Virtualization is a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility, and/or the ability to run more than one at a time. This differs from most traditional systems where ...

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Transfer physical Windows Server 2008R2 licence to Hyper-V server [duplicate]

I have a plan to upgrade my 2008R2 Standard Edition to 2012R2 Standard Edition, and then virtualize them with Hyper-V 2012R2. Is it possible to upgrade from Windows Server 2008R2 Standard Edition to ...
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86 views

How do I configure KVM guest to have Internet access?

I am trying to get KVM working on my Debian server and I am having a slight problem with networking with my guest OS (also Debian). The virtual machine is using the "default" network (without a ...
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0answers
36 views

More than 3 virtual disks in XenServer

I have an Ubuntu Server 14.04LTS on a XenServer 6.2 in HVM mode. Is there any way to use more than 3 virtual disks without a full PV? I already installed XenTools but nothing changes. As far as I ...
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2answers
2k views

Service can't connect to self using public IP, NAT problem

I have a dedicated server from serverloft.eu, but due to some network security I cannot use bridge networking on my server. So I have setup all my IPs to the main eth0, and used NAT to forward trafic ...
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1answer
113 views

Physical processor to virtual processor scaling

If I have a Windows Server 2012R2 with Hyper-V role installed, and the configuration is: 4 processors, Intel Xeon E5-4620v2 and each one is 8 cores/16 threads, can I utilize enough power for ...
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2answers
101 views

Static IP injection to guest VM in Win2k8

Is there a way to inject IP address and do network configuration of a CentOS VM running on Windows server 2008? In Win2k12 there is SetGuestNetworkAdapterConfiguration using which IP address can be ...
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10answers
14k views

How to [politely?] tell software vendor they don't know what they're talking about

Not a technical question, but a valid one nonetheless. Scenario: HP ProLiant DL380 Gen 8 with 2 x 8-core Xeon E5-2667 CPUs and 256GB RAM running ESXi 5.5. Eight VMs for a given vendor's system. ...
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1answer
61 views

routing a second public IP to multiple VM's

myself and a friend have rented a dedicated server and have used KVM and libvirt to create virtual machines for us to use. (we are using debian jessie on the host) we purchased two additional IP ...
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15 views

Xen relay device on DomU

I am using Xen hypervisor. I've two reuirements forward a devfs file to DomU Guest. forward a tty to DomU Guest. forward a pts to DomU Guest. If 1st one works second one will also work. Example: ...
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1answer
159 views

Ordering RPM virtual packages

I have following packages, built by my RPM spec: libevent backend %package -n libfoo-libevent Summary: libevent backend for FOO Provides: libfoo-backend Requires: libevent >= 1.4 libev backend ...
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1answer
199 views

virtual_alias_domains - how to use different IP addresses when forwarding mail?

I host 2 web domains (domain1.com and domain2.com) on a CentOS 6.6 Linux server with 4 IP addresses. Postfix 2.6.6 accepts mails to info@domain1.com and info@domain2.com and forwards them to ...
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1answer
789 views

Set up network interfaces in Ubuntu for KVM virtual machine

I am currently renting an Ubuntu server. On this machine I would like to run virtual machines using KVM. For some web access I have installed Kimchi, a very simple html5-based KVM management tool. ...
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3answers
1k views

How can I automate and run post installation commands in Azure Virtual Machines?

I need to deploy Azure hosts and configure them according to a pre-defined script once they are loaded. Is there any example, guidance,or tutorial on how to modify an Azure VM once the instance is ...
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3answers
3k views

Stale NFS handle

I have several xen guest OSs that get their root file system from NFS. I changed /etc/network/interfaces on some of them (on the nfs server) and then rebooted them. Now I get lots of 'Stale NFS ...
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2answers
1k views

Adding virtual NIC to HyperV VMs killed my network speed

I have a pretty simple configuration: Windows Server 2012 Hyper V Host, with two VMs (both Server 2012), one for IIS, one for SQL Server. They're all connecting through the physical NIC Last night I ...
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0answers
76 views

OpenVZ : live migration fails

I can't launch live migration of OpenVZ container between two proxmox nodes... Feb 05 03:30:27 starting migration of CT 102 to node 'madrid' (xx.xx.xx.xx) Feb 05 03:30:27 container is running - using ...
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1answer
283 views

Running Vagrant/libvirt: trying to establish public/private networks

I'm running Vagrant 1.7 (from their official 1.7 packages) on Ubuntu 14.04 LTS and I'm trying to provision several private VMs and one public one. My Ansible provisioning scripts change all the ...
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7answers
7k views

Running Xen inside VMware?

There are a number of Xen based virtualization products on the market, and like with other new software, there is a need to try them out in a lab environment before doing production installation on ...
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4answers
1k views

FreeBSD Hypervisor?

is there any possibility to have FreeBSD running virtual guests (Linux and Windows) apart from VirtualBox? Didn't find any recent information yet.
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3answers
4k views

Installing RHEL/CentOS over FTP using kickstart

I have the following command to install CentOS using the virtual vsFTP server that I have at 192.168.122.1: virt-install --name kickstart.example.com --ram 768 \ --disk ...
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1answer
92 views

Virtual machines on a SAN and a failover cluster between two physical servers

Say I am setting up the following environment: -two physical servers each with Windows Server 2012 R2 Datacenter. -a SAN -a failover cluster between the two servers The physical servers won't be ...
0
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1answer
24 views

How do I have a local computer load a virtual machine guest OS residing on the server?

I'm not sure how to ask this. I have a Dell 7010, and I wanted it to run a virtual machine. VMWare, Xen, or other software. But what do I install on the client PC so they can load the virtual ...
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2answers
346 views

Can you use CGroups inside an OpenVZ Container?

just a quick question, which i have had trouble finding the answer to: The OpenVZ Authors have been contributing a large amount of code to the linux kernel, in order to get virtualization features ...
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2answers
16k views

Can't ping my Window 7 machine from within a Windows XP virtual machine [closed]

I have Windows 7 installed as my primary operating system, on a laptop that's on my home network (wireless). I'm using Microsoft Virtual PC 2007 SP1 to run a virtual machine of Windows XP SP3, in ...
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4answers
255 views

Can you recursively run Virtual Machines [duplicate]

Possible Duplicate: Is it possible to setup a virtual machine inside another virtual machine A VM inside of a VM?
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3answers
17k views

How can I create a copy of a vm in vSphere Client running on ESXi 4.0?

I'd like to create copies of the VMs located on my datastore that I can put up temporarily on a different server while I perform some maintenance on our main virtualization server. Aside from using ...
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4answers
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How to mount virtual machine's LVM partition on KVM host?

If I trying to do following on KVM host: # kpartx -av /dev/VolGroup00/kvm101_img add map kvm101_img1 : 0 208782 linear /dev/VolGroup00/kvm101_img 63 add map kvm101_img2 : 0 125612235 linear ...
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4answers
2k views

OpenStack: Can I convert a volume into an image?

I am trying to figure out the path of least resistance in OpenStack to get from a live CD to a disk image that can be used for deploying new guest instances. If you boot an OpenStack instance from a ...
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0answers
213 views

SSH using Agent Forwarding with Windows Host OS, Vagrant Ubuntu Guest OS, and Keepass/Keeagent

Intent: To be able to deploy to lan-example.com from any dev environment; whether it be directly from the virtual OS, or any single-OS system, or even over the internet using ONE SSH key stored in ...
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1answer
103 views

How to create a single image of Windows Server 2008 R2 to use on a Azure Virtual machine

I am trying to migrate from a colocation where I own the servers to Azure. I have been following this article: ...
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0answers
115 views

Configuring Proxmox Cluster Storage

We are configuring proxmox on our servers at two locations each location has; 1 x hp c7000 enclosures with 16 blades 1 x hp proliant dl585 We also plan to add a 24TB SAN to each location. We are ...
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1answer
655 views

Interview Question: Virtualization and software quality assurance

How do you automate (in testing) the process of making your system fail and recover from the failure, and also you must make sure time stamp is maintained each time the system recovers? I was asked ...
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5answers
225 views

What should be considered when purchasing a virtual machine set up?

I've been asked for an opinion about a purchase of a blade server that should be used for running virtual machines. I have very little experience in this, so what things should be considered in terms ...
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7answers
723 views

Is Windows 7 RC stable enough for limited production deployment?

With the Windows 7 RC out today, and it being good for a year before expiring makes for a compelling argument to deploy it in limited production usage internally. I tested the Windows 7 Beta and was ...
0
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1answer
62 views

My server boots a kernel I don't recognize

On my dedicated server I'm running Debian 7.5 as an OS. I have installed OpenVZ for amd64 architecture to use the benefits of virtualization but after successfully installing it (following these ...
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2answers
210 views

Server upgrade to virtual environment

Hello guys I hope that you are well with everything that matters to you including health, family, finance and everything else. We are having a big project that initially includes • Active Directory ...
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1answer
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0answers
62 views

Is it possible to virtualize a Genband/Broadsoft M6 voip telephony system?

I work with a company that runs a hosted VOIP platform originally known as the Genband M6 acquired by Broadsoft a few years back. This system is going end of life March 2016 and will no longer be ...
0
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1answer
49 views

Managing disk space with > 500 virtual windows servers (strategy ?)

I'm working as an admin in a medium sized company. Over the last 10 years our amount of servers increased from less than 90 physics to more than 500 virtual machines including a few physics as host ...
0
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1answer
247 views

Major Issues with Sysprep, server now has a installation prompt

So yesterday I asked this question: How to create a single image of Windows Server 2008 R2 to use on a Azure Virtual machine I was told by multiple sources I need to run sysprep against the machine, ...
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0answers
539 views

XenServer 6.5 upgrade: NVIDIA GRID K1 gives “PAT Configuration unsupported”

We have two Supermicro SYS2027GR-TR2 servers that were running XenServer 6.2 SP1. Each system has one NVIDIA GRID K1 video card installed. We just upgraded the servers to XenServer 6.5 by doing a ...
0
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1answer
151 views

Anyway to create a single bootable image from Windows Server Backup vhd files

So I have a Window Server 2008 machine that I need to restore. The machine is on, but will not boot into the OS. I really don't need the machine anymore. I have Windows Server Backup vhd files. Is ...
0
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1answer
65 views

Server virtual processors and processing units

I am using PowerVM hypervisor with AIX operating system, and having troubles understanding the difference between virtual processors vs processing units. Here is an example: I have got a server with ...
0
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0answers
54 views

server 2008, SMB issues after changing to virtual network

I have a windows 2008 server that I use as AD, DNS, and mostly for file sharing. I wanted to use hyper-V to add a virtual Linux box for some network monitoring software. So I added the external ...
0
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0answers
20 views

Opposite answers, which is true: Can a vCPU be mapped to more than one physical CPU? [duplicate]

I have a 32 bit optimization software (CPU intensive) which can use only one cpu core. If a virtual operation system in VMware is set to be one vCPU, can this system use more than one physical cpu of ...
3
votes
2answers
442 views

Amazon AWS EC2 instance Exported to local machine

I have several Amazon AWS EC2 virtual machines that I created on AWS EC2. They were not imported, they were created there. I would like to export these machines in order to achieve local backups, ...
0
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2answers
4k views

hyper-v could not initialize memory there is not enough space on the disk (0x80070070)‎

I have created a virtual machine on a Hyper-V server, Dell PowerEdge with 24 Gb of RAM. I want to have four VMs with 2048 Mb of RAM each. Originally, I created this one (SV-YAMATO) with 512 Mb of RAM, ...
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2answers
273 views

How to improve poor SQL Server performance

We have a virtualized environment using VMware vSphere 5.0 U1 which hosts our Microsoft SQL Server and have very poor performance. the host server is a HP DL360 G5 with xeon X5450's, and the disk ...
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2answers
46 views

When to use virtual or regular users exim/dovecot?

I'm setting up an exim/dovecot server but i'm looking into when to use virtual users and when to use regulars. Is there a proper use case? I guess i just have to use real users because most of them ...
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1answer
893 views

Share IP from Xen (XCP) Dom0 to DomU

The situation: Xen Cloud Platform installed on a dedicated server. It is assigned a batch of IPs. I want to create a CentOS 6 VM (domU) that is running a WHM/Cpanel install, and has access to the ...