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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problems pinging a hyper-v VM

On a Windows 2008R2 server, I am hosting another 2008R2 server VM using Hyper-V. The server appears to be running fine. From the host server, I can ping the VM: Pinging SRV-ADTEST ...
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108 views

How to access vm inside a vm via VNC?

For some reasons I installed virtual machines inside a virtual machine, like this: A( B( C )) where A is the physical machine, B is a vm and the network type is NAT. And C is also a virtual machine ...
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195 views

IP Forwarding and Routing in Windows 2008

I have Hyper-V running on a windows 2008. I got a new ip stack from the data center to be set on my virtual machines. But I have difficulties to set these IPs on my VMs because they are on different ...
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24 views

VBoxManage: write to filesystem

How can I write a file to a running virtual os? I'd like to write to the hosts file of the guest OS in order to set some aliases, is this possible? Thanks
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394 views

ping latency using vhost_net, macvtap and virtio

I have been testing network throughput and latency and I was wondering if my measurements are as expected. For the test, I used Fedora 17 for both host and guest, using kernel 3.5.2-3.fc17.86_64. ...
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2k views

File .vmx not found error when trying to create a VM snapshot after removing an independent volume

I had had a Windows VM having a second virtual drive configured as an independant volume placed on a second datastore on a VMWare ESXi 5 server. Then I have removed the second drive by removing it in ...
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89 views

MySQL hot backups on database inside a Virtuozzo container

R1soft's CDP doesn't currently work on MySQL databases inside a Virtuozzo container. Is there any backup software that offers the same kind of 'continuous data protection'? An alternative to this ...
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605 views

Running bridged-networking vmware player on a Linux machine with 2 interfaces

I have got a laptop running Arch Linux with 2 interfaces: wireless (wlan0) and ethernet (eth0). I use wlan0 to access internet (static IP, networking is configured using netcfg), and I connect a ...
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502 views

KVM: pass-through SATA hot-swap drive?

I have a SATA hot-swap cage in my Linux box. Is it possible to pass-through the SATA disk which is injected in that cage to a KVM guest? I have multiple disks however the SATA port will be always the ...
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225 views

Xen domU CPU Burst limits

We have a set Xen domUs for production and we have been providing different QOS for different clients and needs. We are able to limit the number of VCPUs and the network traffic. Now, we would like ...
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120 views

SR-IOV on bare metal, no virtualisation

I'm wondering if it's possible to take advantage of SR-IOV on bare metal hardware without using a hypervisor. In other words, being able to detect and use SR-IOV Virtual Functions as network ...
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807 views

OpenVZ Can't initialize containers after install

I have installed OpenVZ on centos 6 on a dedicated server. I followed quick installation guide on openvz wiki. After installing thru yum, I don't know why, but grub.conf wasn't automatically updated ...
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678 views

Error while creating VM using virt-manager on Xen

After a great struggle I got my XEN installed now I am using virt-manager and trying to create a VM. Since my H/W doesnt support full Virtualization using the Para Virtualization installation over ...
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239 views

Converting a VMware ESXi 4.0 Thin Provisioned VM to Citrix

I'm needing to convert a Centos 4.4 VM running on ESXi 4.0.0 to Citrix 6, however I'm not sure how to go about it as it's using thin provisioning. Normally, I'd copy the *-flat.vmdk files over to ...
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80 views

Virtual Network Interface

I have a question about setting up a customized network over virtual machines. I just have access to one cloud provider that gives me ability to load multiple virtual machines. Each user may have his ...
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2k views

How do I tunnel an HTTPS proxy through a virtual machine (VMWare)

I have a personal setup at home using VMWare Workstation. I also have a set of Virtual Private Machines that run Squid, and therefore provide me HTTPS proxy tunnels. Using Proxifier, I can tunnel all ...
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532 views

installation error in kvm

after installimg kvm ,i can't load guest guest operating system it shows the following error Unable to complete install: 'internal error Process exited while reading console log output: chardev: ...
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81 views

How to browse VPC website in host machine?

I'm kind of confused with the network adapters in Windows Virtual PC, I was able to browse my SharePoint website inside the Virtual PC, but I wanted to browse the website in my host machine, I wanted ...
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181 views

Networking OpenVZ VEs

I've got a host with OpenVZ installed on it with several containers. I want to set up a virtual network between some of them but without having to use any physical devices but I'm new to OpenVZ and ...
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60 views

Get IP-Adresse of bridged virtual machines

I'm using KVM with qemu/libvirtd for virtualization in my local network. Now I'm working on a script which should simplify the cloning and downloading process of virtual machines. For this I need to ...
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234 views

I/O Activiy in a virtual disk after close the Virtual Machine

I am seeing this behavior and I find it interesting. After I close a Virtual Machine on VMWare-Workstation, even closing the VMWware-Workstation console I see lots of hard disk activiy on of the ...
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59 views

Virtualizing a requested file

We have a PHP application that is encrypted with IonCube. This application calls an XML file stored in the same directory to get its configuration options. The license for the software allows us to ...
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1answer
604 views

VMWare Restart — Blank Screen

I am running VMWare Server on a Windows 2K8 server. I was wondering what the default behavior is for a restart or shutdown initiated from within the virtual host? Currently, when I restart the virtual ...
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102 views

UEC: Estimate VM CPU capabilities

Using Ubuntu Enterprise Cloud, how do I estimate the CPU capabilities that my VMs can have based on the server CPU? Let's say that I have a Intel Xeon X3440 ( http://ark.intel.com/products/42928 ). ...
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110 views

Is there a tool that take a set of VHD files, and that produce a base disk + differentiating disks?

On my Hyper-V R2 virtual platform, I'm often using differentiating disks to preserve disk space. Basically, I have this hierarchy of differentiating disk : OS 1.vhd Dev platform.vhd User 1 dev ...
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355 views

How can I set up my own DHCP subnet on Rackspace?

Update: As per grawity and MonkeeSage's comments, it seems my question was pointed in the wrong direction. I've updated the title and question below... I'm currently evaluating LXC as an option for ...
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942 views

setting CPU cache size and model for KVM guest

Is there any possibility to create a custom CPU model for KVM Linux guests, or at least to modify parameters such as cache size and model name? I know I can set CPU features, topology and pinning and ...
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483 views

How to create a shared disk across two or more virtual machines setup on ESX 4.1

How to create a shared disk across two or more virtual machines setup on ESX 4.1 ? My setup : 1. Created three virtual machines on ESX 4.1 2. All the virtual machines have RHEL5U3 installed. ...
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65 views

re-making windows-7 iso results in no ethernet controller driver

I am making an unattended installation of Windows 7. I've gotten a bug down to this: I start with a regular Win-7 Ultimate iso. If I install this manually on a VirtualBox virtual machine, everything ...
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284 views

running desktop in ec2

I am wondering if anyone has successfully ran any virtual windows7(or vista) OS's on their linux ec2 instance. We're getting a high memory large instance and I have one user who wants to run a .net ...
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398 views

One server 2 NIC's 2 different networks

I have a windows server 2003 box with 2 NIC's and I added a virtual machine running inside of windows on that box. I need that VM on a different network, so I dedicated the 2nd NIC to that VM and it ...
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197 views

Function of command vmware-vim-cmd vimsvc/connect?

Does anyone know the function of the command "vmware-vim-cmd vimsvc/connect (vimid)". I thought that after executing this command with correct virtual machine id, I will be connected to the shell of ...
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245 views

URL redirect to a virtual server on a VLAN

I have a production site, running off 10 servers. I've been given another virtual server on the same network as these 10 servers, to use for testing purposes. This server doesn't have it's own DNS ...
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176 views

Design of a hosting network

I am sketching a network design for a KVM hosting site, preparing for hundreds of virtual guests. In our current design, every customer (no matter if physical or virtual) reside on their own VLAN to ...
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1answer
589 views

Error: running qemu on powerpc

I have installed qemu-0.13.0 on x86 system. I downloaded debian-powerpc image from http://people.debian.org/~aurel32/qemu/powerpc/ and used it with this command $qemu-system-ppc -hda ...
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47 views

Microsoft VirtualPC Networking Issue

I am using Microsoft VPC running the supplied microsoft images to test IE6/7. The ip addresses that get assigned to these images are via dhcp and get valid ip addresses in my subnet. They can access ...
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1answer
164 views

need recommendation for running PHP/Zend based optimizer

Firstly, I must admit that I don't know much about setting up PHP beyond the basics. I have an Ubuntu 10.04 server system (hosted) running primarily as an FTP store for a commercial store software. ...
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685 views

How to remove MySQL from OSX Server?

Please be doubly sure that you've investigated this on OSX Server. http://www.apple.com/server/macosx/ Which is a different beast from normal OSX. OSX Server (not the desktop version) includes a ...
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126 views

What VM control panels support snapshots?

Which web based control panels provide snapshots? Please include free software and paid software < $1000. If you can, be specific as to if it supports: VMWare Xen Virtuozzzo OpenVZ Other ...
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1answer
203 views

Timing out when reverting VM Image from command line with VMRun.exe

Every time I try to revert Virtual Machines from the command line on my server, with the machine powered ON or OFF, the vmrun.exe hits the timeout after about 1.5 minutes. Is there a way to work ...
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1answer
103 views

Migrating a running production server to Xen, unmodified as a second HDD?

I have a production server which I am looking to virtualize via XEN. For this purpose I have purchased a new Sata HDD, in which I have promptly installed CentOS 5.5 x64 with XEN server installed. Now ...
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1answer
375 views

How should I approach consolidation of BEA WebLogic application development workstations?

I am hoping to gain some insight as to how I might virtualize/consolidate the desktop environment for my developers. Our dev/unit testing environment consists of a WebLogic server installed on each ...
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1answer
525 views

ERROR : OVM-2007 Oracle VM Agent is not active,

I have a server that I installed OVS(OVS Ver. 2.1) on it. I useing https to connect to the server-> https://localhost:4443/OVS but I can't create a server pool because this error appear : OVM-2007 ...
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1answer
145 views

How do I export my web-host's (VPS) filesystem to an image to load locally in a VM?

I'm a dev new to sysadmin, armed with root access to a linux box. I want to practice a bit on the configuration in a local virtual machine. What setup would I need to do this? My current idea is: ...
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1answer
266 views

RabbitMQ and persistence (blocking writes?)

I want to create a RabbitMQ server on a virtual machine (VMware) to be used in production. It will contain persistent queues. I'm wondering if it is a bad idea to store the server on a NAS that's ...
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1answer
37 views

KVM Server error

I have installed KVM server in Centos 6.4 and i have created gluster storage pool in that gluster storage pool i have installed some linux and window VM's i have assigned 1GB RAM and 20 GD virtual ...
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1answer
53 views

Implementing hardware virtualization for custom hardware

When using QEMU/KVM there are certain network adapters that are supported and emulated. If one wanted to emulate the guest OS's original network adapter (e.g - a Broadcom interface that was present on ...
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223 views

Import virtualBox appliance to KVM

Im new using KVM as a virtualization solution. Currently I'm using VirtualBox to manage my virtual machines in my personal computer, but I'm moving my virtualization to a Server, so I set up a Linux ...
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305 views

We have Solaris 10 VM in KVM (ProxmoxVE) how to check if Solaris is using all cores?

I'm trying to figure out is VM Solaris 10 (which is virtualized with KVM on ProxmoxVE) using all allocated CPUs? Host HW is Dell poweredge r720. And find a way how to check that for example gzip on ...
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73 views

How to interpret Task Manager in a virtualized environment?

I'm wondering about how Task Manager calculates CPU utilization in a virtualized environment. I can think of two ways: Count the number of cycles used and divide by the number of cycles available, ...