0
votes
1answer
60 views

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

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
23 views

How do I get Xen domU guests to have internet access?

How do I get Xen domU guests to have internet access? What tools can I use to diagnose the problem? Are there log files I can examine? (I'm new linux and networking and VMs. Please execuse me if I ...
0
votes
0answers
6 views

Is it possible to clone the linux virtual container from within the container

I have given one linux ubuntu virtual container. The conatiner uses Docker http://www.docker.io/ Now i have deployed all my sites and settings in there. But now i want to have that exported as ...
0
votes
0answers
164 views

Multiple Linux distributions return “Fast TSC calibration failed” when running on Hyper-V

Client Hyper-V on Windows 8.1 Pro host with Intel Core i7-4800MQ processor. Several Linux distributions, including openSUSE and Kali Linux, return the following error message when booting up in a ...
-1
votes
1answer
29 views

Is Intel Server board sh3200 with xeon x3220 good for virtualization? [closed]

I am wondering if the sh3200 and xeon x3220 will run virtualization well. I have this server running and it's fine but I want to throw on some virtual servers. My plan is to run linux/ubuntu with ...
0
votes
0answers
52 views

How can I use a virtual sound card without the hardware?

I'm trying to generate and stream audio+video via aconv to a remote location such as Youtube from a headless linux server, which will then be multicasted out to the internet at large. I have ...
1
vote
1answer
33 views

Is there any way to virtualize a Linux installation on another partition?

The basic idea is like this: run another Linux installation as if it was in VirturalBox or VM ware. With "chroot", I can do something similar. For example, I can mount the partition where Arch Linux ...
0
votes
0answers
16 views

Optimal config for VM host

I'm facing a big issue when I start my windows virtual machine. I noticed that there are a heavy disk usage, and in consequence the host desktop os is freezing and I'm not able to get back "commands". ...
-6
votes
5answers
162 views

The Linux + Windows Issue

I face a problem. A common one. I want to use Linux for pretty much everything it's good for. But I also want to use Windows for the things Linux currently can't do. I'd like to be able to instantly, ...
0
votes
1answer
72 views

Virtualization and Linux Terminal [closed]

Intro I'm new to virtualization, been reading about Xen, KMV, QEMU, VirtualBox, VMWare and others. I still don't know which to implement or how, thus the post. What I want to do One physical PC ...
0
votes
2answers
119 views

Expose virtual machine to internet [pentest lab]

I would like to create a virtual machine using virtual box for making a hacking lab and allow someone to try to hack it from internet. (So the virtual machine would be the victim). How can I do that? ...
2
votes
2answers
331 views

How does one measure resource contention between Virtualized Systems/VMs on the same Host?

On numerous occasions I have faced the question whether the virtual machine I am on is being affected by other VMs running on the same VM host. I understand that even in a perfect scenario where ...
0
votes
1answer
167 views

Headless hypervisor installation

I currently have an HP ProLiant Microserver set up at home, for standard tasks - a simple Linux distro, running a few services (Transmission, Sickbeard, etc.), hosting a few websites, e-mail, and ...
0
votes
0answers
301 views

'skb rides the rocket' in a Xen guest

I've just set up Ubuntu 13.10 server as a VM on my Ubuntu/Xen server, and I'm getting these weird lines in my guest's syslog. Nov 12 10:26:32 human kernel: [130782.315333] xennet: skb rides the ...
1
vote
1answer
241 views

Docker, start image from scratch

All getting-started guides for Docker based their docker images on someone else's. However, even the base image has 180MB of virtual storage there. So, I'm wondering, is it possible to start my ...
0
votes
1answer
46 views

Virtualization software that supports mounting host zfs zpool

what virtualization software should be used for a guest operating system (preferably BSD) that supports mounting host(Linux) zpools in the guest OS? I am aware of the vmware ability to mount hard ...
1
vote
0answers
105 views

Virtualizing Windows with VT-d to play within it

I would like to know if what I want to is possible. First, here is my hardware configuration : MB : Gigabyte H77-DS3H Intel Core i5 3330 (3.00GHz) MSI Nvidia GTX 760 8 Gb RAM 1333 MHz What I want ...
0
votes
1answer
340 views

QEMU and the Raspberry Pi

[I re-titled this for posterity, since it does turn out to be somewhat raspberry-pi centric] I'd like to try QEMU as an alternative to cross-compiling. I'm using v. 1.0.1 on fedora 17 [later: same ...
2
votes
2answers
383 views

Having bridged network for lxc containers in Amazon ec2

I am trying to setup LXC containers on top of Amazon. I am very much new to Amazon and VPC especially. In fact created VPC for the first time to experiment lxc. My Goal: My goal is to have lxc ...
1
vote
2answers
161 views

How can I offer an XP-compatible migration to Linux Mint?

I looked at some friends' computer and winced; they're running XP, and the system is running slowly, and their SuperAntiSpyware pulled multiple malware threats (big surprise). But they are using ...
0
votes
3answers
80 views

Virtualization for desktop security?

I am frustrated with windows and the whole pay $60 per year for security products. Seriously, its too much now. I want to use virtualization for desktop security because I think (not sure) that it ...
0
votes
0answers
66 views

Efficient way to have several operating systems on one machine

I want to have several operating systems on one computer, but I want to do it in the most effective way. So far, I have been using VirtualBox - host os + several virtual machines. But I want every os ...
0
votes
1answer
988 views

Dual-boot AND Virtualize Both Windows 8 and Ubuntu

Dual-booting Windows and Linux is well-documented, as is running one of the bootable OSes as a VM inside the other (ex, dual-boot Windows & Ubuntu; in Windows, host Ubuntu in a VM using VMWare ...
0
votes
1answer
680 views

How can I list which virtual ethernet pairs are running in the current linux host?

I have a question related to the veth pair that is used in Linux system. I want to know which veth pairs are running in the current host, which I mean querying the pairs by using one Linux command or ...
0
votes
0answers
64 views

Add usb device to inactive domain

I have a USB device which I want to pass on to a VM using KVM and libvirt. If the guest is running, I just create a file containing the XML-definition of the device: <hostdev mode='subsystem' ...
0
votes
0answers
53 views

VM doesn't pick up ip from dhcp

I'm running virtualbox in bridged mode on a windows host. ifconfig returns this: Here's the etc../interfaces file: How can I force it to grab an IP address from the dhcp?
0
votes
0answers
99 views

vmbuilder: enable ssh on virtual machine with boot script

I try to build a virtual machine with vmbuilder. I use this arguments compilation: sudo vmbuilder kvm ubuntu --suite=precise --flavour=virtual --arch=amd64 ...
0
votes
0answers
101 views

Very fast virtual machine rollback

Summary: Is there a VM that's optimized for fast in-memory rollback to a previous state? I'm looking for the fastest way to rollback a virtual machine to a previously known state. I'll be doing a lot ...
0
votes
0answers
99 views

How can I run Xen on LiveCD?

I made a Debian LiveCD using Isolinux bootloader and I need run Xen from this liveCD, but only syslinux seems offer support for Xen with "mboot.32" module, I don't see nothing about isolinux. Is it ...
0
votes
1answer
230 views

Dummy interface in an LXC guest

I am trying to create a split-horizon PPTP setup as described on my website within an LXC container. However, I need a dummy interface within the container to put the DHCP server on. Here comes the ...
0
votes
0answers
153 views

paravirtualization using xen in debian wheezy

i have been trying to run av virtual machine using xen but in the end i always get the error chroot: failed to run command `/sbin/shadowconfig': Exec format error hook 05-shadowconfig-on: done. ...
-1
votes
1answer
89 views

Advantages/disadvantages of virtualizing a CPU? [closed]

I saw that my virtualization tool does not virtualize my CPU. But, it virtualizes everything else. I want to know what could be the reason, advantage/disadvantage of virtualizing a CPU.
0
votes
0answers
490 views

Virtual Box keeps crashing with message virtual box has stopped working

I have Virtual Box 4.2.12 and while doing guest installation (Oracle Linux), virtual box keeps crashing with these message oracle vm virtual box has stopped working Application event log has the ...
0
votes
0answers
71 views

Ctrl+alt+f1 in xen not working

My host is a Fedora 18 and the guest a CentOS 6.2, I'm using virt-manager as a gui tool to manage the virtual machines, when I send the ctrl+alt+f1 signal, screen shows unreadable liness, the same ...
0
votes
1answer
99 views

Debian DomU on Debian Dom0

I've set up xen on a Debian squeeze DomU and it seems to be working. I followed the this guide The problem I have is when I try to start the VM and attach the console using xm create -c ...
0
votes
2answers
204 views

Ubuntu Server 12.04 LTS virtualization

I am building a web application for a family member and I need to learn Linux Administration, since I will be setting up the server myself. I've heard a lot about virtualization on server, but I have ...
1
vote
2answers
1k views

How to detect if VT-X has been turned on in the BIOS?

I know I can check is VT-X is supported by a processor by egrep '(vmx|svm)' /proc/cpuinfo. But even if it's supported, it can be turned off in the BIOS. How can I detect if it's turned on or off?
1
vote
3answers
54 views

Can I virtualize one Linux within another

I got a new laptop that has "secure boot" which seems to only allow my to install the latest versions of Linux. However, I have an older version of Linux with Gnome 2 on my desktop that I far prefer. ...
0
votes
1answer
91 views

Free 'no-host OS' virtualization and vm management for desktop

Is there good, robust enough for every-day use, way to setup free hardware-based virtualization which would support at least Windows and Linux and also be supported by some usable, user-freindy and ...
0
votes
0answers
410 views

linux KVM guests network performance is slower than host

i have a KVM linux based virtual machines, as the network performance of the host is running perfect with 1GB/s(in internal network) and using iperf tools it show that the network is running perfect ...
2
votes
0answers
80 views

Can I play latest games in VM? [closed]

I am a GNU/Linux user and sometimes I would like to play some games. Do VM handle latest games well nowadays?( with good enough hardware of course) What kind of hardware do I need to play let's say ...
0
votes
1answer
97 views

How to attach ATMEL development board to VirtualBox VM?

I have an ATMEL QT600 development board. I used VirtualBox to create a virtual machine with Windows XP SP3 and installed all the development tools provided by ATMEL. In order to program the board, I ...
0
votes
1answer
391 views

Virtualizing existing Linux partition on the local machine using VMWare Workstation 9.0

I am trying out VM Workstation 9.0 on Windows and I am tried to run the existing linux partition by following steps blow: Create a new VM > Advanced > Choose to install the OS later > select Debian 6 ...
0
votes
1answer
232 views

Running virtual linux using qemu on windows

I am trying to use Qemu 1.3 for windows to run lubuntu on a USB stick with Windows 7. After downloading and unpacking Qemu on my usb stick, if I click on qemu.io.exe, I get qemu-io.exe> How do I ...
3
votes
2answers
2k views

Using VirtualBox with a local Windows 7 installed on the hard drive

I just discovered today that one can create VirtualBox VMDK files that simply reference real partitions on local disks and, needless to say, got pretty excited. "This means I can boot my Windows 7 ...
0
votes
2answers
567 views

mounting local filesystems — failed

When I start guest OS which is Oracle Linux 5 running on Virtual Box 4.2, I am getting mounting local filesystems --- failed How can I resolve the issue? Thanks etc/fstab ...
0
votes
4answers
86 views

Starting Guest OS slows down computer

I have virtual box 4.2.4 installed in Windows XP SP 3 and Oracle Linux is installed in Virtual box. When I start linux on Virtual box, I have noticed that both my host and guest machines becomes ...
-1
votes
1answer
81 views

linux - systemwide undo or go back in time

Is it possible to undo the entire computer's memory to five minutes in the past? For example, a text editor would be at a state of a 5 minutes ago as well as the web browser's state would also be at ...
2
votes
1answer
770 views

Network Bridging for WiFi-to-Ethernet in linux

It is possible to network bridging a WiFi-to-Ethernet link in Linux instead of Ethernet-to-Ethernet? I have a CentOS 6.3 machine. I am using KVM and I want perform a bridge to visualize more ...
0
votes
1answer
158 views

Move virtual box default machine folder

I have installed Virtual box on Windows XP and by default machine folder is pointing to C: drive of my Windows XP which and size of that is 13GB. I would like to move this to my D drive. How can I ...