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Questions tagged [virtual-machines]

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.

2
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7answers
10k views

How to shrink the size of a virtual machine hard disk

I have a Virtual machine hard disk over 20GB in size. But there are only about 8-10GB of files inside. I need to shrink this vhd file to a more manageable (actual) file size. I've tried using the ...
1
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2answers
2k views

How to free up /var/lib/mysql (virtualbox vm)

I imported big dump into mysql and filled up my whole space (dumb me). Machine that's mysql server is virtualbox virtual machine. It's using automatically expanding virtual hard drive. I freed up few ...
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4answers
2k views

Configuring Remote Desktop in a Virtual Machine

I have a Virtual Machine running Windows XP. I added Remote Desktop exception in Windows Firewall. I'm trying to connect via Remote Desktop using the ip address that I get running ipconfig in the VM. ...
1
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1answer
319 views

Clarify Xen Capabilities in Virtualization

Just wanted to clarify certain aspects of Xen virtualization. As I understood it, Xen was a paravirtualization platform, which usually required a modified Linux kernel in order to create virtual ...
8
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3answers
2k views

Backing up VirtualBox VMs

Does anyone have a good complete strategy for backing up a bunch of virtual machines running under VirtualBox? I intend to run a handful of virtual machines on a single hardware platform and back ...
2
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3answers
2k views

Migrate HyperV virtual images back to VirtualPC

Is it possible to migrate from existing HyperV virtual machines "back" to Virtual PC. And if so what is the procedure doing it?
1
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3answers
7k views

The name or security ID (SID) of the domain specified is inconsistent with the trust information for that domain

When logging into a new virtual machine which was recently added to a domain, I am getting the following error message: The system cannot log you on due to the following error: The name or security ...
0
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3answers
645 views

Poor-Man's Loopback on a Virtual Machine

I want to route the address 10.0.0.10 from my virtual machine back to my virtual machine through my physical router. How do I configure my virtual machine, host, and router to do so? The host is a 64-...
30
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12answers
73k views

Is it possible to setup a virtual machine inside another virtual machine

I have been playing with virtual machines latley, and wondered if I could run a virtual machine inside a virtual machine? Is it possible? Is it practical?
0
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2answers
605 views

LAMP server VM issues

After getting a recommendation to salvage a wiki by installing a LAMP server, I went on the prowl for a good virtualized one. I used the VMware Player version. Since the windows box has Bonjour, I can,...
0
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1answer
1k views

Migration of Virtual Machines using SCVMM error 1612

The situation is as follows: I have installed SCVMM on our Windows Server 2008. I can create VMs fine, use them, etc. Everything works fine with the VMs themselves. However, if I decide to do the ...
1
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3answers
4k views

VMWare Virtual Machine mysql / apache services not working the same after a VM copy

I have Ubuntu server running in a VMWare 6.5.2 virtual machine. I made a straight file copy of the entire VM folder structure to my laptop from my desktop and then booted it up. After the VM guest OS ...
0
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1answer
201 views

local WPMU on Debian Lenny vm - 404 error on blog post

I successfully installed wordpress multiuser on my Lenny virtual machine. I set up mod_rewrite and domain in /etc/hosts for it. I can login to dashboard, main page loads too. Only problem I have are ...
18
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9answers
47k views

Hyper-V vs. ESXi vs. XenServer

Can anyone share their experiences (for example, this was great! This failed miserably!) with using the Hyper-V, ESXi, and XenServer virtualization platforms? Cost? Management? features? Handling load ...
4
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8answers
758 views

What is the best appliance you've used? [closed]

Post your favorite appliances or "all-in-one" programs. Whether it runs in a virtual machine, or on its own hardware, it all goes. My submission is Untangle. It's an open source network gateway (...
0
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4answers
240 views

Building a Virutal PC and Making it a DC

I am installing MS CRM Dynamics 4.0 on my Windows 2003 VM. However I get the error message - action microsoft.crm.setup.common.analyzer+collectaction failed One of the recommendations is to make ...
4
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9answers
413 views

Can my operating system be a VM?

This isn't a server question per se, but I wonder if I can have my operating system be, more or less, a VM. Right now, I have Windows XP, and run linux (most of the time) in VMware. I would just ...
1
vote
2answers
460 views

What is the difference between a DOS and Solaris MBR?

I have been playing around with a VM trying to install Gentoo, and it seems there are two options for my Master Boot Record : DOS and Solaris. What is the difference? Which should I choose, or are ...
0
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5answers
2k views

Is there a virtual machine that supports drag and drop between Windows and Linux?

I know Virtual PC does it Windows-Windows, but I'm not sure it supports Windows as host, Linux as guest (my scenario) - and anyway Virtual PC isn't an option for me since I'm running Win7 and my ...
1
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2answers
4k views

Xen - can't create domain because 'vdb could not be connected'

I'm trying to start up a Xen VM, however I'm getting the following error: Error: Device 2049 (vbd) could not be connected. Hotplug scripts not working. what does this mean? The dom0 is CentOS and ...
81
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6answers
83k views

What range of MAC addresses can I safely use for my virtual machines?

I want to assign my virtual machines MAC addresses so that I can configure DHCP reservations for them so that they always get the same IP address regardless of which host hypervisor they are running ...
3
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6answers
1k views

64bit VM on Windows 7 x64

Is there any way to run a guest x64 VM on Windows 7 x64? No luck with Virtual PC 2007, Virtual Server 2005R2. (both blocked during install). I know the Windows Virtual PC app that comes with Win 7 ...
1
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7answers
17k views

How to transfer files & directories from Windows (virtual machine) to Linux

I have Windows virtualbox virtual machine and i would like to transfer some files from it... i thought about using scp but i don't know what directory path should i write (i guess something like C:\...
3
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8answers
16k views

Problem booting virtual machine after converting VMDK to VHD

I used the VMWare VCenter Converter Standalone Client to convert a physical drive on my old PC to a virtual drive. The conversion worked fine and I ended up with a valid VMDK file. Next, I wanted to ...
0
votes
4answers
2k views

Using the same virtual machine among users on the same box under Windows 7

I am currently configuring a Windows 7 box (build 7100) with Virtual Windows XP (default hypervisor). Having created and configured a template Virtual Windows XP enviroment using a local ...
1
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4answers
1k views

How much hosting service is enough for hobby site? [duplicate]

I've decided that it's time to get my own domain where I can nonprofessionally communicate on the web. More or less, I would like to set up a blog on a similar level as Coding Horror, and would ...
0
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1answer
2k views

Hyper-V VM Resolution Issue

I created a Hyper-V VM on my Windows Server 2008 Standard machine. On The VM I loaded Windows XP Home with SP3 from the MSDN ISO. Everything works perfectly until I attempt to change the VM ...
1
vote
10answers
525 views

vmware vs virtual server 2005

I am using Virtual Server 2005 in my previous company, the new company that I have joined uses VMWare, is there any compelling reason for me to start using VMWare. What are the points where each VM ...
59
votes
9answers
157k views

Creating a virtual machine in VirtualBox from a physical one

Is there any way to create a virtual machine that you can use in VirtualBox from a physical installation that you have? For instance, if I have Windows XP installed on a physical computer and want to ...
4
votes
6answers
815 views

Deploying virtual machines - Windows Guest/Linux Host or vice versa?

I'm looking to deploy several virtual machines for users. They need access to both Windows and Linux. They also need to use the computers graphics card (for Photoshop, modeling, etc) under Windows. ...
5
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8answers
15k views

Light Weight Virtual Machines / *nix Distributions [closed]

Does anyone maintain a list of Light Weight *nix distributions, ideally just a VM that can be downloaded.
11
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2answers
42k views

Running Mac OS X on Hyper-V

I have my workstation setup with a Windows Server 2008 running Hyper-V. Now I really want to install OS X for testing purposes. Have anyone had any success running Mac OS X in an Hyper-V environment? ...
0
votes
2answers
861 views

Mouse wheel in VirtualPC (mostly) does not work on 64-bit Windows 7 RC

I have recently upgraded my laptop from WinXP Pro (32-bit) to Windows 7 RC (64-bit). I have a number of VirtualPC 2007 images that I use for testing on various platforms and looking at beta software. ...
24
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10answers
55k views

Running 100 virtual machines on a single VMWare host server

I've been using VMWare for many years, running dozens of production servers with very few issues. But I never tried hosting more than 20 VMs on a single physical host. Here is the idea: A stripped ...
1
vote
1answer
2k views

Cannot uninstall System Center Virtual Machine Mananger (SCVMM)

I wanted to install the new SCVMM 2008 R2 RC, so I thought I would uninstall SCVMM 2008 to do a clean install. When I try to uninstall it I get the following message: [Window Title] Microsoft® ...
6
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2answers
7k views

Naming Convention for Virtual Machines

What is a good naming convention or scheme for a virtual machines? We are building a cluster of virtualization hardware servers in our headquarters and a similar cluster in each of our state offices (...
2
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3answers
191 views

Odd request. iMac physical machine, want to bootcamp to windows native, then run mac os X in VM

I think the subject says it all, but I couldn't find any info quite fitting my desire anywhere. It's hard to search for this and not get tons of articles involving hackintoshes or running a VM on mac....
21
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10answers
32k views

Sync LVM snapshots to backup server

I have a number of Xen virtual machines running on a number of Linux servers. These VMs store their disk images in Linux LVM volumes with device names along the lines of /dev/xenVG/SERVER001OS and so ...
2
votes
4answers
1k views

Can I run a Diff between a VM and its backup?

I have a program which I've been using for over a year that I recently discovered is laced with a virus. I do not want to reformat the entire computer mostly because even if I backed up the data, I ...
2
votes
3answers
15k views

How to reduce virtual machine disk size (Hyper-V)

I have server 2008 that runs several virtual machines. Due to an error each machine was allocated with a lot of disk space. I want to change the maximum size limit of the virtual machines but I ...
0
votes
1answer
197 views

Running Fedora Directory Server in a VM

Does anyone have any experience in running Fedora DS in a VM? Are there performance issues? I imagine I/O might be problematic. We are looking at deploying Fedora DS onto ESX3 virtual machines. While ...
23
votes
17answers
3k views

Virtualization Pitfalls/Lessons Learned

What are some pitfalls or lessons learned after converting existing hardware to a virtualized environment? Is there anything you tried to virtualize but will never do again?
7
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10answers
1k views

Does running one Virtual Machine on a HYPER-V box make sense?

I am considering running HyperV for all my servers, because backup and disaster recovery plans are easier, when I can move the images around to any hardware and not have to worry about drivers. ...
1
vote
2answers
684 views

Cloning SharePoint (WSS 3.0) and Hyper-V

I have a VM with SharePoint (WSS 3.0) installed on it. What is the best way to clone the VM so that the cloned machine has a new SID etc? Running NewSid on the VM breaks SharePoint. Is it possible ...
0
votes
2answers
439 views

Virtual PC Performance Issue on 64-bit Vista

I am running 64-bit Vista with 8 GB ram and 4 cores. It supports hardware-assited virtualization. Using Virtual PC 2007, my newly built 32-bit Windows XP Pro VM is running incredibly poorly. Even the ...
7
votes
4answers
12k views

Virtual Machine guest optimization tips

I've installed Windows7 in VirtualBox 2.2.4 and worked like a charm. But compared with my WindowsXP virtual machine, the performance is slow. I've installed Windows7 in (non-virtual) machines and the ...
7
votes
6answers
4k views

Best way to “virtualize” existing system?

I have a fully patched, pristine Windows XP box and would like to create virtual machines that have the exact same setup, OS and software - just differ in disk size, available RAM. The virtual ...
5
votes
3answers
438 views

Linux Kernel Virtual Machines

I've been running KVM for a few of the management servers at work, I've actually been very happy with it all around, and now want to move to the next phase, and deploy some heavy services (data-mining,...
0
votes
8answers
268 views

virtualization question

I am setting up a multiple machine environment on my Vista box to save additional H/W cost. And I plan to use Microsoft virtualization technologies. I am using Windows Vista x86 Enterprise as host ...
8
votes
3answers
9k views

All sub-domains to one IP in hosts file?

I've got a VirtualBox VM running with host-only networking. This VM is running Apache, and I want to setup a bunch of name-based virtual hosts in it that can be accessed from the web browser on the ...