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

learn more… | top users | synonyms (2)

2
votes
2answers
19 views

“Install” virtual machine guest os on host os

I have a host OS running Windows 7 and guest OS running Ubuntu on Virtualbox. What if I want to "install" my image of Ubuntu virtual machine as ordinary Ubuntu installation. Is it possible and how?
0
votes
1answer
42 views

Which is the most CPU-efficient virtualization solution on Linux? [on hold]

I am interested in the following problem: When running CPU-intensive tasks inside a virtual machine, there is a certain CPU overhead, i.e. the same task takes a slightly longer time to run inside a ...
0
votes
0answers
11 views

How to best configure virtual machine network

Background: I have the following setup: Mac (OSX 10.8.5); Bootcamp partition; Virtual Machine, VM, (using Parallels Desktop) that runs from the physical Bootcamp drive; I have some Cross-platform ...
0
votes
0answers
8 views

Virtual RedHat Can't Connect to the Internet

I've installed RedHat 9(linux v2.4.20) with Vmware Fusion. The installation was successful although I can't seem to be able to connect to the internet under RedHat even though my Mac is able to ...
1
vote
0answers
8 views

Add more than 10 vmnet in “vmware server” 2 [on hold]

I need to create an esxi 5.5 nested environment on win 2k8 and i would want to do it on vmware server instead of workstation. vmServer has "only" 10 vmnet adapters, but i've 15 nic on my physical ...
0
votes
1answer
14 views

Create an ISO image from a virtual device image

Oracle VM -> ISO I am using Oracles VM VirtualBox to good effect and have created several ubuntu machines created from an ISO image. My question is that I now want to go from a VM machine to a real ...
0
votes
2answers
40 views

Mac spoofing for virtual machine to trick my university's IT system

I need help in setting up Oracle's VirtualBox port forwarding and/or mac spoofing. I feel it's important to add that my knowledge is very limited in this field and that my question could even be ...
0
votes
1answer
12 views

Unable to get folder sharing to work under KVM Virtual Machine Manager

I've created an Ubuntu VM inside my Ubuntu using Virtual Machine Manager. I'm trying to mount a host directory in guest OS but it's not working. I used the instructions provided here: ...
0
votes
0answers
8 views

How to connect to VMs after the VMware Workstation UI got restarted by Windows?

Every now and then, this happens (part to blame Windows, part to blame VMware): the VMware Workstation 10 UI becomes slow you are busy with something else typing in a document Windows pops-up a ...
0
votes
0answers
7 views

Windows 7 VM not showing all cores on VMPlayer

I moved a physical Win7 Pro from a Pentium 4 (Hyper-threading) to VM Player running on a Core i7 (8 Logical cores). The problem is that even if I configure VM Player to use 4 cores, I still see only ...
1
vote
2answers
26 views

Apache runs locally but can't be accessed from other machine

I'm running Apache 2.2.3 in a VM for a test environment on CentOS 5. Apache is running and responding to requests on the VM itself. If I run "lynx localhost" on the VM I do get my test page. When I ...
1
vote
2answers
40 views

What will give the most increase in Virtual Machine performance?

Our IT staff has been given the task of improving the performance of all of the VM's used at our company. This includes those remoting into a hyper-v server and those using their own VM's on their own ...
0
votes
1answer
16 views

Use VMWare Workstation with different Internet Connection?

I have 2 different ISPs installed at my home with two different modems/routers and I'm trying to figure out a way I can use them separately on the same PC. Right now to try and accomplish this, I ...
0
votes
0answers
20 views

Making qemu look better

I have a machine running kubuntu, and use qemu to run a VM. It looks really bad as you can see in the screenshot. What can I do to make it better? I prefer solutions that don't require sudo access, ...
1
vote
1answer
26 views

Nested Virtualization

What I do: I want to write a kernel module that does stuff to the KVM data structures. But I don't want to run it on the real machine, so I run one guest, inside it I run another two guests, and want ...
0
votes
1answer
12 views

Installing Another Virtual machine on a virtual machine using oracle linux 5.8

I am implementing Oracle RAC using 11.2. For shared disc option and low cost, we are planning to use Virtual Machines. I have installed one virtual machine (PARENT) Specifications: Oracle Linux 5.8 ...
0
votes
0answers
14 views

Running virtual machines on a virtual machine

I would like to have several virtual machines, to start and stop them at will. But the base machine is itself virtual. Is this doable? Which virtualisation software is capable of doing this?
0
votes
1answer
15 views

Resizing physical partition from Virtual Machine

I would like to use a GParted live CD to resize some partition on my laptop. Unfortunately I don't have an USB disk/CD to write the image on. Is there a way to boot gparted on a virtual machine and ...
-1
votes
2answers
28 views

Using hard drive in virtualbox

I have a virtual-box virtual machine with Ubuntu OS. I have configured a vmdk virtual hard drive. I need to use a HD I added to my PC on my virtual machine. How can I mount this HD to my virtual ...
0
votes
0answers
31 views

Remote USB debug for Android

I intend to develop Android but my computer has limited capabilities (low on disk space and CPU resources), so I thought of the following: I use a virtual machine in the cloud (preferably Azure) ...
0
votes
0answers
13 views

VirtualBox Vista Guest can't see host network

I virtualized a Visa Ultimate machine and need to run it via Virtualbox on a Windows 7 host. Both are members of a domain administered by SBS 2011. For some reason the Vista VM would only see the ...
0
votes
1answer
17 views

In VMware does a shared folder between a guest and host OS take room on both file systems?

Let's say I have a host system with a 100GB of free space and a guest system with 60GB of free space. In the guest system if I were to download a 1GB file and put it in a shared folder, how would this ...
0
votes
1answer
24 views

How can i backup a ESXi VM to an attached USB storage

I have Esx installed on IBM 3450 server. I want to make backups of my VM on attached USB device in server. My network speed is very less so i can't backup and copy through network. Is it possible ...
0
votes
1answer
50 views

virtualbox: new host key combination not saved after change

I want to change my host key combination in the Virtualbox that is currently alt gr. To do so, I go to: file -> preferences -> Input -> Virtual Machine , then clicking on the field beside ...
0
votes
0answers
14 views

Accessing an unrecognized device in a VM from the host

I am running windows 8.1 and am using Oracle VM VirtualBox. My VM is running windows 7 because there is an even bigger issue with compatibility with fastboot and windows 8/8.1 . Anyways, my question ...
0
votes
0answers
13 views

Which port of esxi server i can use with veeam backup

I have esxi server on my server. I can connect to it via vsphere client suvvessfully. I have just installed veeam free backup and it tries to connect via same ip and port 443 But it says can't ...
0
votes
1answer
15 views

How can create virtual machine from ovf in ESXI via vsphere client

I had virtual machine exported in OVF format Then i went to vsphere client and click on Deploy OVF template. Then i choose the ovf from my local window machine and vmware starts uploading that to my ...
0
votes
0answers
15 views

A way to simulate slower pcs using my application [duplicate]

We are looking for a way to emulate a slow PC, using any virtualization technology. Our goal is to cap the network speed and simulate a CPU with fewer GHz.
1
vote
0answers
10 views

Is there a way to get host Hyper-V UUID from linux gest?

I have a CentOS 6.4 runing on Hyper-V VM. If I export the VM to other Hyper-V server, the UUID keeps the same. Is there a way to avoid this, or use other identifyer to know that the host hardware have ...
0
votes
0answers
10 views

Seeding RNG with clock in application running on virtual machines, reliability issues?

How reliable is using the current time to seed random number generators for applications to run inside a virtual machine. The application is not related to security, and the virtual machine settings ...
0
votes
2answers
21 views

Get a windows 8 host to access a website hosted in a windows server guest

I am running windows server 2012 as a guest(using Oracle Virtualbox) on a windows 8. I have a website hosted on the guest OS which i can access in a browser inside the guest. I would like to be ...
0
votes
0answers
8 views

Xenserver firewall consideration [migrated]

We are setting up Xenserver for a production environment with seperate VMs for a website, billing, control panel, mail. My question is, should we rely on each server's IPtables or is it necessary to ...
0
votes
0answers
9 views

How can i export virtual machine in virtualbox with snapshots

I have VM on virtualbox with 15 snaps shots saved. Now i can export to ova and ovf with export but that does not include all snapshots of parent VM. Is there any way so that i can put all snapshots ...
0
votes
0answers
12 views

Which Windows settings to apply inside a virtual machine?

I am looking for good settings to make within Windows when Windows is running as a virtual machine. My virtual machines are used in the following environment: used during Software development used ...
1
vote
3answers
40 views

Virtual Server or Not?

I have been in an argument with a very stubborn guy for a long time about whether his server is virtual or dedicated. He uses his Root server for gameservers, the servers have problems with lag. I ...
1
vote
0answers
33 views

SCCM 2012 R2 Task Sequence fails with error 0x80070032

I'm trying to capture an image for using in SCCM 2012 R2 to deploy computers in my organization. I have a build and capture task sequence set up and deployed it to my unknown computers. When I try ...
4
votes
3answers
846 views

Cannot Share host directory with VirtualBox Guest Mint 16 64 bit

Problem When attempting to mount a shared directory from Linux Mint 16 VirtualBox guest OS, I receive the following error: mount: wrong fs type, bad option, bad superblock on hostshare, ...
2
votes
0answers
31 views

RDP can't reconnect after connection drops

We have a number of development VMs running which we typically access through RDP. After a few hours the connection will drop leaving us unable to reconnect giving the following message: This ...
0
votes
0answers
12 views

Is it possible to do vm backups on external drive on esxi

I have Esxi on IBM x 3450. I have datastore where i have stored my VM. My requirement is backup VM on either USB drive attached to ESXI (NTFS) -- (so that i can plug USB anywhere) Network shared ...
1
vote
2answers
72 views

How to boot from CD even if BIOS doesn't allow this?

Recently I've helped user who had such problem: I have really old machine that has no USB ports and it's BIOS doesn't allow to boot from CD. However, it has Windows XP onboard. How can I install ...
0
votes
1answer
46 views

is ajenti a cpanel/virtualmin replacement?

i am looking for a website account management on a server; i own and manage an almost classic "reseller" shared host VPS; i host several "Accounts", each account has 1 subdirectory, own domains ...
1
vote
0answers
41 views

How to Installthe newly released MS DOS OS on a Virtual Machine

Since Microsoft have released the source of 2 old versions of MSDOS for free, I downloaded the ZIP, converted the contents of the v20object folder to an ISO, created a new virtual machine with ...
1
vote
1answer
165 views

Hyper-V Clipboard and Integration Services in Ubuntu

I have Ubuntu 14.04 running in Windows Hyper-V. I am experiencing a problem with the Clipboard (copy from host to Virtual Machine), it is not working correctly (It was not working with Ubuntu 12.04 ...
-3
votes
2answers
141 views

Where can I get windows 1.0 ISO file? [closed]

I am pretty curious to see and try out windows 1.0 as a virtual machine on my VMware Workstation, but am unable to get its ISO file. Can anyone please suggest me a good place(except search engines, I ...
0
votes
1answer
36 views

How can I learn how to manipulate files and directories in Sage using VirtualBox?

SuperUsers: I thought about posting this here and at StackOverflow, and decided that here was probably more appropriate. I'm not a computer person, and I rarely post either place. I could not find ...
1
vote
0answers
34 views

Vsphere Esxi 5.5 only shutdown permission to local user

I have created a normal user in ESXi, I want to allow that user to shutdown the ESXi server directly from console by pressing F12 key. I have given this permission (Host’ –> Configuration –> ‘Power) ...
0
votes
0answers
10 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
1
vote
0answers
19 views

VPN access kvm guests

OpenVPN is installed on my host system running kvm as virtualization and I've several guests with static/public (Bridged) and private IPs (NAT), every guest uses Samba to share some folders. how can ...
1
vote
0answers
17 views

Windows 8 Hyper-V sporadic network connectivity

I have a Windows 8.1 pro host and an 8.1 pro VM. I'm using an external virtual switch to allow the VM to connect to the network and get internet connectivity. When this works, all is dandy and I can ...
1
vote
0answers
21 views

Disabling annoying VMware Player tool tip “To release input, press Ctrl+Alt”

[Same as Hide annoying VMware hint "To release input, press Ctrl+Alt" but for VMware Player, because that answer was for VMware Workstation] When starting the VMWare Player, at the top it ...