Advanced Features of Virtual Private Servers

September 4, 2010 by admin  
Filed under Unix Server

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VPS hosting is established between the shared and dedicated hosting. This is the best alternative option for online business who requires extra resources on a server. In this hosting plan, you get as much similar benefits of having a dedicated server while being less expensive than dedicated server. In general, as VPS use the technique of partitioning the physical server into several (virtual) servers, all having independent operating systems.

 

 

Web site owners who are looking for great aspects associated with better control over the management website. Only VPS hosting is most measures than any other type of web hosting because of its security it provides. Root server access is the main advantage of dedicated hosting though shared hosting can be cheap and dedicated can be costly.

 

 

In a VPS Hosting plan is very workable to have sandboxes contain up to two virtual servers with a single physical server. Hosting two sites on the same server also provides the convenience of making changes to both interference with practice. The biggest advantage of VPS hosting over other servers either an individual or a company is that its data can be customized in any way with all the add on features.

 

 

The virtual private servers are specially made to create bridge and fully grown economies of shared hosting and dedicated hosting the big budget is now a reality. The biggest positive aspect of virtual private server is its instantaneous speed that comes into contact with other servers easy. No one access your confidential information because server to be private and completely locked. It is therefore possible to enjoy a higher level of an independent status the website at an affordable price.

 

 

The online community is now abuzz with the concept of virtualization. The biggest advantage of going into virtual private servers are the cost-effectiveness. Although the performance of these servers are very dynamic and parallel to dedicated servers, it is much profitable than any other server. The planning and implementation of tasks becomes quite unpretentious that activity in RAM is divided into small pieces for convenience. Most web developers and web master have become charmed by the kind of ease and convenience offered by these private servers. Although it is quite possible that VPS hosting can be run on the Windows platform once can also make use of the platforms and Linux or UNIX.

 

Virtual Server Hosting

August 14, 2010 by admin  
Filed under Web Hosting Basic

Virtual Server hosting

With “Virtual Server Hosting” your “system” runs on enterprise-class hardware located hosting provider data center. You gain many benefits from usage of virtual server infrastructure. Virtual servers provide you the high-availability characteristics (live failover, reduced/eliminated downtime, etc.) for a much lower cost than if you had to build the infrastructure yourself. Also, the ability to “grow” your server as needed via on-demand access to added processor, storage, memory, and network resources ensures that you will be able to keep pace with demand without the necessity of investing in a larger server before it is needed.

Based on enterprise-class server hardware

Enterprise-class multi-terabyte fiber-attached storage system

Enterprise-class virtualization software

Technology upgrade program

Redundant network, power, cooling, and SAN connectivity

Live fail-over virtually eliminates server downtime

Server Virtualization adds a layer of software called (a “hypervisor”) between the hardware and the operating system. The hypervisor allows several operating systems, and related applications, to run on the same hardware. The DIS virtual servers feature VMware®.

Without virtualization, 95% of servers have less than 20% processor utilization. By allowing one physical server to host multiple virtual machines, significant cost and time savings are recognized.

Server Virtualization also offers new, efficient ways of managing, moving and maintaining applications through VMware “clusters.”

I’ts very importan to keep in mind that VMware virtual platform is more stable than MS Virtualization , and when you are choosing your virtual server provider make sure that you will get VMware

To check Out Virtual server hosting providers visit http://www.ratethehosting.com/ developed Web hosting rating system that allows internet users and site owners to share their opinion on web hosting services, and rate the services according their quality.

SCO OpenServer Data Loss When Switch to Virtual Server

August 7, 2010 by admin  
Filed under Unix Server

When you try to make a virtual server by switching from SCO OpenServer Smart Array controller system to ESX server, you may encounter certain problems. After setting your drives on the new system and restoring the data, when you attempt to boot your system, the process might fail. This behavior may make all your critical data inaccessible and cause serious data loss. To sort out such behavior of SCO OpenServer system, you should opt for SCO OpenServer Recovery.

When you switch to the virtual server, you can backup your data by creating images of every individual drive. But when you reboot the system after restoring data on the VM (Virtual Machine) hard drives; you may encounter the following error message:

“Not a directory

Boot not found

Cannot open

Stage 1 boot failure: error loading hd(40)/boot”

When you attempt to get past the boot process using boot/root disks, the process halts before INIT SINGLE USER MODE with the following error message:

“PANIC: exit – cannot exec /etc/init (PID 1) 0×00000200”

If you attempt to access data by putting the old hard drives in slot, the array gets crashed and displays the underwritten error on screen:

“No array configuration”

This entire behavior of SCO OpenServer makes your system inaccessible and SCO Data Recovery comes into the picture to revive your critical server data.

Grounds of the issue

This problem may occur when you image the drive for transferring data to the Virtual Machine. The reason behind the issue is you have actually imaged the partition instead of the drive. Thus, the boot information goes missing from your drive and the system becomes unbootable.

Resolution

To sort out this problem, you need to format the primary volume of your hard drive and reinstall SCO OpenServer operating system. Formatting the hard drive will write new boot information on it and then you will be able to boot your system.

Although, formatting the drive is able to resolve boot level problems but it also has a downside. It removes all data from the hard drive and causes serious data loss issues. In such situations, carrying out SCO Data Recovery is the only option to fix this problem.

It is best possible using third party applications which are known as SCO OpenServer Data Recovery software. These software work in almost all data loss situations and perform absolute recovery by thoroughly scanning the drive.

Stellar Phoenix (SCO OpenServer) Data Recovery is the most powerful tool for SCO OpenServer Recovery. The software retrieves all missing or inaccessible data. It supports recovery from HTFS and EAFS file system volumes. The software gets installed on Windows (Windows XP, 2003, 2000, NT, ME and 98) and the UNIX hard should be connected as slave.

Difference Between Shared, Dedicated and Virtual Web Hosting

July 30, 2010 by admin  
Filed under Web Hosting Basic

Generally a new comer who doesn’t have any experience of web hosting, for him/her it is very challenging to choose a good web-hosting plan. The biggest problem on his/her way is that he/she is not familiar with the terminologies of the web hosting as well as not with the concerned factors.

It is mandatory for a new comer to have the basic knowledge of web hosting if he/she wants to make worthy decisions. In this article we will discuss about three different types of web hosting and their differences. Web hosting is of three types such as shared web hosting, dedicated web hosting and virtual web hosting. All of these web hosting are different on the basis of price as well as the requirements.

Shared web hosting:

In case of Shared web hosting company use to put the websites of different users on one server. Some limit to the amount of resources is provided to each and every user that his/her site is able to consume. When several sites on the same server get busy or a script on one site consumes extra resources the server can bog down, leaving the site slow or down.

There are many shared hosting plans that are available at very reasonable price. If one gets a good hosting company he/she may be able to avoid having his/her site bogged down, as due to having too many users on one server. Many shared plans are also available at the price less than the $10 a month as well as having the features and possibly even free domain registrations.

Dedicated web hosting:

Among the three web hosting services dedicated web hosting is the most expensive web hosting. In case of dedicated web hosting one does not require to share a server with other users where as he/she is going to use the entire server all alone. Usually, all of the resources of the server are available for the user only. Lots of times hosting companies offers the user different options for the type of server he/she can rent and the operating system it runs.

Dedicated servers are useful for the either bigger sites and also for the Webmaster that has 200 web sites and is fed up by paying for 200 shared hosting accounts. Shared or virtual web hosting are not able to manage such big accounts usually they can handle personal or small business sites only.

Virtual web hosting:

A virtual web hosting is the fusion of a shared web hosting account and a dedicated server. Software on the server is able to break it down into multiple “virtual” servers. In this case the effect is basically like having several servers on the same machine and one would be paying for one of these virtual servers.

Virtual servers allows the user the flexibility of modifying his/her server settings as if he/she was renting a dedicated server but since he/she is actually sharing a server with other users he/she used to pay very less. Virtual private server plans are quite expensive than the shared web hosting.

While searching for the hosting service, user should do as much research as possible so as to choose the best plan. There are numerous numbers of sites that are offering quality information about web hosting that will help one in clearing all his/her doubts and enable him/her to make the best decision.

There are several hosting plans, which seem to offer the world on a string for a quarter. That looks very nice in the beginning however thereafter the server gets terribly down due to hundreds of busy accounts on one server.

In the market there are several hosts that suites the requirement of the user. In the competitive market every thing is available if one wants resources then there are plenty available like bandwidth and storage space as per his/her requirement, if user needs features like PHP and/or ASP that is also available and same is for required price and level of support. So best of luck!!

The Truth About Hosting Virtual Servers on VMware vs Virtuozzo

July 28, 2010 by admin  
Filed under Unix Server

The difference between VMware and Virtuozzo Containers is more than just the name. Only hosting companies using VMware can offer complete flexibility, security and capacity, as well as options for high availability, load balancing and disaster recovery.

Operating System Flexibility

A basic difference between VMware and Virtuozzo is that VMware creates individual virtual servers directly on the hardware, at a bare metal level, while Virtuozzo’s containers run at the operating system (OS) level.

All container environments running on the same physical hardware must share the same host operating system. This means that while each environment can run its own client OS, the one you can run on your virtual environment will be limited to those that are compatible with the host. Virtuozzo is limited to Linux or Windows at both the host and client level, and can only run a client OS on a physical server that uses the same host OS; in other words, a Linux client on a Linux host, and a Windows client on a Windows host. Of course, limiting the operating system also limits your choice of software to that available for Linux and Windows.

Running at the hardware level, VMware accomplishes virtualization by using a physical machine’s hardware resources to serve multiple virtual servers, each of which can run an independent operating system. In this way, VMware virtualization supports many diverse operating systems on any server system. This allows VMware to support a variety of Windows versions and many different flavors of Linux, including Ubuntu, SuSE, and Red Hat, as well as non-Windows and Linux operating systems such as Solaris and Netware.

With Virtuozzo, because your virtual environment must run the same OS as the host, you don’t have the option to manage and modify your own operating system. The need for uniformity extends to updates—all environments must run at the same patch level. That means that if your virtual environment’s software has not been optimized for the latest Windows or Linux update, and your hosting company installs it (on the host system and across all virtual environments), your software may function poorly, or not at all.

With VMware, you can manage and modify your own operating system, as well as run different patch levels than the host system. This offers your company installation and update control on your virtual servers, and the freedom to use an extended range of software, software releases, and even multiple software flavors on the same OS, such as SQL Standard, Web and Express editions.

In Virtuozzo’s containers, when you need to reboot your virtual environment, such as during a test phase, you’ll have to wait for a scheduled system outage for the entire physical server, chaining you to your hosting company’s calendar. Using VMware, you can reboot your operating system when and as often as your situation requires.

Finally, a hardware-based virtual server like VMware offers something an OS-based virtual environment does not and cannot offer—virtual memory. Virtual memory, called swap in Unix or page file in Windows, allows your applications to use an assigned piece of disk space as working memory when necessary to avoid crashing. Because all container environments share an operating system core, containers don’t have independent access to swap. Using VMware, your hosting provider can give you swap space or a paging file as large as that available on a physical server.

Security

Virtual environments that all run the same operating system are more vulnerable to both security breaches and simultaneous code faults. If the virtual servers on a hosting physical server are all running one operating system, and any of the operating systems are hacked, then they all are; if the host operating system experiences a failure due to a bug in the software, then they all do. This is not the kind of virtual server environment you can depend on to failover gracefully or recover quickly.

In a Virtuozzo environment, security is complicated by the need for OS patches to be certified by the company. That means that when a critical operating system patch is released, the patch must go through another layer of complexity and time before it is applied—time in which your virtual server could be vulnerable. If your servers are hosted on VMware, you can apply patches as soon as they are released.

On-Demand Capacity

Because a VMware virtual server can operate on any physical server in the network, and because VMware supports live migration or vMotion, your whole virtual server can be moved as needed to another piece of hardware—with no downtime. This saves your company data and time, and it could save you customers and money. It also means that when your hosting company needs to take a physical server down for maintenance or replacement, you never need to know. Unlike in an OS virtual environment, live migration will allow your virtual server to continue running on the hosting company’s other servers. This is a feature that Virtuozzo still does not have.

High Availability, Load Balancing and Disaster Recovery Options

VMware virtual server lets your hosting company offer high availability, load balancing, and disaster recovery, unlike OS virtual environments. With VMware, your hosting company can offer load balancing, so your workload can run on the physical server that suits your needs during peak times.

With an OS-level environment, it might be impossible to move live data from one server to another. Even with compatible operating systems, the server might require a reboot.

When You’re Looking for Virtual Server Hosting, Think Infinitely Virtual

Virtual Server platforms aren’t all the same, and your hosting company needs to use the most flexible, secure and available virtualization technology. VMware, which runs virtual servers at the hardware level, is that technology.

Find out more about Virtual Servers, VMware, and options for load balancing and high availability at InfinitelyVirtual.com.

Virtual Private Server Hosting at Bns Hosting

May 21, 2010 by admin  
Filed under Web Hosting Basic

If you are looking for multi-tenancy, virtualization, resource management, and clustering, you can try virtual private server hosting. Virtual private server or commonly known as virtual dedicated server allows resellers to fully control and allocate resources to their customer. Virtual dedicated server hosting acts as a bridge between shared web hosting services and dedicated server hosting services. Using VPS hosting, you are providing high levels of control which has currently become the most popular option for resellers.

The biggest advantage of using VPS hosting, is its cheaper cost compared to dedicated server. And, it generally runs its own copy of operating system with customers having super-user-level access. You as the “owner” of the VPS can install almost any software that runs on the OS. Reasons you might consider when choosing VPS are:

The media. When you have just started your business, you have your shared server hosting. But soon you have to expand and outgrow the features of your online business, that will need more web space, memory, etc. You have the option to choose between dedicated server and VPS. Dedicated hosting is expensive, so you will choose VPS.

More power. In VPS, you are actually availing the services of a dedicated server that has been partitioned into a number of servers. Here, you get more bandwidth, memory, space and more control.

Cost efficient. Since VPS gives you the advantages of a dedicated server hosting, but at a lower cost, this hosting service is the best hosting plan if you are considering the cost.

Complete root access: Just like a dedicated server, the virtual private server gives you unlimited root access. This means that you have the complete freedom to configure your website without impacting other websites. By the same coin, any changes made by websites sharing your server will have no impact on your website. Because of this, you can eliminate the risk of downtime due to mistakes committed by others. Since private servers are virtually invisible to each other, your website enjoys complete functional isolation.

Total security: Just like dedicated servers, virtual servers do not share their space with other customers. Thus, you enjoy total security.

While deciding on whom/where to purchase the VPS hosting service, you should try to ask the following questions:

1. What are the specifications of the host server, the RAM, the CPU, the processor, the disk space provided, the bandwidth, and if they can provide you on how many VPS is already running in the host server.?

2. How is resource contention handled? What if one of the VPS are running out of disk space, how do you deal with these?

If you are considering hosting your own website, sharing a virtual private server is a very viable option. You will want to make sure that you are fully aware of any server side restrictions, such as maximum amount of CPU and network resources available, but many virtual private server hosts provide more than enough for nearly any website. The factors that you can consider when choosing the virtual private server hosting are, the cost, the security, and the efficiency. The only disadvantage here is, if you are not aware on how to manage your own server, you might want to choose the shared hosting service. Anyway, if the hosting company that will host your virtual private server has 24/7 technical support, you can ask them anytime, on how you must handle the server.

With BNS VPS hosting service, you control your virtualized dedicated server via Microsoft’s RDP (Remote Desktop Protocol) and install applications on your server. You create your own user authentication database and use your dedicated IP address. This dedicated IP address isolates your server from common problems associated with shared hosting —shared  IP address being listed in spam blacklists. For more information about virtual private server hosting service, you can visit BNS Hosting’s site. And talk to one of our hosted solutions expert 24/7.

Dedicated Virtual Server Hosting And Reliable Managed Web Site Hosting

May 7, 2010 by admin  
Filed under Unix Server

A dedicated virtual server hosting package can actually simplify your business processes by maximizing performance. A virtual hosted server allows for multiple applications and operating systems to run independently on a single server, thus allowing administrators the ease and freedom to actively prioritize business needs by moving workloads from one virtual workspace to another, all the while maximizing server resources. From big businesses to small businesses, more are turning to virtual server hosting plans in order to benefit from fully managed web site hosting, at lower costs

Opus Interactive’s virtual dedicated server (VDS) is the perfect bridge between shared hosting platform and dedicated managed servers. The VDS is fully managed, gives you protection and independence from other customers and is less costly than a fully managed dedicated server with the same benefits. VDS is built with some of the best hosting technologies available in the industry, including VMware, HP Blade Servers, and LeftHand Networks clustered storage.

With the use of virtual server hosting, each server can run its own operating system while also being rebooted independently. The physical server boots normally then runs a program that boots a virtual environment for the virtual servers to boot in. Opus Interactive offers Windows virtual server hosting, Linux virtual server hosting, and virtual Unix server hosting.

Virtual server hosting technology changes everything in a positive manner by simplifying and streamlining. The flexibility of a virtual hosted server allows for both applications and servers to be consolidated, thus lending a hand to IT management requirements and challenges.

Whether your need is for Windows virtual server hosting, Linux virtual server hosting, or a virtual Unix server hosting package, these virtual server hosting solutions help to not only reduce expense, but allow you to focus on your innovative goals and move ahead with your business, without worrying about maintenance and inefficiency.

Manage your content safely and securely in our state-of-the-art data center, on the latest HP Blade servers. We’ll provide you with the space, security, power, cooling, and connectivity you need, while our certified engineers provide the ongoing management and maintenance required to keep your site up and running.

Contact us today for your virtualization needs.

The website opusinteractive.com provides complete information about the company.

Virtual vs. Dedicated vs. CoLo: Which Web Hosting Do I Need?

December 10, 2009 by admin  
Filed under Web Hosting Basic

You know you need a web host, but you don’t know where to start. So you do a web search to research potential solutions and get a bit overwhelmed with all the jargon: UNIX, dedicated servers, POP3, CoLo… the list goes on.

Step back a bit. You don’t need to learn everything about web sites to choose a host. You do however need to know what a web host is, and the basic types of web hosting. This knowledge will lead you to know what type of hosting you need, and ultimately you can make a sound decision.

To begin, let’s define the term. Web hosting is a service that hosts web pages on servers that can be accessed through the Internet. There are three primary categories of web hosting providers that cater to the requirements of site owners; these include virtual web hosting, dedicated web hosting, and co-located hosting. There are various sources online that offer detailed information and reviews on these services, but there are several details you should pay most attention to. The points to consider before selecting a web hosting provider include the number of clients they service, years in business, customer service reputation, hardware specifications, and backup routines. With that out of the way, let’s jump in and explore the basic types of web hosting.

Dedicated hosting

A dedicated web server is basically like the name sounds: it’s dedicated to your site only. Typically it is leased to a site owner. The hosting company is responsible for the maintenance, backing up, security, and power management. The site owner manages the software-related issues.

Dedicated hosting is useful for websites that need extra bandwidth and system resources because of the use of technologies such as e-commerce software, customized server applications, and heavy traffic. Such websites are often better served by a dedicated hosting provider rather than developing and running an in-house solution. Dedicated hosting is possible with Windows, Mac, and Linux servers. A dedicated server can cost upward of $100 / month.

Pros and cons: 24/7 tech support is available. Speed, dependability, and customizability of website are often enhanced. The response time of dedicated servers is fast as compared to shared servers where the activity of other sites affects server speeds. Reliability and customizability of websites are improved as dedicated hosting offers greater storage capacity and greater freedom in terms of hardware configurations and software installations; hard drives can be upgraded and bandwidths increased with growth.

Shared servers and CoLo hosting are cheaper alternatives to dedicated hosting. Moreover, as the server is not owned by the site owner, security of sensitive data can be an issue.

Virtual hosting

Virtual hosting, also called shared hosting, is a popular and cost-effective web hosting solution. The hosting provider leases the website hosting server, services, and bandwidth to more than one website. Small and medium-sized websites, which do not have high traffic and have limited bandwidth requirements, benefit from virtual hosting. A virtual hosting offer by a service provider usually includes features such as Internet connection, domain name registration, file storage, email account, and may also include website design assistance. The cost of virtual hosting is in the range of $5-40 per month. It can be more or less depending upon the package selected.

Pros and cons: Virtual hosting enables the establishment of an online presence with no expensive equipment purchases required on part of the site owners and therefore is the perfect solution for SMBs.

One of the limitations of virtual hosting is that sites compete for the provider’s service; this may result in slow server response times in periods of heavy traffic and make browsing inconvenient. Since websites hosted on a server may be grouped under a single IP address, there is a chance that a site owner may have to share an IP address with adult or scam sites. This can lead to debarring from search engine placements which will have an adverse effect on the traffic. As the software components are shared between websites, a site owner may not be able to personalize the website as per his business objectives and target audience.

While purchasing virtual hosting services, it is useful to have an idea of the total anticipated traffic during the day as well as the visits during the peak period. This helps in obtaining a package with sufficient bandwidth for immediate and near term needs. Also, the cost of an upgrade and changes to the package should be understood.

Co-location (Co-lo) hosting

In Co-location hosting, the server is owned by the site owner and it is leased at the co-lo facility, where it is installed along with other servers in the facility. A co-lo service enables site owners to make maximum use of network access points and the freedom to choose between telecom lines provided by the hosting company and other telecom lines. Co-location hosting enables site owners to utilize high bandwidth at a cost that is not significantly higher than that of a normal web hosting package. The site owner maintains the server while the hosting provider ensures smooth running by providing regular power supply and IT support.

Co-location hosting services can be standalone data centers or companies that operate by leasing server space from a co-location web hosting reseller. The cost of the server and the volume of rack space required by the servers of a site owner influence the cost of co-lo hosting. Servers that fit in with the dimensions of the racks can help to save costs; co-locating tower servers usually cost more. Additional services provided by the hosting provider and insurance are other factors that affect cost. The monthly cost of a co-lo service for a half-rack of server space can be up to $1000.

Pros and cons: The benefits of co-location hosting include temperature and humidity controlled environment for the servers; security from hacking, fire, and theft; provision of redundancy and backup. It enables the site owner to control the critical features of web hosting such as bandwidth allocation, routers, VPN, server space, and VLAN.

Site owners may not find it easy to locate a co-lo service that is situated close enough to facilitate easy and safe transfer of servers and at the same time provide the best connection speeds. Co-lo hosting is of greater advantage to those who have hosting experience and consequently are better placed to recover the costs involved.

Ultimately, it is the requirements of the site that dictate the choice of web hosting solution. Online stores and sites with heavy traffic are better off with dedicated hosting, personal blogs and small sites without ecommerce activity that do not have high bandwidth consumption can function with virtual hosting, and websites that require a high degree of customization and deal with sensitive data benefit from a co-lo hosting arrangement.

To determine what type of host you need, ask yourself what type of site you have, and it should all flow naturally from there.

John Hasson writes for FindAWebHost. See http://www.findawebhost.org/ for more information.

ServInt announces largest-ever upgrade of its virtual private server hosting packages.: An article from: Green Data Centers & Internet Business

November 17, 2009 by admin  
Filed under Shared Web Hosting

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ServInt announces largest-ever upgrade of its virtual private server hosting packages.: An article from: Green Data Centers & Internet Business