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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Permission denied to remount tmp for exec

I'm running Fedora Linux on MediaTemple using their (ve) virtual Linux box. Pretty much a clean install (Linux **** 2.6.18-028stab089.1 #1 SMP Thu Apr 14 13:46:04 MSD 2011 x86_64 x86_64 x86_64 ...
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1answer
763 views

ESX shut down VMs when some but not all storage paths failed

I've been on hold now for an hour waiting for VMware support and am betting serverfault can beat them to the answer! I am running ESX 4.0 and 4.1 on 6 HP blades, using FibreChannel LUN storage. We ...
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2answers
479 views

Moving a Server 2008 physical server to a virtual environment: How, what, and licensing [duplicate]

Possible Duplicate: Can you help me with my software licensing question? I have a location w/ three servers: Server 1: SBS2003, running Exchange, file sharing, DNS, DHCP for domain1 and ...
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1answer
2k views

How do I figure out why a tomcat6 webapps dir symbolic link works on one machine, but not another?

I recently built an Ubuntu virtual machine for MarkLogic development. The machine was then distributed to 4 other developers to provide a consistent dev platform. Now I'm setting up another piece to ...
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3answers
94 views

Running Ubuntu on a VM as a server in Windows

I am currently developing a django application on my local computer and therefore I need to setup a server. Since Apache/Python is very comfortable to work with on a Linux based system, and my local ...
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1answer
2k views

How to unhide a VM in Xen?

After failed OVF import, I have some VMs which are appearing in XenCenter only if I enable Hidden Objects option in View menu. How can I unhide a hidden Virtual Machine in Xen Server?
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2answers
240 views

Open source cloud computing with scalable virtual machines

I'm searching for open source software to create my own cloud computing environment, like Ubuntu UEC or Eucalyptus. What I need is that each virtual machine can use resources from multiple nodes ...
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3answers
2k views

is it possible to check CPU and RAM usage of the OpenVZ *host* machine from within a VM?

I have purchased an OpenVZ VPS from one of the hundreds of internet hosting companies. I dont pay much for it, but lately performance has been terrible. They are obviously overselling, but I am ...
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2answers
472 views

XEN VM config locations on Debian Squeeze

I have inherited a debian squeeze VM host, which is not booting anymore. I want to export the virtual machines to another host, including config files and disk containers before killing the machine. ...
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0answers
25 views

Windows virtual pc 2007 OS disk expansion

I have a Windows virtual pc 2007 VM on my Windows 7 pc. The VM has windows 2008 Server installed. But its C: is only 10 GB in size and now I need to extend it. I can add new disks fine. But I need to ...
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3answers
6k views

How to backup VirtualBox virtual server?

I'd like to setup a server running in a VirtualBox virtual machine on a Linux host system. What would be an effective way to backup this virtual server "whole", so that in the event of either a host ...
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4answers
2k views

Possible reasons for high CPU load of taskmgr.exe process on VM?

On a VMware virtual machine which has severe performance problems I can see a constant average of 20+ percent CPU load for the TASKMGR.EXE (task manager) process. The apps running on this server have ...
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2answers
516 views

VM Windows 2003 Server Standard configured with 3.75 GB RAM

I am analyzing software performance problems on a VMWare virtual machine running Windows 2003 Server Standard Edition. I can see that the assigned memory is 3.75 GB in the computer properties dialog. ...
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1answer
773 views

Resolution path for fixing Hyper-V VM migraton from a host in one domain to a host in another domain

I have 2 Hyper-V servers one Windows Server 2008 and one Windows Server 2008 R2. I moved a VM from the 2008 box to the 2008 R2, with the 2008 on domain X and the 2008 R2 on domain y. When the ...
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2answers
4k views

What's the best way to make a copy of a VM and then rename it to save into your inventory from vSphere client?

I've had trouble exporting VMs, renaming them and importing them back into my inventory. What is the best way to do this inside vSphere Client? I am using vSphere Hypervisor version 4.1. Thanks.
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3answers
148 views

Hiring a virtual server [closed]

I'm looking to hire a virtual server to host the sites of my clients. Is that possible? I can host as many sites as I want in a virtual server? Does anyone know please tell me where I can find ...
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4answers
2k views

Small Linux distro for use as server

I'm doing a development that requires multiple machines, in-order to check. Currently, I'm running Python code on a full-fledged Linux VM. This makes it hard for me to run more than 2 machines inside ...
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1answer
1k views

VirtualBox VHD Image asking for Product Key

we used the tool from MS here to create a .VHD of an old XP laptop that has some important software on it. We intend to retire the laptop and use the VM exclusively so we can back it up, and keep it ...
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4answers
856 views

Virtal Machine Managment Control Panel - Xen/KVM [closed]

We are looking for an open-source or low cost virtual machine management control panel. We require it to be able to manage up to dozens of hypervisors and thousands of virtual machines. It should be ...
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1answer
98 views

How to set static IPs for virtual machines if you are behind a router

I know that you can manually set static IPs on virtual machines, procedure dependent on the operating system. However, if I am connected behind a router, I was told that DHCP could possibly ...
2
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1answer
590 views

Accessing server running inside virtual machine

I am running Ubuntu on a OS X, using Parallels and Ubuntu is running a web server on port 8080. I want to test the development outside the virtual machine. But when I try the ip address of the Ubuntu ...
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1answer
160 views

TechNet, licensing and virtual machines (VM) [duplicate]

Possible Duplicate: Can you help me with my software licensing question? I have a TechNet Subscription and have (1) Windows Server 2008 product key. It says this type is MultipleActivation. ...
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1answer
140 views

Virtual Machine Active Directory Domain Controller

I have a VM with Win2k3 x64 Enterprise Edition installed. I have DNS Server and AD(DC) Server roles added to this VM. I would like to know if I could join my laptop (which is the host for the VM) to ...
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1answer
147 views

Dynamic local network names for virtual hosts

I've configured a virtual machine for use as a web development platform to distribute to web developers in my company. Currently, I have the install script for each site creating a new virtual host ...
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518 views

Socket Error 10054 & 10060

We are experiencing a problem after moving some software from one server to another. the client has remained on the same machine. Old Server: Windows 2003 server Physical machine New Server: Windows ...
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6answers
929 views

Will the OS crash if the system partition can't be access for a short period?

An operating system is installed in a virtual machine environment, such as VMWare or KVM. A network shared disk volume (e.g., iSCSI disk) is used as the OS system partition. Heavy traffic is running ...
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953 views

Can't connect to Web-Service running on VMware Player

I have windows 7 installed and I am running VMware player with Ubuntu as the guest OS. I installed Etherpad which runs on http://localhost:9000 in the VMware player. In the VMware player itself I can ...
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2answers
775 views

How to mount USB drive on VM under VMWare or Virtual Box on OS X

I need to mount an external USB drive formatted as UFS on a Mac running Snow Leopard (OS X 10.6.7). OS X has no support for UFS, but I understand you can run a virtual instance of an OS w/UFS support ...
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2answers
947 views

(Eucalyptus, KVM) Why we need to split a VM into kernel image, ramdisk image, and disk image?

I'm new in using cloud computing technologies. There is a popular cloud software called Eucalyptus. I found that the way to start a VM in Eucalyptus is very different from Virtualbox. In Virtualbox, ...
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1answer
271 views

How to mirror a VM directory on a the host machine?

Doing web development I love having all the tools I've grown used to right here at my disposal. Right here, meaning on my local machine. I don't mind popping Vim for a quit edit or config setting on a ...
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2answers
277 views

Automatic VM capacity planning

Situation: I've got a bunch of blades, all with same amount of memory and cores in each. Some have local storage, some do not and rely on the SAN. I've also got a ton of VMs that I need to build ...
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124 views

Commonly used OID for Linux Servers

I want to extend the schema for my ApacheDS (OpenLDAP) server to track Virtual Machine info (Operating System, Memory, Disk Space, Processor Peak, etc.) but I don't know what OID to use, if there even ...
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1answer
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How to open virtual (.vhd) from win 7 enterprise?

I was given a virtual (.vhd) made using Hyper-V (it's a windows server 2008). I am running windows 7 enterprise on my box. Which client should I download for best performance. ...
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2answers
387 views

RHEL 6 KVM Give local host user ability to manage just their vm

I am running KVM on a RHEL6 machine that currently runs 4 guest VMs. I have been tasked with finding a way to give a local user (local to the host machine) administrative power over only their ...
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3answers
230 views

Virtual Machine Antivirus

We're starting to ramp up our Virtual Machine operations and are increasingly running more and more Windows guests. As far as I can tell traditional antivirus programs are not a scalable solution for ...
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2answers
583 views

OpenVZ Configuration Issue

I am facing a memory overflow issue in one of my OpenVZ containers. While doing a vzctl enter 172 it gave an unable to allocate memory error. The container is supposed to be configured for 3.5GB of ...
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2answers
1k views

XENServer hard disk crashed - Save my soul

Hey... I am in the worst possible situation. Any help is like saving my soul and even more... I had a machine on which Citrix Xen Server was installed and had three VMs and I was working on those ...
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2answers
2k views

Can't ping guest machine on Hyper-V setup

I'm having a problem with a Hyper-V configuration. I can ping the host from the guest, but not the guest from the host! Here's my setup: The host has its own NIC connecting to the network. The ...
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1answer
344 views

Tiny Linux Distro for Rails?

I need to build a Linux image for VirtualBox that includes just enough software to run a Ruby on Rails stack -- basically the kernel, the networking stuff, Ruby 1.9.2, Apache2, mod_rails, and git. ...
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1answer
78 views

DNS error from a web site hosted in a VM

I'm on a private network but I need to access on an external site hosted in a Virtual Machine. When I was in the public network I edited the hosts file(%windir%\Windows\System32\drivers\etc\hosts) ...
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2answers
174 views

Why VPS and not shared hosting? [closed]

I always read, with VPS you have so much freedom! You can configure it however you want! ... what does all that even mean? I mean really, all I want is for my host to have php, apache, and mysql. Can ...
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1answer
224 views

Specific DHCP assignment to virtual machines

We currently have a Gateway(debian 5) which is running a dhcp server. Currently a testing phase is going on in the company and the number of VM's are just increasing day by day and ip conflicts are ...
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2answers
1k views

Migrating production CentOS server to a VirtualBox VM?

I want to migrate a production server to a VM for development purposes, and exactly duplicate the production environment as closely as possible. The production server is running CentOS with a single ...
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2answers
454 views

Simple use of KVM virtualization to run old O/S on new H/W

I have a CentOS 5.5 x64 server with KVM installed (yum groupinstall KVM). I have a Windows-XP PC on the same LAN. The server doesn't have an X-server installed, it is administered from the WIndows-XP ...
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3answers
2k views

XenServer Performance

we've got 2 x HP DL360 G5s with Quad Quad Xeons 2.6GHz and 32GB of memory each running XenServer 5.5 and they access an OpenFiler box (with 8 x 320GB SAS 10K drives) via copper CAT5 (1GB) for the ...
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1answer
494 views

How to speed up networking on virtual machines (VirtualBox)?

I'm currently running at about 10mbps and I was wondering if you fine people out there had any clever ways to speed that up. Thanks!
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144 views

Why RHEL6 Virtual Machines have network breaks in Hosting Center.Why there is network breakdown with Virtual Machines hosted at hosting center

We hosted two servers with Virtual Machines using bridged network in the Hosting Center.But we faced problem with network breakdowns quite often. The details are Host1 192.168.125.2 VM1inHost1 ...
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2answers
411 views

Virtual Macines in RHEL6

Can we make virtual machines in RHEL6 with each having static ip's and have individual connection from other network and without using a bridge.
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1answer
81 views

Giving a static IP to a VM in Server 2008

I have a dedicated server in Las Vegas. Yesterday I learn the awesome things about VMWare Server and I got that installed on it. Then I placed a CentOS 5.5 in one of the VM and its running as it ...
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1answer
221 views

Performance of Virtual machines on very low end machines

I am managing a few cheap servers as my user base isn't large enough to get much more powerful servers. I also don't have the money lying around to invest in a server to prepare for the larger user ...