A virtual machine (VM) is a guest Operating System running in a completely isolated environment within a normal host operating system. Modern virtual machines are implemented with either software emulation or hardware virtualization or (in most cases) both together.

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Scripting vmware-player with Windows in Linux

I have a Windows XP virtual machine, that I run with vmware-player on Linux. In the virtual machine, I have a .bat script that reads some input from a given place (insite the machine's virtual disk), ...
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154 views

Where are my emails stored on CentOS 5.6

I have a CentOS 5.6 VM installation and currently have a handful of emails that I would like to get access to. When I run mail as root, I get: [root@dev mail]# mail Mail version 8.1 6/6/93. Type ? ...
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178 views

Pentesting from a virtual machine, hiding the host

I want to install Kali Linux as a virtual machine in VirtualBox for pentesting wireless routers and network hosts. I want to hide my host OS, which is Windows 8, so that other machines see my computer ...
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0answers
80 views

sharing folders in virtual box

I'm trying to run a Linux Mint guest inside a Linux Mint host(both 64-bit). I've installed Guest Additions etc. But I'm not able to access the shared folder. sudo mount -t vboxsf kernel ...
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1answer
103 views

VirtualBox Package to DL for Linux Mint

I am trying to decide which edition of VirtualBox to download. I am currently running Linux Mint 16 Petra MATE and am wanting to install Windows 8.1 to a VM to use Visual Studio for some of my course ...
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170 views

Creating a private network for internal VMs

I am trying to configure a private network for use with my Xen VMs, in addition to the public network in use by another of the VMs (VM1, which has its own public IP). So far, I have the public side ...
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1answer
147 views

Install a basic CentOS VM on Fedora 19 with libvirt

I would like to install a CentOS 6.5 virtual machine on my machine, only with command line tools and basic networking capabilities, i.e a way to have http and ssh connections between the host (Fedora ...
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0answers
1k views

Connecting to a serial port with VMWare ESXi and Ubuntu

Using VMWare ESXi 5.0.0, having a guest OS Ubuntu 12.04.3, upgraded to the date 05 january 2014. I've added "Serial port 1" to the Ubuntu 12.04 guest OS (let's call it "MyUbuntuPC"). Serial port 1 is ...
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3answers
1k views

Having issues installing Kali Linux in Virtualbox

Trying to install Kali Linux in VB and it freezes. I believe I have the correct version and a good ISO because it comes up and allows me to navigate to "install" Once I press enter, all that happens ...
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153 views

Xubuntu 13.10 on Dropbox

I have a Mac OS X 10.5.8, and I would like to use Linux on a virtual machine. I use Dropbox, and the most modern version I can run on my PC is Version 4.1.8. I created a virtual machine running ...
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1answer
111 views

Run a GUI OS via a hypervisor from a Linux server terminal?

Is there a way to run a VM hypervisor, such as VirtualBox directly, from say, CentOS? Let's suppose that I want a high-efficiency server, but it can host guests with GUI-enabled OS's. Additionally, ...
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1answer
619 views

Mounting another VM's .vdi in VirtualBox

I have two VMs in VirtualBox. For exmaple, VM 1 runs Red Hat, and VM 2 runs Ubuntu. For the Red Hat VM I have redhat.vdi and redhat2.vdi, and for the Ubuntu VM I have ubuntu.vdi and unbuntu2.vdi. ...
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1answer
1k views

How may I Obtain a RHEL/CentOS in OVA Format?

My company has an internal cloud that provisions VMs either in an OpenStack (KVM) or a VMware (ESX) hypervisor. It already provides RHEL 6.4 on the KVM, but I've used up the max number of VMs from ...
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0answers
106 views

Why PowerVM LPAR CPU utilization is negative

For a specific case I compute an PowerVM LPAR CPU utilization to be a large number less than zero. I am fetching the lpar sample event using: lslparutil -r lpar -m P750 --filter "lpar_names=i5lp5" ...
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2answers
901 views

Need IP for my Virtual Machine

I want to scp to my virtual machine (CentOS 6) from my Windows 8 machine. I have installed VMPlayer and installed CentOS 6 on my machine. I have enabled Bridged adapter setting, but I still can't see ...
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3answers
308 views

Different ARP results between host and virtual machine

Recently, using VMWare Player, I have configured a Linux virtual machine on a Windows host. I set the network adapter to be a bridged network with the Replicate option checked. The IP address was on ...
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2answers
71 views

Virtualize Windows on Fedora and let Windows see real hardware

My question may be weird. I want to know if there is some virtual machine that lets me install Windows 7 under Linux and lets Windows use, as a virtual device, the same device that is really installed ...
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1answer
21 views

where to put some script to run before VM Suspend?

I have run one shell script before the vm suspend. How to do this? Where to put this shell script so that it will run before the VM suspend .
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1answer
4k views

Installing Android-x86 on a USB (not creating a Live USB)?

I want to carry around an Android OS install on a USB so I can have a Google Authenticator with me everywhere I go since I don't own any mobile devices. The idea being that I can run Android through ...
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1answer
118 views

How to execute some shell script before VM suspend?

I have created one Centos VM. And I have created some IP aliases. Once I suspend and resume the VM my IP aliases are all going down. So I just want to capture the aliases address before suspend and ...
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2answers
328 views

How can I fill the free space with zeroes in Ubuntu 12.04 (ext4)?

I use windows server 2008r2 with role Hyper-V. The guest system is Ubuntu 12.04 LTC. It is situated on the dynamic virtual hard disk (2TB). The size of this vhd is 360 GB. But the real size is about ...
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2answers
145 views

Install OpenSUSE 12.3 on a Virtual Machine

I am trying to install OpenSUSE 12.3 onto a (VirtualBox, on Windows) virtual machine. I have tried both the Net Install (-NET) and LiveCD (Gnome) installs. The installations proceed almost to ...
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1answer
404 views

How to make use of a real PCI modem in a Virtual Machine?

Is there a way where I can use my PCI modem in a virtual machine on an ubuntu 12.04 host box? I have installed Ubuntu 12.04 on the host and I want to use my PCI modem on a guest virtual machine. Can ...
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1answer
217 views

How to use redobackup without free partition

I had a spare 250GB drive a while ago from an old Windows Vista computer. There wasn't much data on the drive. I wanted to use it for a new OS in my computer, and I was in a rush to use it, so I ...
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1answer
355 views

Starting rng-tools in SLES guest in VirtualBox

I am trying to start rng-tools in a SLES 11 SP3 installation inside of VirtualBox. vagrant@sles11sp3x64:~> uname -a Linux sles11sp3x64 3.0.93-0.8-default #1 SMP Tue Aug 27 08:44:18 UTC 2013 ...
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1answer
45 views

Reach service on VM with private address

I have this configuration: source: https://www.lucidchart.com/publicSegments/view/5256a1e5-afb0-4c7a-96fa-35750a00527d/image.png Basically, I have to reach a service which is running on the virtual ...
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2answers
4k views

Copy-paste between Hyper-V guest and host

My computer runs Windows Server 2008 R2. It hosts a Hyper-V virtual machine running Ubuntu 12.04 as the guest OS. I want to copy text from Ubuntu and paste this text in Windows (and copy text in ...
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116 views

fstab doesn't mount after boot of a virtual machine

I created virtual machine out of WordPress turnkey appliance (I believe it's based on Ubuntu) inside Virtual Box. I am able to mount a folder on turnkey from the host (Windows7) manually. So I added ...
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1answer
213 views

Can't boot properly after moving all files off then back on my VM drive

I have created an Ubuntu 12.04 32-bit VM in VirtualBox with a .vdi disk. I then mount this disk with qemu-nbd and move all the files off it; then back onto it. When I boot the VM again I get varying ...
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1answer
643 views

Measuring CPU %steal on VMware and Hyper-V hypervisors

For Xen Linux guests, %steal time is readily available via top and other utilities. Is it possible to get this and related metrics from within a Linux guest when running a non-Xen hypervisor such as ...
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2answers
2k views

How to Add Extra Disks on KVM based VM

I installed Redhat 6.4 on KVM Server. Right Now there is only One Disk /dev/vda. Now I need to add extra Disk like /dev/vdb I tried adding New Volume but it is not showing when I do fdisk -l How to ...
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1answer
542 views

Can virtfs/9p be used as root file system?

Is it possible to use a folder shared from the host to the guest via virtfs/9p as the root file system inside the guest? Loosely related to my previous question: Can virtfs/9p be used to share the ...
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1answer
233 views

Can virtfs/9p be used to share the same host folder with multiple guests?

So far I have resorted to sharing host folders with the KVM guests via Samba. Now, reading up a bit on it, it appears that "VirtFS (Plan 9 folder sharing over Virtio - I/O virtualization framework)" ...
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0answers
79 views

PowerVM lpar specific cpu/mem info

I want to get the CPU and memory allocation information from lpars of PowerVM through HMC. I have used lshwres -r proc -m <ms> --level lpar lssyscfg -r proc -m <ms> The fields of ...
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414 views

In virtual machine manager, is there a way to add disk space to an existing disk?

I know that in virt-manager you can add RAM and processors to the virtual machine, but is there a way to increase the available disk space larger through the GUI? Edit: @slm was able to find the ...
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7answers
3k views

Easy way to determine virtualization technology

I have command line access to a Linux machine which may or may not be virtualized. I want to determine what kind of virtualization technology it runs on, if any (VMWare, VirtualBox, KVM, OpenVZ, Xen, ...
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3answers
871 views

Boot my kernel in a Virtual Machine?

I'm learning now how to compile and boot linux kernels. Is there a way to boot kernels in a virtual machine, rather than messing my system? I use VMWare Workstation on Windows 8. Can I use that to ...
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1answer
961 views

Can't do chown/chgrp/chmod on shared dir in VirtualBox Ubuntu 10.04

I installed Guest Additions on my Ubuntu 10.04 VM running out of VirtualBox in order to enable directory sharing, following these instructions. Set the shared folder in the VirtualBox GUI and it ...
3
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1answer
428 views

Can VirtualBox return IP address for launched VM?

I would like to start my VM from the command line and without the GUI using the following command: VBoxManage startvm <MY_VM> --type headless and the SSH into it from the next prompt. The ...
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2answers
507 views

Is there a convenient small Unix virtual machine I can install as an Android app?

Ubuntu for Android seems to be missing in action. I'm travelling tomorrow and I need to take a basic Linux machine with me. I'd rather just take my tablet than a laptop. So is there a reasonable ...
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2answers
1k views

Physical host or VM [duplicate]

Is there a way to tell whether a host is a physical one or a VM and which virtual container it is running out of (e.g. VirtualBox or VMWare)? I was wondering if that info may be in /etc some place.
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1answer
1k views

Guest addition already installed in Linux mint

I have recently installed Linux Mint 14 on a VirtualBox VM and it seems that guest additions are already installed. I did not install them. How is this possible? Does Linux Mint know that it is ...
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2answers
378 views

Solaris11: Alternative to xVM Hypervisor?

AFAIK, support for the xVM Hypervisor - basically Xen - has been dropped in Solaris 11. Is there an alternative/replacement for it? How does it compare to Xen? Obviously there is zones if you want ...
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2answers
2k views

Where do I find versions of Turnkey Linux made to run on 32-bit VirtualBox?

What I found on the main site turnkeylinux.org/core is the file turnkey-core-12.1-squeeze-amd64-vmdk.zip which I suppose is for 64-bit OSes (corrections accepted..).
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1answer
2k views

sendmail through virtual machine

I am successfully performing some very basic SMTP sending in my machine with a basic Python script: .... things ... try: smtpObj = smtplib.SMTP('localhost') smtpObj.sendmail(sender, recievers, ...
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1answer
288 views

Virtualbox: Find Windows host DNS name on Debian guest

I have a Debian Squeeze guest system running on a Windows 7 Professional host, a notebook computer. As a web developer, I need to mount my Windows project root folder into the Debian system. ...
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2answers
1k views

CentOS VPS - Pointing my Domain name to the VPS static IP

I am a Linux Newbie. I have a VPS with CentOS installed at my ISP and I am managing it remotely. Up to this point, I have had shared webhosting on a Linux machine at my ISP where I had CPANEL ...
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1answer
360 views

Convert Debian Live USB persistent filesystem to a standalone installation

How would I convert a persistent filesystem (live-rw) from a Debian Live USB to a standalone, bootable installation that can be run on a VM? What I've tried Chrooting and installing a bootloader ...
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1answer
51 views

Is there any way to deploy an virtual machine software via command line on centos3

I have a centos3 based legacy distribution with all the desktop environment removed. I have only access via command line. I am now asked to run a centos 6.1 distribution on a virtual machine on this ...
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2answers
2k views

cannot create symbolic link on CentOS 5.6 - File exists error

I am trying to setup a symbolic link on my CentOS 5.6 machine to point dev_crmpicco/ to ~/vhosts/dev/dev_crmpicco/web/ I am using the following command: [crmpicco@devel dev]$ ln -s ...