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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19 views

Can I install Backup Exec in a guest

We want to have a single physical machine as host, having several guests. One of the backup solutions we're considering is using Backup Exec to backup to external disks or tape, having Backup Exec ...
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1answer
19 views

How to P2V a RAIDed IBM Netfinity 7100 W2000 server

I have a legacy machine from IBM (A Netfinity 7100) running a Windows 2000 SP4 server OS. We are trying to move it to a virtual environment (KVM under Linux) to decommission this old, costly hardware. ...
0
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2answers
932 views

Getting “Stopped” Hyper-V VM state from PowerShell

I'm using http://pshyperv.codeplex.com/ for managing Hyper-V through PowerShell. OS: Windows Server 2012 This PS module can get VMs which are running and, I guess, should get the ones which are in a ...
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1answer
1k views

How to speed up QEMU on Windows host?

We want to run our Ubuntu 64bit web server virtualized/emulated on a Windows 64bit host. Intended use is to distribute the VM to customers who might not have "elevated" or "admin" rights on the ...
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2answers
935 views

VMWare and Turnkey Linux appliance can't access network

I have a VMWare ESXi cluster running many Windows and Linux VMs perfectly. I have installed the Turnkey Linux Redmine appliance, and am having a lot of trouble getting the networking to work ...
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0answers
18 views

how to create virtual private server in openVZ with two physical interfaces

I have couple of queries What are the possible ways to create a virtual private server with two physical interfaces(eth0 and eth1) in openVZ? if not how it should be achieved ? vzctl set 101 ...
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4answers
3k views

How to add URL's to wiki (MediaWiki) powered documentation?

We have an internal company wiki. The wiki engine being used is MediaWiki, the wiki engine that runs Wikipedia. Some of it contains IT stuff. One of the things i want want to have are hyperlinks to ...
0
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1answer
34 views

KVM bridged network cannot connect to the server

I installed KVM on my Ubuntu Server 14.04 LTS on OVH dedicated server. I cannot connect to my virtual host over ssh. My server IP: AAA.AAA.AAA.AAA My Failover IP: BBB.BBB.BBB.BBB My config on the ...
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0answers
110 views

Hyper-V Internal/Private vSwitch Traffic

The problem: I am unable to get traffic between a Hyper-V host and it's VM to utilize an internal virtual switch while an external virtual switch is also connected. Currently running a single Win2012 ...
0
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1answer
61 views

Cluster vs Virtualization [closed]

I’m working in releasing a video hosting website (files are from webcams) Each file size will be less than 1 mb. I would like to be able to easily extend my storage capacity and have high ...
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7answers
8k views

VMware Workstation guest OS (Windows) resets date/time to host on restart [closed]

Everytime I restart my windows guest machine, it resets the date/time to the host date/time. How can I change it permanently? UPDATE: Time sync is already disabled in VMware tools
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1answer
335 views

Ping (DUP) with Linux bridges and tap devices

http://imgur.com/qPoy2QJ I have two Linux (Ubuntu 12.04) VM (running on KVM) that networked together using two Linux bridges as shown above. The network interfaces are Linux TAP devices. The problem ...
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0answers
14 views

Prevent container from shutting down at console exit

As the manual clearly states, an LXC container automatically destroys (shuts down) itself when you exit the console. However, we're using these machines as servers (sshd, sometimes apache, ...) and I ...
2
votes
1answer
39 views

LinuxContainers arch-linux double login tty

Since upgrading to LXC 1.0 with the new Arch Linux template when I create a new instance I have a double tty when invoking: lxc-console --name <container> This is the output: Arch Linux ...
0
votes
1answer
974 views

Dell 12G R720 Hyper-V host virtual/physical NIC stops working

On the host 1 physical adapter is plugged into our network, on host itself I have Hyper-V role. I have created a external switch and binded it to the physical Broadcom NetXtreme Gigabit Ethernet, box ...
0
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1answer
362 views

Can I run virtualbox 64bit OS in a Azure Virtual Machine?

I installed VirtualBox 4.3.2 in my Azure Virtual Machine, but I can't open a 64 bit VM (Windows Server 2012 R2 64bit). Virtualbox send a message about not having vt-x support Can I configure my ...
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10answers
30k 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 ...
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1answer
88 views

Error when trying to install Ubuntu 14.10 Hyper-v VM from Virtual DVD .iso [closed]

I'm trying to install a Hyper-v Gen 2 Ubuntu 14.10 Virtual Machine via a DVD .iso that I have attached as a virtual DVD on my Windows Server 2012 R2 First, two things that I know will be asked: ...
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0answers
23 views

Ways to “paste” code to a VM Linux Virtual Terminal

as most of you probably know, a desktop-enviroment-less Linux Server Distro doesn't have a clipboard that VMware can use as the clipboard is part of X (i believe) and thus not available. I wonder ...
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2answers
3k views

Support for virtual IPMI in a VM?

This might be a silly question, but... Is there any hypervisor or other virtualization solution which supports a "virtual IPMI" for virtual machines? I.e. would allow access to something that looks ...
1
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1answer
39 views

Windows DHCP MAC-Range to Scope allocation

I wonder if there is any options to map a specific Range of MAC addresses to a specific DHCP address scope. The thing is, I want a specific scope for address allocation to bridged Virtual Machines ...
0
votes
1answer
118 views

How can I configure multiple tap interfaces for a single KVM virtual machine

I am trying to setup a VM using Linux KVM for a F5 BIG-IP VE deployment (used in a lab) ...
1
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1answer
67 views

hyper-v error manage VM

I have a problem in the management of the machines in Hyper-V, when I try to open the console I get the following error: an error occurred while attempting to launch the Virtual Machine ...
2
votes
1answer
3k views

hyper-v fails when attaching more disk to VM. The VM won't start and generates an error

I'm lost at what to do about this: Hi... System: Windows 2008 R2 Hyper-V farm running with failover cluster with a EVA 4400 as backend. When I attach a new disk to a VM it fails when I try to start ...
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0answers
19 views

What is the maximum number of VM which can be used for a single baseimage? [duplicate]

In my current project I am using KVM hypervisor and qcow2 as a base image. On that base image I am creating many VMs, say 100s of VMs. So, my question is that will that baseimage be a bottleneck for ...
0
votes
1answer
43 views

Cannot Properly Manage Server 2012 r2 Hyper V Core

http://i.stack.imgur.com/hYak5.jpg I have just installed the Hyper V 2012 r2 Core system. I was able to name it, add it to the domain, even RDP into it (which is just worthless). However, When I ...
0
votes
1answer
23 views

Native software on dedicated machine vs virtualizing services on dedicated machine

I used to have a VPS, and the benefits of a VPS are pretty obvious: instant snapshots, instant booting, instant and one click changes rollback (so if I mess up really bad, even losing network ...
4
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2answers
96 views

How to interpret values of Perfmon counter Hyper-V Hypervisor Virtual processor\CPU Wait time per dispatch

So there is a lot of guidance on the web that advises tracking the values of the Perfmon counter Hyper-V Hypervisor Virtual processor\CPU Wait time per dispatch as the nearest Hyper-V equivalent of ...
0
votes
1answer
330 views

“Target the specific user you will be using and assign it user id 0/group 0”

I am trying to virtualize an Ubuntu machine using VMWare vCenter Converter, but ran into permissions issues. I followed the instructions of part 1 and 2 on this page but when I got to "For Ubuntu ...
7
votes
7answers
7k views

Get list of DHCP clients with KVM+libvirt?

I have several VMs running on Ubuntu 9.10 via KVM+libvirt. I want to be able to find out the IP address that has been assigned to each host without physically opening a physical "console" to each ...
18
votes
1answer
531 views

Virtualized MS-DOS computers can't communicate over IPX

I converted 2 MS-Dos 6.22 machines to virtual machines. Both computers have software that communicates over NETBEUI and IPX (I came to that conclusion after inspecting autoexec.bat - It loads IPX ...
2
votes
1answer
355 views

How to retrieve virtual machines from a pool via API in oVirt (RHEV)

In oVirt (Red Hat Enterprise Virtualization) you can create a Virtual Machines Pool to allow your users to retrieve virtual machines from this pool. I found how a user, in the RHEV User Portal, can ...
0
votes
1answer
83 views

Newbie to KVM/oVirt/ovs looking for clarity

I have some experience with vSphere, but am looking to get up and running with KVM. I've been looking at using oVirt as a VCenter type manager but, being new to all things ...
2
votes
2answers
64 views

How to measure boot time of a VM from host machine?

On both Guest machine and host machine, I am using Ubuntu 12.04. As a hypervisor I am using KVM. I want to perform some experiments related to boot-storm and I have created all other scripts to ...
10
votes
11answers
5k views

Run virtual machines without a host

I know that I can have virtualization software (Virtual Box, Virtual PC) running on Ubuntu or Windows and run guest operating systems in it. Is it possible to run virtual machines without a host OS? ...
1
vote
0answers
109 views

Access to equally defined VM in different VLANs

I have a working libvirt cluster and in order to perform some paralellization I have duplicated it. At the moment my scenario looks like this: two clusters whose VM definitions are exactly the same, ...
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votes
1answer
494 views

Install ProxMox AND cPanel [closed]

I'm in the process of upgrading our server to something much larger. This new server has CentOS and cPanel/WHM installed by default. My question is, is it possible to install a VM solution like ...
0
votes
0answers
118 views

Backup KVM running machine safely

I read some solutions to make backups of running VMs, but all take offline snapshots that seems difficult that will work if the VM has high I/O load. I have tested but i have doubts about the process ...
0
votes
0answers
76 views

OpenVZ container doesn't start, “unable to read inode block”

I'm having some problems with OpenVZ/Ploop. Installed OpenVZ on a brand new thinkserver today. My /vz/ partition is ~5.2 TB large (4x2TB RAID 5). When I try to create/start containers ploop fails with ...
0
votes
0answers
21 views

VHD to physical disk conversion failed

We have had a happy HyperV running with several VMs until motherboard crashed. On another MB we had to install a new OS, of course HyperV does not see VMs. Tried to use VHD2Disk using a blank ...
1
vote
2answers
36 views

Nginx: possible to use SSL certificates from different authorities on one IP address?

I'd like to know if it's possible to have two Nginx virtual hosts sitting on the same v4 IP address. I know there exist SNI but I have two basic (no SAN, no wildcard) SSL certificates from two ...
1
vote
1answer
114 views

Create a local cluster with Vagrant/CoreOS/Docker

I'm trying to create a local environment for testing purpose composed of: a Vagrant CoreOS Cluster (3 nodes) a Docker container launched with an Nginx image loaded, launched on one node I've ...
0
votes
1answer
44 views

Hyper-v number of Virtual Processor (Virtual CPU) on Virtual Machine

VMware world recommends that you only add one Virtual CPU on each Virtual Machine unless that your application requires detect more than one CPU. Does this recommendation could be applied on ...
2
votes
0answers
66 views

Debian does not shut down interface with ip link set … down

I have a really specific question for a trunk-testing environment. I have this network setup: +------------+ +------------+ | | +-----+ | | | eth0 ...
0
votes
0answers
55 views

Xen server on hetzner with two public up and local virtual network

I use Xen server on my office with a Dell t310 with only one public ip. The public ip is assigned to the router that forward ports to a guestos running endian firewall that route traffic to an apache ...
4
votes
5answers
29k views

How do I resolve a 503 Server Unavailable connection error on VMware ESXi?

I have a VMware ESXi server which has been up and running for nearly 200 days. The past few days, when I try to connect to it using the VMware vSphere Client, I am unable to connect. After entering my ...
4
votes
2answers
367 views

How do I make all Xen guests use their host clock value?

I've set up Xen server under Linux with several guests running, and all was well. After some time I've noticed the clock on the server drifted away, so I installed 'ntpd', and the clock was back to ...
0
votes
0answers
26 views

No connectivity between azure VMs

In my azure environment, I have 4 VMsx running Windows Server 2012 R2 10.0.0.4 (AD, DNS) 10.0.0.5 (ADFS) 10.0.0.6 (MSSQLSERVER) 10.0.0.7 (IIS) All of the machines are connected by an azure virtual ...
0
votes
2answers
40 views

Multiple IP addresses on host and one on kvm

I've recently configured my network using advice from this question but now I need to configure this a little different. I'm using Debian distribution. I have one dedicated server with 3 IP addresses ...
0
votes
1answer
40 views

Ubuntu Subdomains on the Fly

We're a trying to accomplish the following on a Ubuntu Server 13.04 installation. We host SaaS apps for customers are are currently moving off shared hosting environments due to limitations with ...