A virtual machine is an emulation of a guest operating system, running on virtualized hardware within a host operating system.

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VM Player install not working

I try to install VM player and it tells me to reboot the machine, I think its because I installed and deleted it before. I want to run Teradata developer (so Oracle VM does not appear to be an ...
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37 views

Cannot download from browser inside of my VM

Just as the title states, I am unable to download anything from the browser from within my VM. Forinstance trying to download a windows program called ActiveX from internet explorer inside of my VM, ...
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53 views

Openvswitch: multiple virtual bridges over one bonding interface

My ultimate goal is to configure a RedHat 6.6 server with Openvswitch as shown in the following image: Interfaces configuratión files are: ifcfg-eth0 DEVICE=eth0 ONBOOT=yes NM_CONTROLLED=no ...
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19 views

Need to reduce disk space used by Hyper-V virtual machine. Any ways to do this?

My Hyper-V server runs on Windows 8.1 Pro. There is a virtual machine I'm running, that's so important to me that I've taken about 8 snapshots. It is about to exceed the disk space on a 240 GB SSD ...
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1answer
31 views

Unable to resume KVM guest after rebooting host

I'm running KVM on Linux Mint 17.1, kernel 3.16.0-31-generic. The only guest is a Windows 8.1 VM. I've noticed that if I reboot the host while the guest is running, I'm unable to resume the guest ...
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1answer
50 views

Cannot access Win7 Oracle Database from Ubuntu VM

My main (physical) machine is Windows 7. I have installed a "homestead" Virtual Machine using VirtualBox so that I can develop a Laravel application in the VM. Homestead (the VM) runs Ubuntu 14.10 ...
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11 views

how to find IP address in Nat configured Vm using bridged network vm?

Here i have question is Bridged network vm is Kali linux Nat network vm is linux version os installed. Please let me know one thing how to find Nat configured machine IP using Kali linux vm's ...
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1answer
14 views

Can I inherit iptable rules on/under windows?

Don't really want to purchase a VPS just to test some iptables stuff for my gameserver. Was curious if it's possible to load up debian on vmware player and install nginx, nodejs, mysql, etc (which is ...
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23 views

Trying To Run a VM On Ubuntu 14.04 LTS

I cant seem to run a VM on Ubuntu 14.04 LTS, virtual box is reporting "Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITEABLE)." I have tried all the fixes I could see on the bug reporting page of ...
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49 views

ESXi 6.0 and VM performance and oversubscribing resources (cpu/memory)

I have plans to buy a SuperMicro Server 5018A-FTN4 with 2.4GHz 8c Atom, 32GB (4x8) DDR3 Memory, and with 4 x 2.5" 750GB WD Black Drives. I do not want to run SSD's because ESXi does not support TRIM ...
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1answer
23 views

Setting up cluster with vagrant

I want to create a cluster of 4 CentOS VMs using Vagrant. I installed Vagrant and VirtualBox on my Widnows machine, downloaded the CentOS 64 box and created the cluster. Steps: Execute 'vagrant box ...
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24 views

How to find IP address of VMware ESXI server from a guest VM hosted on it.? [duplicate]

I have a Windows VM hosted on a VMware ESXI 5.5.0 server. I forgot the IP address of the ESXI server, now I am not able to access it from VMware client. I only have IP address of the guest windows VM. ...
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1answer
42 views

SSH issues when launching windows8.1 VM from vagrant

As described on title, I'm having some issues launching a win8.1 VM with Vagrant, where SSH never connects. The console display the error below: default: Warning: Connection timeout. Retrying... ...
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11 views

Google Cloud Instance web ssh Terminal Scrolling

For google cloud instance VM, the ssh terminal always doesn't automatically scroll to the very end. This becomes really annoying when the systems print out long info to terminal or you type so many ...
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1answer
39 views

VPN remote access to lan

I am rather new to this. I have done some it/cyber defense competitions in the past and have some knowledge. I am trying to set up a group of about 5-6 xenserver boxes. I want to use xencenter to ...
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2answers
42 views

What does it mean when a virtual machine can only run on x86 hardware? [closed]

I am learning about different kinds of virtualization. As I learn about this concept I am often times presented with documentation that says the virtualization software "requires x86 processors". I ...
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1answer
27 views

Can i install Hyper-v on a Virtual Machine with Windows Server 2008 or 2012?

I need to install Hyper-V on a Virtual Machine to have different OS to try my programs.My Virtual Machine is Windows Server 2008 R2 but if i need to i could change it to 2012.Could you explane it ...
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33 views

Error opening Ubuntu 12.04 LTS on VirtualBox version 4.3.16

I was working on my Ubuntu/Virtual Machine, when my laptop battery has discharged. After that moment, when I try to open Ubunutu on Virtual Machine I get the following error: There is no virtual ...
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11 views

Finding maximum number of VMs that we can run on a machine

Goal Goal is to find out total number of VMs that we can run on my machine which are generating given amount of load. Problem I want to generate some load inside the VM, say 25% of alloted cpu, 10 ...
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1answer
39 views

Trying to create a Big Endian environment using solaris 10 SPARC VM in Windows8 Host

I need a Big Endian system for testing. I am planning to create a Solaris Virtual Machine by installing Oracle Solaris 10 ...
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1answer
190 views

firefox 38.0.1 runs slow in virtualbox guest windows

I am making a new windows virtualbox image today, and just installed firefox from https://www.mozilla.org I have used firefox for years, and it has always being very fast and as responsive as my cell ...
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1answer
325 views

Error when starting VirtualBox (Unable to load R3 module)

I'm aware this question has already been asked, but the answer points to a website that is currently down and is relevant to a VirtualBox version that's old and irrelevant to my version/problem. I'm ...
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1answer
23 views

No Internet connection on VM

I can't seem to connect to the internet on my VM which is running Windows 8. I followed most of the instructions that I've found on Google or YouTube but it didn't seem to help. I can have a wired or ...
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2answers
45 views

Is it safe to install two different VirtualBox Guest Additions at the same time?

I was wondering if it is safe to install both Windows and Linux versions of VirtualBox Guest Additions? I searched around in google but couldn't find an answer. I need to make a vbox image that ...
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9 views

VMware - Debian 7 Wheezy System Manufacturer and System Model

For a Linux VMware Virtual Machine (vsphere), I'd like to change the "System Manufacturer" and "Model". I do not want to show the original biologic. Instead I want you to write the name of the bios ...
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30 views

Create an Azure Linux VM with a large os disk?

Does anyone know how to resize an OS disk on an Azure Ubuntu VM? Currently it's 29.3GB and I'd like to make it larger or create a new VM from a VHD with larger disk? Please know that I do not, at ...
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35 views

Self-created VHD image file won't boot in VirtualBox

I've got an old small form factor PC (x86). It boots from a CF card. I'd like to develop software for it but I don't want to use it for debugging since I might brick it. This is why I've tried ...
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17 views

How to determine if a clone of a VM is a linked clone or full clone?

I have two VMs . One is clone of another . How do I find if the given VM is a full clone or a linked clone of that VM as I want to delete the VM from which clone was created to manage disk space and ...
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1answer
18 views

Sharing existing ubuntu folder on host guest with Virtualbox

I am familiar with sharing directory between Ubuntu guest machine to host machine. But now I need to shared an existing ubuntu folder with the guest machine. I don't understand if and how it can be ...
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23 views

Connect Internet to Multiple HyperV VM's

I have 7 VM in HyperV 1 CentOS 4 Ubuntu 2 Win8.1 I want to connect all these VM's to internet. Internet is working on 1 VM only. DHCP is enabled in Virtual Switch advance options. Any help ...
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2answers
43 views

vmware work station 10 - how to make it faster?

What are general strategies to make vmware workstation faster? I am running Fedora 10 inside it and recently it has become very slow. I have allocated around 1.4 GB ram for virtual machine. My ...
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16 views

VirtualBox VM slow when not focused

I have a CentOS 6.6 VM set up using VirtualBox on my mac, it's command line only, no X. It generally works really well but I've noticed that it is sometimes very slow when I SSH (using terminal) or ...
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1answer
61 views

Virtual Box Bridged network failed to get IP (DHCP) No DHCPOFFERS received

I am newbie in networking and virtual box configuration, I have spent several days dealing with this problem. My goal is to get Bridged network working. When I try to UP interface in my Virtual Box ...
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18 views

Virt-manager guest hangs, when host system sleeps and then wakes-up

I run virtual machine manager - v0.9.5 on ubuntu 14.04 (host) and there is Centos 7 up and running as a guest. The host machine goes to sleep (when i close the laptop lid) and then wakes up. On ...
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1answer
44 views

What is causing this Ubuntu boot failure?

Got this screen, it doesn't react. I cannot move further at all. I've searched extensively online, but didn't didn't find anything helpful. I thought it's a connectivity issue between my screen ...
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49 views

Can we use Ceph or Gluster FS to avoid IO bottleneck to start many VMs?

AIM: I want to start 50s of VM on s single server or on a set of PCs. Scenerio: I tried to boot 15 VM on a single server with enough computing power(processor) and RAM but disk is a bottleneck in ...
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1answer
29 views

Can't find one virtual machine whose network IPV4 is DHCP enabled

I had a virtual machine which I connect remotely from my windows machine. Virtual machines TCP/IPV4 property was assigned one static IP address by the network administrator. I have changed that from ...
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22 views

Get iso file from virtual machine

I have VMWare inside which I am running fedora. I want to make a copy of this virtual machine .iso file - so that I can run this image on another computer. e.g. Basically I want to run instance of ...
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13 views

vmware changes usb data structure

I have vmware on my Windows 7 and I connected my usb device to my virtual machine (win 7) but some functions of my usb device don't work correctly on vm so I analyzed my usb output data using Putty ...
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2answers
45 views

Interacting with VirtualBox using phpVirtualBox

I have VirtualBox up and running on my Linux machine. I've installed Apache and PHP, and have http://sourceforge.net/projects/phpvirtualbox/ up and running. I created a new virtual machine using ...
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12 views

How to mount a Virtual USB drive to a Virtual Machine?

I have created a Virtual USB drive using IMDISK referring to "Is there software to fully emulate a USB hard drive?". Is it possible to connect it in a Virtual Machine? I have tried but there is no ...
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1answer
176 views

RemoteFX from Windows 8.1 to Windows 10

Is it possible to use RemoteFX if client is Windows 8.1 Pro and virtual machine is Windows 10 Generation 1? I don't see RemoteFX options in Hyper-V Manager or RDC? How I can enable RemoteFX? Can I ...
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1answer
44 views

Can't Log in to azure VM running Linux from OS X

I´ve been trying to log in to a VM running Ubuntu in Azure from OS X through SSH verification. But when I try to connect to the virtual machine I get a Permission denied (publickey) error. To create ...
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2answers
37 views

DNS problems with a static IP configuration in a VM

I am using Parallels Desktop 10.2 for Mac on OS X Yosemite. I am trying to configure my my client (Ubuntu 14.04) to host a website that is available to the host via a particular domain name. In the ...
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106 views

Simplest way to setup my own remote private git server

First of all, I've read all the git-server-setup documents on the internet, but still, there is one thing missing -- I want to setup a simple GIT server in (Ubuntu) Virtual Machine for myself, not for ...
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1answer
29 views

VirtualBox and non-system disk fragmented to 41%?

I've installed VirtualBox reccently and have been playing around with installing different systems and working with them. I've created five different virutal machines: Windows 10 Technical Preview ...
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42 views

Windows 7 keeps turning off Aero theme, how to disable such annoyance [duplicate]

I run my daily work load in Windows 7 inside a VMware Workstation 11.1 VM, with 3 monitors(VM using all 3 monitors in full screen mode). The graphics performance inside VM is not so fast, and quite ...
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1answer
84 views

Gparted cannot resize extended or LVM partiton

I created a VM using VirtualBox and realized it was small. So, i managed (after some time) to create a new, bigger HD. Live GParted CD image (v.022): Now I need to integrate the unallocated ...
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45 views

Is there anyway to install a software inside a VM?

In my system I have 100s of virtual machines and I want to install a package uniformly inside those VMs, same version etc. I may not have the passwords for those VMs, becuase different users may ...
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1answer
83 views

Can't mount VMware tools cdrom in VMware Player

I know this should be easy, but I'm having a hell of a time figuring out where the vmware tools cdrom is (for instance it's not /dev/cdrom) and so I can't figure out how to mount it. I'm on Kali ...