Unlike managed VPS plans, unmanaged VPS plans are not actively managed by A2 Hosting. Unmanaged VPS plans are for more advanced users who are comfortable using the command-line interface and doing system administration tasks. These plans include root account access so you can customize the server as much as necessary. As a result, you are responsible for the following items:

Running a growing business on the Internet today requires a fast and reliable broadband connection. Having a reliable network with premium peering partners and ISPs, InMotion Hosting gives you faster email and web site performance. With InMotion Hosting's VPS Hosting, you have access to an incredibly fast Gigabit network with 100Mbit transfer speed standard. Your VPS server is part of a data center that connects to the Internet through 3 separate ISPs. Our BGP4 Smart Routing technology also automatically adapts and switches networks based on latency, always giving you the best possible speed.

The choice you have to make between managed and unmanaged VPS hosting depends on several factors. Your skill in handling the server is an important factor. The efficiency in dealing with the complicated aspects of server hosting is necessary when you lack a manager to administrate the VPS hosting server. The strength of your business in terms of the profit is another important aspect. Considering all these factors, it is always advisable to seek higher opinion in your choice of a web hosting server.
If you host or manage a number of different sites, cPanel and WHM provide you with all of the tools you need to manage and resell your VPS Hosting resources. As a Reseller, you can create multiple cPanel accounts, allocate resources and bill your clients, all within WHM's powerful Reseller interface. This feature is an all-in-one tool for designers, developers and agencies that host multiple clients with one account.
If you’re outgrowing your shared web hosting or simply want more control, a managed or fully managed Virtual Private Server (VPS) is the next logical choice for your hosting needs. It gives you more freedom with root access to Apache and PHP, plus you can install an SSL certificate, as well as any type of software – all without the responsibility of a dedicated server.

Due to the volume of transfer requests, you can expect a full transfer to be completed anywhere from 10-14 days, experiencing little to no downtime during the migration. If you are looking for an expedited move (for example, your site has been down for days and you need to get it moved quickly), you can purchase Managed Hosting for $40 per hour and they will help take care of the transfer process for you in a 1-2 day window. Launch Assist (2 hours with our Managed Hosting team) comes included free as a part of all 12 month VPS-2000HA-S plans and for all term lengths for VPS-3000HA-S plans.
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If you'd like to run a VPS, I'd suggest you to look for a managed one with cPanel. cPanel is a piece of software that facilitates a lot configuring the server, while managed means that the support guys will help you with initial configuration of the server, and also help you out with config/upgrades whenever you need help. It's a bit more expensive than non-managed, but if you don't know how to manage/administer a server, than it's essential. You can find a decent managed VPS in USA from 20 $ and up.
A Virtual Private Server is created by partitioning the physical server into multiple mini servers, made possible by the technology of Server Virtualization. The term Virtual Server is widely used by Internet hosting services and it is often used to refer a Virtual Machine. A Virtual Private Server VPS works in a federated environment used by other virtual machines. But in all aspects the functionality is equivalent to that of an environment created by a physical computer dedicated to individual customer needs. It offers the same privacy, which is seen in separate physical computer environment, configured to run server software. Virtual Private Servers are also known with the synonyms Virtual Root Server VRS and Virtual Dedicated Server VDS.
With a VPS, you receive all the power of Dedicated Server Hosting plus the ability to maintain your own set of services and customizable disk space. Here, you can also perform any desired actions from your control panel, without the need to contact our technical support team. With Shared Hosting, however, you have limited administrative access and are not able to customize software configurations. Learn more about the differences →

Users of Shared hosting all share the resources on the server their websites are on. There is no guarantee of RAM or CPU with Shared hosting. Shared hosting also does not provide full root access to the server, as opposed to VPS package where users are given full root access to perform commands and make configuration changes to their hosting environment.
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]
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