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.

learn more… | top users | synonyms

5
votes
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 ...
3
votes
1answer
398 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 ...
3
votes
1answer
212 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 ...
1
vote
1answer
28 views

CentOS as an xterminal

I have recently built a new VM on my CentOS 6.5 system. The VM has Ubuntu with ROS, the robotic operating system on it. I just wanted to experiment with ROS and I've been running some of the ...
1
vote
1answer
77 views

Installing Virtual machine on a virtual Machine

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 ...
1
vote
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 ...
1
vote
1answer
215 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 ...
1
vote
1answer
928 views

Setting up SMTP-AUTH & TLS in Postfix

So I have been in the process of installing a Postfix Server on my CentOS 6.2 Virtual Private Server. I have been following this tutorial: ...
0
votes
1answer
26 views

Vlan not connected to one network virtual machine to another network virtual machine

I created two ubuntu vm and I installed dhcp server on both the vm's. I configured the interfaces file and geting the ip address for vm1:10.192.1.2 and vm2:10.192.2.3 I have 24ports Switch. Now I ...
0
votes
1answer
123 views

Nested virtualization: run RHEVH inside KVM

I have laptop with 16GB RAM, trying to install Red Hat Enterprise Virtualization Hypervizor 3.3 on Virtual Machine Manager (KVM) based Guest, but it gives error "Virtualization Hardware not found" ? ...
5
votes
0answers
53 views

Where has my RAM gone & how to interpret atop's memory output?

For a while, I encounter RAM-shortages on my Debian webserver (VPS/virtual machine). This would not be unusual, if they happend on a regular basis. But they do not. Here's a chart from Munin: ...
3
votes
0answers
331 views

How do I setup an IP address on my virtualbox VM?

I have a VM which I run on VirtualBox like so ... $ VBoxManage startvm --type headless dev-006 ... and I can see that NIC1 is "Bridged" and setup like so ... $ VBoxManage showvminfo ...
3
votes
0answers
164 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 ...
3
votes
0answers
1k views

PCI passthrough with Xen

I am trying to run Windows XP in a Xen DomU virtual machine with a PCIe device, for which there are no Linux drivers, being passed through from a Debian Squeeze Dom0. My hardware supports ...
3
votes
0answers
324 views

Connect to a VPN from a Linux Virtual Machine

I am running an Ubuntu distro inside a VMWare virtual machine with a bridged connection on a Windows 7 host. What I am trying to do is to have the virtual machine connect to a VPN, but I'm not having ...
2
votes
0answers
103 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" ...
2
votes
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 ...
2
votes
0answers
143 views

VirtualBox appliance import locks up system

I have a Windows Vista x64 appliance that I am trying to import into the Open Source Edition of VirtualBox on Linux Mint 11 x86-64. The ovf file is 21.3 GB in size. The problem I am having is that ...
2
votes
0answers
321 views

Virtual machine hangs when trying to login after beeing idle for som time

I'm using Microsoft Virtual PC 2007 to run a linux virtual machine, but after some time I can't login to it -- not from the instance on the localmachine or ssh in to the machine. Both give the same ...
1
vote
0answers
19 views

Shared drive between two Linux virtual machines

Assume I have two virtual machines. How do I share a VMDK drive between them? What solution do you recommend? Outside OS with NFS share? Both of OSes see this drive as: /dev/sdb.
1
vote
0answers
164 views

Distributed video encoding with ffmpeg

I'm in a process of giving form to a very old dream of mine - to create an efficient and cheap video encoding platform. And following the great examples such as SETI@home, BitTorrent and BitCoin, ...
1
vote
0answers
39 views

How to load virtualbox video kernel module?

I have a virtual quantal (12.10) Ubuntu machine. Upon starting, it says in it its boot.log Loading VirtualBox video kernel module [fail] What is this component and ...
1
vote
0answers
23 views

A Way Around: Host Accessing Guest in Internal Network?

folks. I have installed a Linux virtual machine in VirtualBox with 2 adapters: vnet0 is a host-only network and vnet1 is an internal network. I am able to get the IP address given by vnet0. ...
1
vote
0answers
177 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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
0answers
113 views

omap3530/3630 emulation on QEMU for overo and beagle machines

On QEMU's source code for beagle and overo I can see that the cpu emulated is the OMAP3430. I will like to know if it's a way to make QEMU emulate OMAP3530/3630 cpu's for those machines? On bealge : ...
1
vote
0answers
153 views

Network in LXC not forwading through a bridge

I've got an LXC container, on the host I've got a bridge between the LXC container and eth0. The LXC container can ping it's Host 10.1.0.5, but can't ping the gateway of 10.1.0.2. The host is able to ...
1
vote
0answers
450 views

Problem getting Fedora to run in VirtualBox

I'm using Ubuntu 12.04 64-bit, trying to get Fedora 18 64-bit to run in the Oracle VM VirtualBox. I've got VirtualBox installed (via the .deb package available from the official site,) and I got the ...
1
vote
0answers
199 views

not all initrd.img's are born equal?

I am trying to get a Red Hat 5.8 box booting via pxe. The box is a virtual machine on ESX5.0 it has a Paravirtual SCSI Controller and VMXNET3 network driver. Now these drivers do not come default in ...
1
vote
0answers
148 views

Unmanaged VPS bought today. Sendmail not functioning correctly

I purchased an unmanaged VPS today. I moved my website on over, and when I try to send an email. It returns a blank page. Not to mention I had to install PHP myself. Apache was there, for some reason, ...
0
votes
0answers
30 views

Remote connection to RedHat virtual machine from other PCs in the network

I have installed a virtual machine RHEL 6.1 using Oracle Virtual Box on my Windows 7 Computer. I have set the network options to Bridged adapter mode, my host Computer (Win-7) is connected on my home ...
0
votes
0answers
29 views

Activate iSight in Linux Mint Qiana on a Virtual Machine

I'm trying to get the built-in iSight cam of my MacBook Pro 5,1 (running OS X 10.5.8 ) to run under the just-downloaded Linux Mint Qiana edition, which I have installed in Virtual Box (v.4.1.18, for ...
0
votes
0answers
14 views

Need commands to fetch Guest VM OS version from Xen and KVM

I m looking for the commands that can be executed to fetch the OS Version of the VMs running on the below Hypervisors. Xen (Not the citrix Xen server, but the Xen Sever hosted on a ubuntu Machine) ...
0
votes
0answers
12 views

Can we add ports to OVS AFTER the VM is created?

I wanted to write up a program where I can create VMs first using libvirt. Initially they would not be added to any network. Then I want them to be attached to an OVS bridge where I can specify the ...
0
votes
0answers
45 views

Fresh install of Fedora 20 on a VM, seamless mode seems to be broken

Previously when I installed Fedora, maybe 16 or so, in my VM and did seamless mode on my windows 7 box, I got the gnome 3 bar to show up at the top of my windows machine (so I could use it from ...
0
votes
0answers
83 views

Kioptrix Level 1: Determining IP information for eth0 failed

I'm trying to set up a Kioptrix VM in VMware Player, in order to analyze it from a separate VM using Kali Linux. The VM can be found on this page: http://www.kioptrix.com/blog/test-page/ When ...
0
votes
0answers
61 views

Ubuntu no connection after reboot

I cannot connect to my system after a reboot. It's a virtual Ubuntu machine only accessible by SSH. There is a gmrl rescue system installed and I got access to the disk. The only thing I can find in ...
0
votes
0answers
17 views

Is it possible to install RHEV on el6 clustered computer

Is it possible to use Linux (el6) clustered computer can be used as a hypervisor for RHEV 3.3/Ovirt 3.3? Cause, we can not combine RAM/CPU from two or more hypervisores to be considered as a one ...
0
votes
0answers
32 views

Copy and Paste between two guests in RHEV and/or VMware ESXi, is possible?

I do have two different setup: setup is with RHEV 3.3 and setup with VMware ESXi Is it possible to copy and paste between the two assigned guests to user, one guest is of Windows 7 and another ...
0
votes
0answers
64 views

Centos 6.5 laptop with multiple KVM on roaming networks

I have Laptop with CentOS 6.5 with 16GB RAM and many KVMs are created for testing purpose. Situation is I have to move from site to site, and due to that physically connected network eth0 to Host ...
0
votes
0answers
22 views

Allow users administrative access to some of the KVM VM's

I am running a KVM virtualization server on CentOS 6. How can I allow certain users administrative access (reboot, reinstall, erase) to only some virtual machines, but not other? I am using buth ...
0
votes
0answers
108 views

How do I install Arch using an older kernel? No ISOs seem to exist

This is my first time in Arch, and I'm following this tutorial: http://www.youtube.com/watch?v=KSGWiFOp_7o&list=PLj97-HQdMXyZSvMD1xRTqPEeh4nSA6dpC which is great, except that I can't go any ...
0
votes
0answers
261 views

kvm/qemu linux guest vm wont boot

host linux (kvm/qemu/libvirt) guest linux (slackware) the slack vm pauses just after Loading Linux-virtio...... message. it's stuck in paused state. i think i shutdown the host without shutting the vm ...
0
votes
0answers
54 views

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), ...
0
votes
0answers
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 ...
0
votes
0answers
115 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 ...
0
votes
0answers
403 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 ...
0
votes
0answers
75 views

How to start a GUI program in a VM with PHP

I have an Ubuntu 12.04 VM running on my online server where there is no display attached. I want to start Teamviewer there on that VM to get graphical access to that server. I guess I have to give ...
0
votes
0answers
629 views

Slow Internet Speeds with Backtrack5 R2 in VMware Workstation

I have been trying to get Backtrack5 to run smoothly on my new laptop and have run into a few issues. I have installed a version of Backtrack5 onto another laptop previously as the primary OS, and ...