Partitioning a single server to appear as multiple servers has been increasingly common on microcomputers since the launch of VMware ESX Server in 2001. The physical server typically runs a hypervisor which is tasked with creating, releasing, and managing the resources of "guest" operating systems, or virtual machines. These guest operating systems are allocated a share of resources of the physical server, typically in a manner in which the guest is not aware of any other physical resources save for those allocated to it by the hypervisor. As a VPS runs its own copy of its operating system, customers have superuser-level access to that operating system instance, and can install almost any software that runs on the OS; however, due to the number of virtualization clients typically running on a single machine, a VPS generally has limited processor time, RAM, and disk space.[2]
With our 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.

"Root" gives you administrative level access to edit, install and configure all of the files on your server, including system-critical files. It gives you ultimate access to your server. This gives you the ability to configure your server to your exact needs. While root access gives you full control of your server, it is intended for experienced users, engineers and developers. That's because you do have the potential to misconfigure or delete those system critial files if you're unfamiliar or inexperienced with what you're doing.
And if your “neighbor” on the server is hacked, there’s little chance the infection will spread to your VPS because the hypervisors that are used to create separate VPS environments deliver multi-layered network security and keep tight controls on what enters and leaves. Your root access also means you can add or customize your VPS security software as you please.

Similarly, in a real dedicated server, you will pay for the entire server that is not shared with anyone else. You will get complete control over all services. Unfortunately, it is also the most expensive hosting option and needs some technical expertise to manage. It is commonly used by those who have websites with specific scenarios, most commonly extremely high traffic and tight security requirements.

Shared hosting is like you are living in a room with a lot of friends. It means you must fit in the same room and you must split the cost of several things because it is affordable and cheap. However, several individuals are sharing the same space, it means everyone needs to live within a space with restricted resources among them. You will have to use the same things (that sounds a little unhygienic).


Website owners with misconfigured CMS scripts or out of date security versions of code risk MySQL injections particularly that can lead to the theft of an entire database. VPS admin login panels, cPanel logins, FTP connection routes, and email servers running on Apache are all common attack vectors for script bots which are programmed to target common URL structures on domains.
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As you can see, a VPS can be the perfect middle ground for many – enough flexibility and resources for those who need more access or control than on a shared server but without the cost of a dedicated server. If you need root access, you can’t get that on a shared server, but you can get it on a VPS. If your site experiences unpredictable swings memory usage, and your host provides it, then the presence of burstable memory will be attractive. And, if you’re a fan of customization, then the fact that you can customize server-level software such as PHP, MySQL, and Apache will perk your interest.  In short, choosing a VPS will allow you to have many of the same characteristics of a dedicated server but in a more affordable and manageable package.
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