A virtual machine (VM) is a completely isolated guest operating system installation within a normal host operating system. It is a software implementation of a machine (i.e. a computer) that executes programs like a physical machine.

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how to access virtual machine behind NAT from public network

I have a 1&1 hosting dedicated server (linux centos 5.x with plesk) (IP 74.208.98.x) and configured a nagiosxi virtual machine to run in NAT mode under VMware player 4.0. because i unable to use ...
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3answers
609 views

Network problems running multiple Virtual Box VM

Is it possible to run multiple Virtual Box VMs on a desktop computer? I am running windows 7 as the host OS and have 3 Virtual Box VMs running Ubuntu Server OS. Each VM works fine on its own when ...
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1answer
102 views

Red Hat dynamic partitioning of hardware resources

I'd like to understand how easy it is to dynamically reconfigure Virtual Machines on a RHEL server. Ideally I would like to be able to have the flexibility of IBM's PowerVM. Dynamically ...
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1answer
163 views

DIY: automate cloning of Xen VMs, gold templete?

looking for DIY way without commercial tools like XenServer LabManager product.
2
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1answer
315 views

Separating MySQL Server from Web Server

Hello ServerFault Community, I'm usually a StackOverflow lurker/contributor, however I've been playing with a server cloud service recently and would appreciate your thoughts. I build web ...
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1answer
178 views

Which simple server virtualization solution to use? [closed]

For one part of our hosting platform we are currently using VMware Server 2 to create two virtual machines on one physical machine. One VM is used for hosting of small websites, the other VM is used ...
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2answers
377 views

Ubuntu — Running 32 bit software on 64 bit server

I'm planning to host a web application on a 64-bit Dell server with 32 GB RAM. I'm planning to put Ubuntu 10.04 LTS there. The problem is, our web app uses a simulator, which could be compiled and run ...
7
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1answer
3k views

How to prevent IP spoofing using MAC and ebtables?

I am trying to create IP-MAC pairing rules in ebtables. There are few tutorials and related questions [1] available but I have kind of specific setting. ENVIRONMENT: I have many physical hosts. Each ...
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2answers
1k views

Using a virtual machine as a router in vSphere ESXi or XenServer

I have a server with adequate amount of memory and also I have a single static IP. I want to install XenServer or ESXi on my server and create bunch of virtual machines. In order to use all these ...
2
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0answers
802 views

“Error: Unknown error” when trying to start virtual machine from VMware server

Problem We are running VMware Server 2.0.0 build-116503 on a Ubuntu 10.04 LTS server. There is a virtual machine installed, running Lotus Domino on Windows Server 2003. Ever since a sudden power ...
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3answers
528 views

How to block outgoing traffic (HTTP) from VMs?

I am playing with vmware ESXi v5 and installed a Win XP 32bit as one of the VMs inside. I wish to block outgoing access (especially http) from the VM (maybe some form of firewall?), yet still allow: ...
3
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2answers
1k views

How do UEFI and virtual machines relate to each other?

I am trying to get my head around UEFI (Unified Extensible Firmware Interface) and it's not entirely clear to me how this affects virtual machines. Thus, there are three parts to this question: Is ...
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2answers
10k views

What is the largest VMware ESXi 5 guest vm disk size (and how to set it up)?

Is it possible to set up a guest virtual machine with larger than a 2TB drive? For example, from what I read, the largest VMFS size is 2TB. If I have 3 TB VMFS set up on the host ESXi server, how ...
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2answers
140 views

How to garantee the state of a VM? Make sure Software doesn't change

I want to make sure that I can stop a machine, on Hyper-v with windows VMs, and then I can start it, being sure that nothing changed inside the VHD. Is this possible? Can I make like an MD5 of ...
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5answers
751 views

How to keep track of vm hosts and guests and IP addresses?

Internally, we have several VM hosts. We are constantly provisioning new guests on these hosts. What tool to you guys use to keep track of what hosts hosts you have out there, the host system stats, ...
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2answers
2k views

Server 2008 DC rejecting replication requests

Have a DC that has recently been part of a business continuity test. From what I understand the server (which is virtual) was snapshotted, test carried out while the link between the two sites was ...
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6answers
4k views

Simplest way to backup hyper-v machines while they are running?

I'm only getting started with virtualisation. I have a server running Windows Server 2008 R2 Standard and Hyper-V Manager. This server is the host of several virual machines (also Windows Server 2008 ...
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2answers
52 views

Amazon Web Hosting

Can someone please shed some light on whether AWS have the capabilities to offer a Virtual Machine set up, that is, having the basic Windows 2008 there while I take care of the rest, i.e. installing ...
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2answers
86 views

automatic restarting of servers

We have 5 physical servers currently in operation. Two of them are virtualised and other 3 terminal servers are normal servers running 2003 servers and XP. After a power failure, virtualised servers( ...
2
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2answers
10k views

Where does Xenserver store local VMs

My xenserver crashed a few months ago, I haven't been able to retrieve the VMs that were on it. There was nothing special about the installation, I think it was all standard. Is there a way to ...
3
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1answer
393 views

Getting CPU steal times on Ubuntu 11.4 Virtual Box

I'm trying to check on CPU steal times in a virtual machine. The goal is for me to be able to detect if my app is running in a VM on over-committed hardware. I'm currently just testing, in ...
0
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1answer
489 views

Setup VirtualBox to see Oracle on a Local guest

I have a Ubuntu machine and I have a Linux instance running in a Virtual-box on this machine. I need to connect to the oracle instance (through the oracle extension in php) . The extension is running. ...
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5answers
5k views

Newbie to ESXi, Can I run my VM on a laptop with ESXi and get to VM desktops?

Looking for a solution to use a hypervisor that allows access to the VMs that are running on itself. Basically, I would like to setup a laptop that can run 10 to 15 VMs that are already built, but to ...
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3answers
822 views

Transfer a Linux server to virtual machine

I have an OpenSuse server that runs some services (including Apache web server, mailing list, etc.). Now I need to move all these service to a virtual machine (Virtualbox could run on the same ...
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1answer
37 views

New portspace for different domains on the same IP

I've purchased a RootServer with one static IP included and the possibility to register up to four. For some extra cash of course. I'm running two different services on this root server with two ...
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3answers
3k views

Entropy on virtual machines

As you might know that it's not as easy to generate entropy on a virtual machine as on a "normal" pc. Generating a gpg-key on a virtual machine can take a while, even with the correct tools. There ...
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2answers
2k views

Can you operate a lmgrd license server on a linux VM?

We are running the lmgrd license server on a bare metal linux system. From my understanding, a Linux-based lmgrd uses the MAC address of the primary ethernet board as the parameter from which the ...
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1answer
370 views

MS Virtual Server 2005R2 - VM won't start

Something apparently happened to one of our VMs, and our admin is no longer available. I can log into the host server, and access the web-based management interface, but when I try to restart the VM ...
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2answers
10k views

Xen server VM's don't see network?

We trying a Xen server, and have a very strange issue, one that never happened to us on open-source Xen. The VM's created on Xen do not see the network outside the host. They do can ping each other ...
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2answers
392 views

Duplicating an ESXi host to another ESXi host as a backup solution

I have an ESXi host with the following virtual machines: 1 x Active Directory Server 1 x Remote Desktop Services Server 1 x SQL Database Server 1 x Accounting Software Application Server I have a ...
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1answer
124 views

Attaching VHD at Boot Time

i have windows XP vmware machine , i converted it to VHD using "VmdkConvert" . Now , I want to boot from VHD , using "Dual Boot". Note : I use WIN 7 OS.
18
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5answers
1k views

Is there a way to have a virtual machine only have one core yet use three cores on the host machine? [duplicate]

Possible Duplicate: Can a single Virtual Core on a VM use more then 1 physical core? I'm a co-owner of a Minecraft server that is getting rather large each day, but as we get bigger we're ...
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1answer
132 views

Cloud computing platform advice? [closed]

I'm not new to Linux servers but I am new to virtualisation and cloud computing platforms. I'm looking for a system that I can deploy Linux instances (Debian web servers) across a range of hosts in ...
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1answer
61 views

Direct Storage with XenCenter

I am looking at this new Lenovo ThinkServer RD240 I got. Since we are using NAS for file storage, and most of our servers are more function/application oriented (not requiring lots of data) I am ...
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2answers
238 views

Routing to a Public IP (for VM WAN migration)

I'm planning to migrate a virtual machine from one data-center to another. The VM has a public IP address that will change on the new data-center to another public IP address. I'm planning to change ...
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2answers
1k views

List/Review of EC2 alternatives? [closed]

Are there any other web hosting providers that allow me to create and clone virtual machines like EC2 does? What I know: Azure is no alternative (no root access, .NET only, no binaries). Known ...
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4answers
876 views

How do I deploy multiple virtual machines at a time?

What I need to do is create a virtual machine template and deploy up to a hundred copies of it at a time. I don't care if this is done in Hyper-V/SCVMM, VMWare ESXi, Xen or VirtualBox, as I can work ...
5
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1answer
625 views

VMware disk usage and thin provisioning: numbers don't add up?

I'm trying to make sense of the (thin provisioned) disk space on VMware ESXi 4.1 (using vSphere Client). The numbers I see don't add up and don't make sense. Looking at the machine properties for an ...
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0answers
33 views

Can reaching shared storage capacity prevent a VM from starting up in XenServer?

I have a VM installed on XenServer; it's drive is on an NFS share, which has just reached capaciy--could this prevent the VM from starting up?
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1answer
64 views

Does Microsoft Virtual Machine Manager Support Storing VHDs on File Server Share?

I have a Hyper-V server running perfectly fine with the VHDs placed on a separate file server shared folder. Now when I install MS Virtual Machine Manager and add the host machine to VMM, it says ...
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2answers
2k views

In NAT mode VirtualBox DHCP only has one IP to assign?

When I set up two machines in VirtualBox via NAT mode each machine gets the same IP from the virtual DHCP server, why is that?? Makes no sense to me. Both have the Gateway 10.0.2.2 which is fine, but ...
1
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2answers
2k views

NFS Common Utilities fails to start

I created a virtual machine and installed Debian 6 on it, and then copied the hard drive to be used by another virtual machine. For the newly copied virtual machine, I changed the IP address, hostname ...
2
votes
1answer
353 views

how to access the localhost of a virtual machine

I'm using ubuntu server as a VM on my mac, its address is 10. 211. 55. 11 i just installed django server, and it started on the localhost of 127. 0. 0. 1: 8000 (this ubuntu is originally a rails ...
2
votes
2answers
343 views

Manage Hyper-V Server 2008 R2 from same machine

Is there a way to manage Windows Hyper-V Server 2008 R2 from within itself? E.g. not remotely. I'd like to be able to manage VMs as well as connect to and work with a a VM in full screen mode. This ...
1
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1answer
106 views

How to run a hypervisor-type-app in non-headless mode? [closed]

I'd like to figure out how to do the following: Run, as a root system\OS, something like Proxmox where a light-weight OS (Linux) is booted and a VM server resides within. (Proxmox claims that the ...
2
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1answer
827 views

Problems Pinging VM from Another VM

I have 2 virtual machines that can not ping/access one another. I am setting up a exchange server, and a domain controller as guest machines in virtualbox. All machines including the host are running ...
2
votes
1answer
5k views

VMWare Workstation 8 reporting “”vmx86 driver version invalid handle" problem on booting VM

I'm just doing a VMWare Workstation 8 installation. However, on trying to boot (or create) a VM, it's reporting "Could not get vmx86 driver version: The handle is invalid." It recommends ...
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3answers
1k views

How do I setup an Ubuntu Server for KVM Virtualization?

I' trying to setup an Ubuntu Server 10.04 LTS install to host a number of KVM virtual machines to do web development. I tried to install a VM with virt-installer from the CLI but I have to connect to ...
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1answer
3k views

Use Vmware VGA driver on Proxmox for KVM Windows Guests

I follow this tutorial (http://www.linux-kvm.com/content/using-vmware-vga-kvm-windows-guests) to use Vmware VGA with KVM Windows Guests. The vmware vga driver is installed on Windows, but I can't ...
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1answer
564 views

Can you specifically assign / bind a virtual network adapter to the server's physical network interface on VMware Workstation?

Hi I'm trying to install Centos and Snort on a virtual machine and is there anyway I can bind the promiscuous virtual network adapter to a specific physical network interface on the server? I'm using ...