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.

learn more… | top users | synonyms (3)

1
vote
2answers
1k views

Setting up Jira/GreenHopper on AWS/EC2

We're moving away from Redmine to set up JIRA/GreenHopper. Our dev team does not want to have a dedicated in house server for the job, nor do we want to run a VM on any of our dev machines. So the ...
1
vote
1answer
527 views

Can I move a LUN from one phsical server to VM client?

I have a 500GB LUN created over our QNAP, and it's connected/binded to one server 2K3. It is identified on that server as disk E (Dynamic) I want to remove it from Server A, and connect it to a ...
0
votes
1answer
189 views

Hide WinXP Mode host in Windows 7 [closed]

I have an IP cam that can access WinXP shares but not Win 7 shares. That's why I'm running the WinXP Mode VM. (I've tried a million tweaks to Win7's sharing settings, but the IP cam just won't ...
0
votes
4answers
304 views

How to confirm I'm on a VMWare powered VPS?

I chose a new VPS host partially based on their use of VMware. I have no reason to doubt that is the case, but would like to know if there is a way I can very the virtuilization platform from inside ...
1
vote
1answer
659 views

Ubuntu server error while setting up Virtual Server

On Ubuntu server 11.10 I am trying to install a virtual machine using virt-manager. I beleive that I have everything right, but when I go and run the command "virt-manager" I get the following error ...
0
votes
1answer
69 views

Which policy do you follow for maintain your VMs? [closed]

Which rules/policy or procedure do you use to maintain your list of VMs? For ex. Will you assign a VM and keep eyeing on whether it is being utilized or kept idle? (So that you can take it back to ...
0
votes
1answer
525 views

Strip down ubuntu server for performance on virtual machine

We use a ubuntu virtual machine for a local development setup which provides a consistent development environment for all developers and lets them use an OS/IDE of their choice for other work. The ...
0
votes
1answer
182 views

How to maintain the list of VM in case free ESXi?

In our company we do not have licensed ESXi. I am having 10 ESXi server and using Vsphere to connect each and every machine. Whenever i am giving machine to users i store few information in excel ...
0
votes
1answer
6k views

How to increase video memory in libvirt/KVM gui?

In the 'Virtual Hardware details', it lists the model as 'cirrus' with 9MB of RAM. The RAM field cannot be changed, but how to increate the video RAM? My host OS is RH6 and gust OS is Fedora16. EDIT: ...
2
votes
2answers
277 views

How to get VM's usage pattern?

We are having VMware ESXi servers. VMs will be assigned to user and they will use RDP to use it. We are unable to find whether the users are really using them or the VMs are idle. Is there any way to ...
0
votes
1answer
1k views

How to make Yum work on virtual centos 6 on ESXi behind proxy?

I have ESXi in my LAN. All traffic from LAN is passed through a proxy. After installing Centos (network card in bridge)(VM on ESXi) I modified yum.conf for using proxy proxy=http://myproxy:3128/ ...
0
votes
3answers
2k views

KVM bridging for virtual machines not working?

I'm currently setting up a KVM with several VM guests. I created the first one but I ran into the first problem already: root@vm1:~# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. From ...
4
votes
3answers
3k views

KVM: maximum number of cores and amount of memory for VMs

I have a new 8 core machine with 16GB of RAM. I want to run VMs on it using Ubuntu and KVM. Nothing else but SSH will be running on the host. My question is what is the maximum amount of cores and of ...
-1
votes
1answer
715 views

VirtualBox Networking with Turnkey LAMP (Networking not configured) [closed]

A few months ago i set up a LAMP-Server Appliance from Turnkey for VirtualBox. After installing some application based on this LAMP-Appliance, i exported an Appliance of these states. Now i wanted to ...
0
votes
2answers
1k views

How to free snapshot disk space in VMware?

Our guest machines in ESXi server has lot of snapshots. While I am deleting them, they are merging. So I am in doubt whether deleting snapshot would help me gain disk space. Can any one clarify ...
1
vote
6answers
354 views

How to automate the building of a VM machine [closed]

How could I automate the building of a VM machine with required software? My idea is that I have a webpage which interfaces to a VM server (either ESX or Hyper-V), I choose what OS I want and what ...
0
votes
1answer
68 views

Hypervisor to have VMs for users logging in/out of the host machine?

I'm looking for a solution for the following workflow: Let's say I have 4 dedicated users on my CentOS box dedicated for QA purposes. This box has a hypervisor running 4 separate VMs concurrently, ...
-8
votes
1answer
119 views

Windows server virtual machine [closed]

What does it mean to install a virtual machine on window server? Thanks
0
votes
2answers
3k views

Hyper-V share a folder between host and instance

I have a hyper-v server and several VM's (Virtual Machines). All the VM's are connected to an external network. I have tried to share a folder on the host and connect via the VM, I can do this but ...
0
votes
1answer
563 views

installation error in kvm

after installimg kvm ,i can't load guest guest operating system it shows the following error Unable to complete install: 'internal error Process exited while reading console log output: chardev: ...
0
votes
1answer
269 views

How to calculate CPU utilization of a host that VM can take before deployment based on the VM template information?

I am trying to figure out based on the VM template information like NAME = vm-example CPU = 2 MEMORY = 1024 DISK = [ type = swap, size = 2048, readonly = "no" ] How can I calculate ...
2
votes
1answer
614 views

Giving Virtual Machines in Xen their own IP Addresses

Installed Xen on a server at home, recently moved it to a data center. Worked fine with DHCP behind my router, with each virtual server and the dom0 getting its own IP address. At the data center, ...
6
votes
2answers
7k views

Number of logical processors per VM?

I have a server (quad core) running Windows Hyper-V Server 2008 R2 with two Windows Server 208 R2 Standard guest virtual machines. I've noticed the number of logical processors setting (under the ...
0
votes
3answers
226 views

Find ip address of VM or Container using a bridge

I have a virtual machine/LXC container that is using a bridge (on br0) to access the network. On the system that is hosting the virtual machine and the bridge, I would like to be able to tell what ...
1
vote
1answer
109 views

Server license - to purchase or not? [duplicate]

Possible Duplicate: Can you help me with my software licensing question? As an sys admins we need to provide our development team with both an integration and development environment. ...
1
vote
0answers
346 views

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 ...
0
votes
3answers
629 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 ...
1
vote
1answer
105 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 ...
0
votes
1answer
163 views

DIY: automate cloning of Xen VMs, gold templete?

looking for DIY way without commercial tools like XenServer LabManager product.
2
votes
1answer
339 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 ...
-1
votes
1answer
179 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 ...
1
vote
2answers
384 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
votes
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 ...
-1
votes
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 ...
3
votes
0answers
841 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 ...
1
vote
3answers
564 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
votes
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 ...
1
vote
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 ...
1
vote
2answers
145 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 ...
3
votes
5answers
819 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, ...
1
vote
2answers
3k 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 ...
2
votes
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 ...
0
votes
2answers
53 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 ...
0
votes
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( ...
4
votes
2answers
12k 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
votes
1answer
416 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
votes
1answer
517 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. ...
-3
votes
5answers
6k 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 ...
0
votes
3answers
879 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 ...
0
votes
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 ...