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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Hyper-V: Guest external internet access

Following setup: Host machine has 1 physical NIC Host OS = Win Server 2008 R2 (hosted in data center) Guest OS = Win Home Server 2011 Network setup basically as described here or here. Goal: ...
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42 views

how to make a vmware clone into a running instance from the command line?

I am using vmkfstools and the vim-cmd suite of programs to clone linux hosts. I'm trying to figure out how to turn a clone into a new running instance, but for some reason I'm not locating any ...
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119 views

Extending System Partition Windows 2003 Server

I'm currently trying to find a method to extend the system partition for Windows 2003 Server. I've been trying to use GParted, however I keep running into the issue below. Is there something that ...
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1answer
927 views

Exchange Information Store keeps restarting event ID 7024

My problem is as mentioned above that the exchange information store keeps restarting. I am running Exchange 2010 SP2 on 2008 R2 as a VM The event log shows the following entry realted to this: ...
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769 views

Proxmox: VMs and different public IPs

I have a server which has two NICs and both are directly connected to internet. I have five different public IP addresses available for the VMs. The host machine (Proxmox) doesn't need to use any ...
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42 views

How to prove my VM is the only VM on a host? Will virtualization have a negative impact on a webserver that runs PHP and MySQL?

I put two questions in my title. If you think I should split them, please comment. We pay for a dedicated server and I saw that my harddrive was vda1, so that started me looking. My host explained ...
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1answer
50 views

Increasing the size of a partition on a virtual Ubuntu server

I'm a web developer who's been put in charge of a small virtualised web server at work. Unfortunately, I've never done anything to do with server admin before, so I'm a little lost. The guy in ...
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38 views

Migrating & consolidating file shares to new server vm

An interesting little puzzle for you guys & gals: My organization has 3 companies, each with their own separate hardware server and file storage, that we're looking to consolidate into our vm ...
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1answer
43 views

Guide to choose which is the best for VM - microsoft or vmware [closed]

i am confused between VM Ware and Microsoft Hyper V whic one is the best in terms of all. is there any comparison chart then please let me know. as to run os in vmware need to install esxi; it is ...
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1answer
52 views

Using VMware vSphere with a single NIC

I would like to install a low-traffic application server to be shared by 3/4 persons in a cubicle. To simplify deployment and maintenance I would like to use VMware vSphere Hypervisor. Is one ...
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1answer
69 views

how to locate which startup scripts executes riak startup

I have a 64bit ubuntu server in a virtual machine, and I have some scripts running at startup, and I can't seam to locate in which file do we have the riak startup setup. I searched a lot of files ...
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1answer
130 views

DNS not resolving the same as host

We have an OSX host and an ubuntu 10.04 vagrant instance running on virtualbox. While attempting to send an email to emailtests.com (for email testing purposes) we noticed that the DNS was not ...
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79 views

Xen dom0 rebooting

I am using Xen version 3.0.3 and running 4 domU's on this.(guest OS is windows) suddenly my dom0 reboots for no reason.This is happening frequently for last 2 days. I checked xend and system logs but ...
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22 views

Linux / Ubuntu fingerprinting command/method(s) to identify system wide differences in hardware / packages / configurations between 2 environments

I have 2 separate environments, and some strange behaviour occurring in one environment that is not in the other. Specifically the error is related to the PHP: Fatal error: Nesting level too deep - ...
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2answers
904 views

virt-install KVM “Cannot open display ”

So I am trying to create a VM using KVM (on CentOS 6.3) and the command I use is as follows: virt-install --connect qemu:///system --virt-type kvm --name ffVM32 --ram 1024 --disk ...
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140 views

nslookup and tracert inconsistencies

In a Windows 7 VirtualBox guest with NAT and an OpenVPN connection issued by the host, nslookup and tracert behave differently w.r.t. name resolution: nslookup hostname works, using 10.0.2.3 as DNS ...
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88 views

SWAP reducing SSD write speed?

My SolusVM graphs have been showing 8Gb Swap usage even though the RAM is never over 50% used. Is it possible that virtual machines going into swap will reduce the IO of the SSD?
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283 views

CentOS No Login Prompt After rc.local Executes

This is a CentOS 6.4 server with no GUI. After rc.local executes in the boot sequence, I am not presented with a console style login prompt. I can type characters on the screen but there is no login ...
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100 views

XEN, VM not starting after reboot VM

Ubuntu 13.04 raring, XEN 4.2 x64. When I reboot in VM OS, VM is shutdown and not starting automatically. (VM State is OFF.) Server message: [2013-09-05 17:37:43 20103] INFO (XendDomainInfo:2079) ...
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2answers
425 views

How can I use all memory on the ESXi 5 host?

I am under the impression that 2 of the 6 GB on a ESXi 5 host are not used. This is a single host with a free licence. When I assign resources to the VMs there is only 4GB available, and under ...
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3answers
1k views

/dev/sda1 not in a volume group, and vgextend doesn't work

I've got several virtual machines which I access through a VMWare vSphere client (v 5.1.0). One ran out of space and I'm trying to give it some more space. What I've done so far: - Increased ...
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2answers
612 views

VMWare Workstation - how to automate or script changes to the virtual network configuration

VMWare Workstation (I'm using V8 on Linux) provides a GUI tool, Virtual Network Editor (vmware-netcfg) to edit the virtual network adapter settings for use by the VMs on the system. I'm dealing with ...
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115 views

Single VLAN ID out of 5 not working in Hyper-V 2012 Cluster / SCVMM 2012 SP1

I am having strange issues with one specific VLAN in a Hyper-V 2012 cluster. The cluster has 3 servers, each one has a "Management" adapter for management traffic and "VM Data" adapter for virtual ...
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100 views

RAW device mapping and cluster settings

I have Windows 2008R2 physical server. It has a standalone virtual server if something goes wrong with the physical server. The physical server is connected with SAN storage. The storage team makes ...
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1answer
110 views

Running puppet on a single machine using a vagrant produced cluster

I am building a four cluster machine with Vagrant and provisioning those machines using puppet. I want to find a way to get my puppet scripts to only run on an individual machine. As it stands right ...
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1answer
2k views

Performance issue of Server 2012 VM on ESXi 5.1 U1

I'm having issues with a VM, as stated in the topic, that runs on ESXi U1, build 1065491. The machine is sluggish and i can't figure out why.. Here's the details. It runs on a Dell T420, has ...
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28 views

Mounting a Windows 7 pro directory in Ubuntu 12.04 VM

My goal, To run one Ubuntu VM with multiple virtual hosts of the projects I am running but whilst not keeping the files for each project inside the VM. So, I have managed to mount the windows ...
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1answer
152 views

Trying to setup subdomain on Apache2 but getting subdomain is unavailable

I am trying to setup a subdomain in Apache2, I have two folders in www folder, ankurkaushal & owncloud. I want to make subdomain for owncloud. I have a dedicated IP address for my server and I ...
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1answer
142 views

Importing a hyper-v exported image

My google-fu is failing me. Badly. One of my clients sent me a Hyper-V exported VM which constitutes a bunch of VHDs and an XML file (which I assume is the machine definition file). Try as I might, ...
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1answer
965 views

Server 2012 DC in VMWare virtual network (NAT) unable to connect to the internet [closed]

I am trying to set up a virtual lab on my laptop in an attempt to get into some SharePoint development. As a developer, my knowledge of Windows Server and VMWare is limited so I'm following the blog ...
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1answer
28 views

change a group of guest host os password in VM [closed]

I am the build guy and need to manage 300-500 build machines in a VM host for company. Now I need to change password for all machine's "build" account Do I have a way to change it without log-in into ...
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60 views

ADS and VMs need to coexist. How?

I work for a university and we are currently tasked with setting up a new computer cluster. That is like breathing for us, it is so easy. This cluster though is special. It will be shared between 5 ...
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2answers
97 views

Dividing sets of services on a single server

A group which I'm part of has grown and is about to move from using DigitalOcean VPSes to a single colocated server. At this point, we don't have a need to distribute our service very highly. This ...
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258 views

Proxmox Win2012 guest no internet access

I have Proxmox installation with common network layout i.e. as this guy What are the differences in the configuration of the network on Proxmox (KVM)?. I have 3 VMs, 2 with debian, working totally ...
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148 views

is it possible to clone or export a VM from a hyper-v cloud?

I would like to know how I can get a clone of a machine that we have in our cloud? We are running hyper-v and are using microsoft virtual machine manager console as a client to manage our virtual ...
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1answer
30 views

Weird Subversion behaviour on virtual machines

I've deployed four virtual machines to test a Subversion setup with specific client and server side hooks. I have one Fedora top level server, Windows working both as client for Fedora server and a ...
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2answers
156 views

Networking in 2003 SP2 VM running under 2012 Standard Hyper-V, adapter failing

We had a 2003 SP2 Web/SQL Server VM running on a hosts hardware. The hosting company became unresponsive so we decided to move the VM. So far I have done the following: I used disk2vhd to create a ...
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0answers
44 views

Trying to communicate between virtual servers on the same host through ipv6

I am running KVM on a host with 2 virtual servers. Each virtual server has a own bridge interface on the host VPS1 has br1 VPS2 has br2 Each virtual server has a own ipv4 and a ipv6. The virtual ...
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1answer
95 views

How can I configure my server to make it into a Virtualization Host?

I have an IBM server running Centos 6.4, I have only one Public IP. I need to create two virtual servers (a full guest OS running on emulated virtual hardware) in it and point them to two different ...
2
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1answer
131 views

Can the paged pool memory limit can be increased?

We have a windows server 2003 R2 machine, 4GB RAM, 32 bit. The paged pool limit is set to 354 MB. We have been having crashes twice in the last month and it is due to event ID : 2020 - The server was ...
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1answer
97 views

How is the Total Virtual Memory Calculated in this server? [closed]

From the images below, I am not sure how the 'Total Virtual Memory' available is shown as 7.82 GB in the system information (winmsd.exe) ? I always though it is nothing but the page file size ...
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1answer
204 views

Private networks with SCVMM 2012 SP1 and Hyper-V

In my lab I have two hyper-v host running Windows 2012 server. For lab and test purposes I want to have private networks that are available on both hosts, and where the VMs on those networks are able ...
2
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1answer
2k views

problems configuring Filezilla ftp server on windows azure virtual machine

Recently I've been attempting to setup a filezilla server on one of azure virtual machines and cannot seem to get it fully running. I am currently able to get an initial connection, however subsequent ...
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2answers
291 views

Can the name “localhost” in a virtual machine be mapped to IP of host machine?

I have a virtual machine image (using Virtual PC) of Windows XP/IE6 from Microsoft's "modern IE" website. This virtual machine is hosted by a Windows 7 machine. I have a local web application on the ...
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33 views

VMWare ESX and templates

Recently we faced with one problem. We have to have many CMS on different virtual machines located on our ESX server. One CMS for one VM (it is important). But we don't want to store them all ...
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1answer
961 views

When shall I use linked vs full VM clones?

I've seen documentation for the Full and Linked virtual machine clones, but I can't seem to fully understand when I should use one over another. I see that the full clone creates a copy of the VM, but ...
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1answer
1k views

qemu-system-x86_64w.exe : could not open disk image D:\img.img: Permission denied

I'm trying to use qemu on Windows (8), because I have to emulate an USB mass storage device (VirtualBox still doesn't handle USB3 which my computer only have .. and if I could have qemu working it ...
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1answer
266 views

ESX Unix guest & AnywhereUSB [closed]

We got a Nagios (FAN) VM within an ESXi little cluster (4 servers). I have to configure SMS alerts with Nagios, so I have to plug a phone via usb. Problem : I want my usb to be seen even if my VM ...
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1answer
84 views

Virtual router for virtualisation [closed]

I'm currently setting up a virtual lab at home for general server / network testing using Hyper-V. At present I have a virtual network adapter that is linked to my Physical network adapter so that the ...
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1answer
133 views

Azure - Set up a VM, hosting a website from it, now need to set up email for my custom domain

Here's the scenario: I set up a VM on Azure - we'll call it mikemarks.cloudapp.net. I installed IIS and got my website working by hitting the mikemarks.cloudapp.net URL. I have a custom domain ...