if only one sends spam.
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VPS accounts operate independently of each other. Each
has its own operating system and applications, including
Sendmail, and can be customized by the owner with new applications.
VPS also affords the customer a certain minimum allowance
of bandwidth and processor time, so one account cannot
monopolize an entire server. VPS accounts utilize unique
Sendmail, removing the danger of server-wide blacklisting.
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