VPS (Virtual Private Server)
What is VPS?
VPS, Virtual Private Server, is a virtualized server. A virtual machine sold as a service by an internet hosting provider. A VPS runs a copy of an operating service and you get a higher level of access to that operating system instance. This means that you can install almost any software that runs on that OS.
A VPS is for many purposes the functional equalent of a dedicated physical server, and being software-defined, is able to be much more easily created and configured. The VPS is often cheaper than an equivalent physical server, but the performance may be lower because because they share the underlying physical hardware with other VPSs. This means that they may depend on the workload of other instances on the same hardware node. It is technically both shared hosting and dedicated hosting. The VPS hosting gives you the affordability of shared hosting while at the same time giving you more power and control like a dedicated server. The VPS alternative is often chosen by small businesses that need a customized website but cannot afford a dedicated server. Another useful aspect of VPS technology is the ability of a single subscriber to maintain multiple virtual servers.
Why is VPS Hosting different than Shared and Dedicated?
With dedicated servers, you rent an entire server. This is optimal for people that have very high traffic to their websites or need to setup their server in a very specific way. Not everyone needs to have a fully dedicated web server however. If you’re just getting started with your website, you can save quite a bit of money if you rent a small portion of the server. Shared hosting is when you share a portion of the server with other users rather than rent an entire server to yourself.
If you are considering a dedicated server and are unsure if it is right for you, perhaps you will need to get VPS hosting.
The technology behind VPS hosting is similar to that of VMware or Virtual Box. These programs allow you to run several virtualized operating systems on one machine. For example, your desktop may be running Windows 7, but you can also run other operating systems such as Windows XP or Linux without needing to restart your computer.
VPS hosting envionments function in the same way. While you have one physical server, you can run several different virtualized operating systems on that one server. Each virtualized operating system acts as if it was a dedicated server. This allows you to have all of the benefits of a dedicated server, at a fraction of the cost.
VPS hosting gives you the affordability of shared hosting while at the same time giving you more power and control like a dedicated server.
- Privacy – As you don’t share your OS with anyone else, there are no other websites on your server that potentially have access to your files.
- Customization – With a VPS Server, you have your own Operating System. This also means that you have your own instances of all server applications such as Apache, PHP, and MySQL. If you need to have any of these services customized, you can make changes to suit the server to your needs.
- Control – If you’re installing server applications that require a system restart, you can do so at any time. Even though technically you share a server with other VPS servers, your VPS server can be restarted without affecting anyone else.
- Dedicated Resources – On a VPS Server, you have dedicated amounts of RAM available to you at any time. Unlike shared hosting, there is no one else on your server that can use utilize all the RAM when you need it most!
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