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VPS stands for ‘Virtual Private Server’ and is seen as a separate server by you and any other computer on the internet, but in reality it is actually a virtual environment hosted on a server with several other VPS.

They are seen by many as the step in between a cheap reseller account and a costly dedicated server - however, costs for VPS can vary greatly.

By having a VPS you have your own server, more or less, meaning that you can add programs and features as you like within your own environment without being at the mercy of other users; this can prove to be an advantage for some resellers since they might require special security settings which they’d never be able to get set on a reseller account - but which they will be able to set in a VPS environment.

A VPS is perfect for you if you require a dedicated environment but are not able to afford a dedicated server or if you have outgrown your standard reseller account and have no choice but to upgrade to a dedicated environment.

 If you are using a control panel such as cPanel then you should be able to get all your data and websites moved over without causing any downtime or hassle to your customers.

See my list of recommended VPS hosting http://www.top10webhosting.com/virtual.php

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FastCGI for PHP makes all your PHP applications run through mod_fastcgi instead of mod_phpsusexec. FastCGI applications are fast because they’re persistent. There is no per-request startup and initialization overhead. This makes possible the development of applications which would otherwise be impractical within the CGI paradigm (e.g. a huge PHP script, or an application which requires a connection to one or more databases).

Advantages :

• PHP scripts will run faster. The PHP interpreter is loaded into memory rather than calling from storage for every hit, greatly improving performance of your scripted site.
• You will use less Server Resources. Since the server does not have load the PHP interpreter for each hit, you will be able to accommodate a higher traffic site without exceeding your CPU quota.
• NO modifications to your existing code are required. Everything you currently run will work with FastCGI for PHP.

Potential Problem / Limitation :

• You will only have one php.ini file available for all subdirectories (e.g. /home/USERNAME/public_html/php.ini). This is necessary to help optimize the website code as much as possible. If you need multiple php.ini files to accommodate different scripting needs, you can disable FastCGI for PHP on any of your subdirectories while leaving the rest of the account enabled for performance. You may have to contact support if you need to do this.
• There can be a few minute delay in any updates you make to your PHP environment (ie, php.ini changes). Since your php.ini is loaded into memory for greater speed, every hit does not re-read it from storage.

Not all PHP host offer this service, but BlueHost and Hostmonster does offer PHP 5 FastCGI feature.

Related :

Understanding FastCGI Application Performance.

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A Domain Alias (or Park Domain) allows additional domain names to all lead to the exact same locations on your original website. For example, if you are hosting your domain name “original.com” and added a Domain Alias for “alias.com”, then http://www.original.com and http://www.alias.com would take a visitor to the exact same pages of your original.com website.

http://original.com/somefile.html would bring someone to the exact same page as http://alias.com/somefile.html. With a Domain Alias, the URL in the address bar of the user’s browser stays exactly as they typed it.

Domain Aliases have all the properties of a regular domain hosting account in terms of DNS and mail. The only difference is that the Domain Alias has no files (web pages) of it’s own. Instead it uses the files of the aliased domain name.

Domain Alias is the same as Park domain, some web host prefer to use the term Domain alias over the other.  Cpanel host however, uses the term Park domain.

About author : This original article is property of Top 10 Web Hosting (http://www.top10webhosting.com). List of best web hosting services company offering PHP and MySQL. Compare & save ! on web hosting fee.

Note : Please include author information if you wish to republish this article.