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Virtual private server - Wikipedia, the free encyclopedia A virtual private server (also referred to as virtual dedicated server or virtual server, and abbreviated VPS or VDS) is a server run through virtualization in tandem with other virtualized servers on one physical computer. Virtual private servers bridge the gap between shared web hosting services and dedicated hosting services, giving independence from other customers of the VPS service in software terms but at less cost than a physical dedicated server. Virtual private servers are also sometimes employed as honeypots, allowing a machine to deliberately run software with known security flaws without endangering the rest of the server. en.wikipedia.org /wiki/Virtual_server   (377 words)

Virtual Server Technology: Consolidate Your Disaster Recovery Replica Servers - XOsoft Virtualization solutions like Microsoft's Virtual Server 2005 and EMC's VMWare introduce an abstraction layer that insulate the BIOS, operating systems and applications on Intel architectures from the physical hardware so that multiple virtual machines, with heterogeneous operating systems, can all run simultaneously on the same physical machine. It is also possible to run multiple cluster nodes as virtual servers on a single physical one, but this would eliminate most of the value of running a cluster on the DR site at all. With powerful servers at the DR site, it is reasonable to run 4-5 applications per server, particularly since each of the servers is running one passive node of a cluster during normal operation. www.xosoft.com /solutions/f_wansync-virtual_servers.shtml   (1076 words)

[No title] Virtual machines are isolated from the host operating system by running atop a virtualization layer that emulates industry-standard hardware. As mentioned earlier, one of the most important capabilities of Virtual Server is that it allows a developer or tester to deploy and test applications quickly in a variety of operating systems and configurations. An existing virtual hard disk is a file on the host system that has been preconfigured within Virtual Server or Virtual PC and which can also be attached to and used in a new system. msdn.microsoft.com /msdnmag/issues/04/08/VirtualServer2005/default.aspx   (3361 words)

Virtual Hosting Configuration Virtual hosting is a popular concept because it allows multiple domain names to be hosted on the same httpd Server. Virtual Hosting, under the HTTP/1.0 specification, is based on IP addresses, where the Server requests are sorted based on the IP address and appropriate content is served from a corresponding subdirectory of the Web Server. Therefore, it is possible for a virtually subhosted client, which has been granted CGI privileges, to read or remove any file in your directory heirarchy.Moreover, it is possible for a malicious subhosted client to crack weak passwords and gain shell access to your Virtual Server. servers.digitaldaze.com /extensions/virtualhost/configure.html   (1104 words)

eApps - Virtual Private Server Hosting Virtual Hosting refers to an environment where multiple domains/sites are hosted on the same server. Virtual Private Server (VPS) -- Under this model, software innovation has been used to create a vitual server that performs as if it were a full server dedicated to the exclusive use of each account. The behind the scenes sophistication of virtualization results in a superior hosting solution that is simple to use while eliminating the disadvantages of the Shared approach. www.eapps.com /ManagedHosting/VirtualPrivateServer.jsp   (1113 words)

Virtual Iron Software: Solutions: Server Consolidation The Virtual Iron platform allows a physical server of any size (from a single CPU to a 32-way multi-processor) to be partitioned into multiple virtual servers that work identically to a physical server. Each virtual server can expand as demand dictates by allocating capacity that is available on the physical server. A virtual computing platform that supports multiple virtual servers, up to 32 running concurrently, and multiple workloads per physical server; and adapts in real-time by delivering capacity based on the resource demands of the applications. www.virtualiron.com /solutions/server_consolidation.cfm   (314 words)

VMware Server delivers server consolidation and server virtualization: VMware - VMware   (Site not responding. Last check: 2007-10-10) VMware Server installs on any existing server hardware and partitions a physical server into multiple virtual machines by abstracting processor, memory, storage and networking resources, giving you greater hardware utilization and flexibility. Partition a physical server into multiple virtual servers and see the variety of resource management and security features of VMware Server. VMware Server is an ideal starting point for users to experience the benefits of virtualization with the knowledge that your investment will be protected and easily migrated to VMware Infrastructure. www.vmware.com /products/server   (496 words)

LVS Introduction - Load Balancing Server Cluster Virtual server is a highly scalable and highly available server built on a cluster of real servers. The architecture of server cluster is fully transparent to end users, and the users interact with the cluster system as if it were only a single high-performance virtual server. The load balancers can dispatch requests to the different servers and make parallel services of the cluster to appear as a virtual service on a single IP address, and request dispatching can use IP load balancing technolgies or application-level load balancing technologies. www.linuxvirtualserver.org /whatis.html   (187 words)

Virtual PC Guy's WebLog When booting a virtual machine would check the version information on the virtual hard disk, if the virtual hard disk was created with an earlier version of Virtual PC we would change the identifier on the motherboard chipset to the 430TX identifier (even though we were still emulating the 440BX chipset). The reason for this is that Virtual PC installs a shell extension to enable drag and drop support, and this is not initialized until Explorer is restarted. You see, the virtual machine will be rebooted after any Bios changes are made (this is standard behavior for computers) and when the virtual machine reboots its system time and date will be automatically reset to match those of the host operating system. blogs.msdn.com /virtual_pc_guy   (2087 words)

The Soul of a Virtual Machine This white paper explains the differences between Virtual PC and Virtual Server and discusses the scenarios in which it is appropriate to use one or the other. Virtual Server is being used in a variety of ways at Microsoft, including for test and development and online training, such as Microsoft Learning. The developer connects the virtual machine to a debugger though a named pipe (a virtual serial port) and debugs the issue in the development environment. blogs.technet.com /megand/default.aspx   (2927 words)

Virtual Server The front-end of the real servers is a load balancer, which schedules requests to the different servers and make parallel services of the cluster to appear as a virtual service on a single IP address. This type of Virtual Server can be used to build highly scalable and high available network services, such as a scalable web, mail or media service. The other approach is the virtual machine approach which enables users to run multiple operating systems concurrently on a single physical server, providing for much more effective utilization of the underlying hardware. www.networkdictionary.com /software/vs.php   (273 words)

Virtual Server 2005 Fills Gap In Microsoft Line - News by InformationWeek Virtual Server 2005, originally due last year, will be available in two packages, a $499 standard edition that runs on Windows Server 2003-based servers with up to four processors, and a $999 enterprise edition that scales to 32 CPUs. Virtual Server 2005 can also help boost server utilization rates by increasing the number of applications on each server. Virtual Server 2005 is limited in that it can only be used on Windows Server 2003 servers. informationweek.com /story/showArticle.jhtml?articleID=47101834   (566 words)

ITworld.com - Microsoft's Virtual Server 2005 nears release Virtual Server is a server-based application that allows users to run different operating systems on a single hardware server. With Virtual Server, users will be able to run NT 4.0 on Windows Server 2003 and continue using applications developed for that older operating system. Virtual Server 2005, then named Virtual Server 2004, was originally planned for release at the end of 2003. www.itworld.com /Comp/2124/040615msvirtual   (467 words)

Virtual Server Agreement We will provide connection of the Virtual Server to the Internet, including all telecommunications equipment and connections for the Virtual Server to provide public access on a 24-hour-a-day, 7-day-a-week basis, with the exception of scheduled maintenance downtime. Any Virtual Server that is used for Illegal, Abusive or Unethical Activity may be immediately deactivated by us without warning to you. Virtual Servers which use, in our discretion, CPU processing capacity on the Physical Server in excess of the designed processing capacity will be subject to immediate deactivation. www.gsp.com /servers/agreement.html   (1733 words)

VMware: The Virtual Desktop, The Virtual Server Because it is a virtual machine, a particular VM is sharing hardware resources with its host operating system, with other VMware VMs, and with the VMware application itself, which is doing some pretty serious resource mapping behind the scenes. Given the increased size, cost and complexity of server hardware, being able to perform testing on a virtual server is a real boon to developers. However, a bigger value of a virtual server is in actual deployment, where it can enable server consolidation, simplify provisioning, and ease maintenance and administration.. www.devx.com /amd/Article/22036   (1881 words)

Zettai.net :: Virtual Server Howto   (Site not responding. Last check: 2007-10-10) This howto describes what a virtual server is, how you can use it, how you can use the many pre-installed applications it comes with and how you can extend it to further meet your needs. A Virtual Server is a semi-real server environment within a real, physical server that comes with all the tools you are used to having, a generous amount of server resources, root access and total control - all at a fraction of the price of a real server. Your Virtual Server has a limited amount of RAM available to it and you need to be conscious of how much you are using at any time because we do not put a hard limit on it. www.zettai.net /Support/Howto/VirtualServerHowto   (1865 words)

Microsoft Virtual Server - Wikipedia, the free encyclopedia Microsoft Virtual Server is a virtualization solution that facilitates the creation of virtual machines on the Windows XP and Windows Server 2003 operating systems. Virtual Machines are created and managed through a web-based interface. On April 3, 2006, Microsoft made Virtual Server Enterprise Edition a free download[1], in order to better compete with the free virtualization offerings from VMware and Xen. en.wikipedia.org /wiki/Microsoft_Virtual_Server   (261 words)

Virtual Iron Software: Products & Technology: Product Trial Downloads The software provides advanced server virtualization and management capabilities that take advantage of industry standards and open source economics to enable companies to dramatically reduce the cost and complexity of enterprise service delivery. Virtual Iron Virtualization Services are deployed automatically on bare-metal, industry-standard servers without requiring software installation or management. Virtual Iron Professional Edition supports partitioning and basic management of a single Virtualized Node (Maximum 2 sockets) and is available at no charge. www.virtualiron.com /products/Downloads.cfm   (511 words)

The Linux Virtual Server Project - Linux Server Cluster for Load Balancing The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system. The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server. The Linux Virtual Server as an advanced load balancing solution can be used to build highly scalable and highly available network services, such as scalable web, cache, mail, ftp, media and VoIP services. www.linuxvirtualserver.org   (478 words)

Microsoft Virtual Server Manager Augurs Partner Opportunities - Network & Systems Management - Network Computing   (Site not responding. Last check: 2007-10-10) The server, code-named Carmine, will provide a single graphical interface into host and guest operating systems and allow users to add, move, drag and drop, patch and manage virtual machines on Virtual Server without “too much downtime,” said one source familiar with the project. With the cost per virtual machine (VM) being as low as it is, we often see VM sprawl once a VM solution is implemented,” Oglesby said. Carmine will offer “virtual server across host management” and will include, for example, the ability to set up 10 hosts, view the CPU load on each while also tracking the location of guest virtual machines, he added. www.networkcomputing.com /showitem.jhtml?articleID=186500811   (714 words)

Virtualmin Virtual Servers Module   (Site not responding. Last check: 2007-10-10) Because these two mail servers have a few differences in the way they are usually configured to provide virtual domain mailboxes, it is useful for Webmin to know which mail server you are using. Thus, if the basic service level of a virtual host includes 5 mailboxes, then the server quota should probably be five times the quota for the individual users so that all of them can use their full quota. When a new virtual server domain is created, Virtualmin can be configured to copy the files within a directory into the newly created home directory of the virtual server. www.swelltech.com /support/virtual-servers/index.html   (3269 words)

What is virtual server? - A Word Definition From the Webopedia Computer Dictionary In this context, the virtual part simply means that it is not a dedicated server -- that is, the entire computer is not dedicated to running the server software. Virtual Web servers are a very popular way of providing low-cost web hosting services. However, if too many virtual servers reside on the same computer, or if one virtual server starts hogging resources, Web pages will be delivered more slowly. www.webopedia.com /TERM/v/virtual_server.html   (398 words)

Microsoft grooms Virtual Server to be a true VMware challenger | InfoWorld | Column | 2005-12-08 | By Oliver Rist   (Site not responding. Last check: 2007-10-10) But for developers and sys admins testing against specific OS images and doing similar business-oriented tasks, Virtual Server 2005 is the only thing out of Redmond that might make us stray from VMware. PXE boot is a big step forward, and Redmond has also released a Virtual Server Management Pack for MOM (Microsoft Operations Manager) that allows management of host and virtual machines from the same interface. For developers who were trying to use Virtual Server to test hundreds or even thousands of OS images, this was a nightmare because each OS image required a license, regardless of whether or not it was running. www.infoworld.com /article/05/12/08/50OPenterwin_1.html   (1574 words)

Digital Daze® Virtual Server Extensions As a Virtual Server Administrator, you have access to a large array of programs that extend the capability and functionality of your Server. Miva is a server based program that preprocesses its own markup language and outputs standard HTML output which is read by the browser. Because the Virtual Server System operates autonomously in its own environment (just like a dedicated server), configuring your Virtual Server to stream RealAudio and RealVideo is a simple matter. servers.digitaldaze.com /extensions   (1426 words)

Dedicated Servers, Colocation, and Virtual Private Servers by Velocity Server Dedicated Servers, Colocation, and Virtual Private Servers are the primary focus of Velocity Server. Virtual Private Servers are the most advanced step in server virtualization technology. They are used to partition a single physical server into many (as many as 1000) isolated environments. www.velocityserver.com   (179 words)

GSP Virtual Server A This Virtual Server also allows you to create unlimited e-mail aliases with your own domain name for forwarding to POP e-mail accounts. All virtual servers come with a 30-Day Money Back Guarantee and the first month of service is prorated. Ordering a Basic Virtual Server System (Server A) to establish a powerful Internet presence for your company is extremely easy. www.gsp.com /servers/a   (153 words)

Virtual Server Real Time uses Xen virtualization system -- which is a proven and state of the art in virtual hosting. With Xen, allocated server resources such as CPU and RAM are designated to you instead of shared with other Virtual Servers. A Virtual Server gives you access to a functionally equivalent and dedicated server without having to purchase a stand-alone server. www.real-time.com /linuxsolutions/virtualserver.html   (411 words)

IBM Virtualization Tape Systems: Overview - IBM TotalStorage - Mass storage and enterprise backup   (Site not responding. Last check: 2007-10-10) The IBM Virtualization Engine™ TS7700 (TS7700 Virtualization Engine) is a mainframe virtual-tape solution that is designed to optimize tape processing. The IBM TotalStorage Virtual Tape Server Model B10 (B10 VTS) creates virtual tape drives and volumes on a RAID-5 disk to help eliminate many of the physical delays associated with tape I/O and improve the performance of tape processes. The IBM TotalStorage® Virtual Tape Server Model B20 (B20 VTS) is an enterprise tape solution designed to enhance performance and provide the capacity needed for today’s backup requirements. www.ibm.com /servers/storage/tape/3494vts/index.html   (343 words)

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