Questions about Virtualizing Ubuntu or virtualizing other operating systems within Ubuntu.

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KVM image size has changed?

We had a 180GB VM image. Inside the guest VM everything is OK and hdd size is 180G. but when we look the image size on the host it is 475MB. I am afraid that if we restart, the VM wouldn't work. I ...
4
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3answers
13k views

Ubuntu 14.04, Xen 4.4 and XAPI toolstack

Just decided to start over with XEN on a completly different box I have. In preparation, I started to look into the package details based on information found on both the Ubuntu howto wiki for Xen ...
0
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1answer
1k views

Xen 4.4 (64-bit) is not working on Ubuntu 14.04, xl fails

I did a fresh install of Ubuntu 14.04 Desktop 64-bit with LVM option selected during installation. Then the first thing I did was installation of xen hypervisor. sudo apt-get install ...
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0answers
53 views

vsftpd server no connect on virtual server

I have a virtual machine running Ubuntu in Amazon cloud server. This machine installed via APT Apache2 + PHP5 + MySql to serve my website and everything is running perfectly. However, with no means ...
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0answers
23 views

Ubuntu virtual machine export [duplicate]

Is it possible to backup my Ubuntu OS (not virtualized) and restore it in virtual environment (such as virtualbox)? Or export installed Ubuntu as virtual machine?
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2answers
2k views

How to share a directory between ubuntu host and windows guest with kvm?

I read several posts or articles which deal with this but all give a solution for linux guest. For example : http://www.linux-kvm.org/page/9p_virtio ...
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2answers
2k views

IPv6 does not work over bridge

I installed Ubuntu 14.04 server a week ago. I use it as a virtual machine host (tasksel installed). meaning am running it with kvm + libvirt. I have set up the same bridge I had in 13.10. auto p4p1 ...
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0answers
15 views

Are there differentiating disks in KVM?

I'm currently playing with vmbuilder. It works fine and enables to get a running machine in five to seven minutes with average non-server hardware. I imagine that on a faster hardware with more ...
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0answers
22 views

Running Iso Through virtualbox

I have a mac iso that works flawlessly on my windows virtualbox but for some reason I cannot get it to load up on my linux virtualbox. I have created it with 30G of storage and a fair amount of ram. I ...
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0answers
582 views

KVM-Guest only boots single user mode

We have a Vserver Host running on Ubuntu 12.04 with KVM/QEMU and so far guests been running fine with various OS's (Ubuntu 10.04, 12.10, Debian 6,7, CentOS 5,6). After the installation of Ubuntu ...
0
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2answers
78 views

Can I develop .NET applications from virtual box on Ubuntu

I have Ubuntu installed on my system. Now I have a project to do using Visual Studio in C#. I want to know whether I can install Windows inside a Virtual Box and then install Visual Studio. Will I be ...
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0answers
36 views

Ubuntu & Virtual Box - Follow Up Question [duplicate]

Have downloaded Ubuntu Server 14.04, 64-bit. Have also downloaded Virtual Box 4.3.10 (which supports 64 bits). My operating system is Windows 7 - 64 bit. When I configure Virtual Box for Ubuntu, ...
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3answers
2k views

Problems running Ubuntu 14.04 inside of a virtual machine within Virtual Box

I downloaded a disk image of Ubuntu 14.04 and when tried to run it inside of a virtual machine within Virtual Box it only pops up with a blank screen, and nothing else. Could installing install guest ...
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0answers
252 views

Xen PCI Passthru works with 2GB RAM but not with 4GB RAM

I set up Xen on Ubuntu 14.04 (Xen 4.4). With my config I can only use PCI passthru when giving DomU 2048MB RAM. When giving 4096MB the GPU doesn't work (windows says Code 12). Here is my win7.cfg: ...
0
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1answer
133 views

Need to install a Multi-Desktop Environment on a virtual machine

I need to install a virtual machine with seperated desktops for each user and each one with it's own customizing enabled. There should also be a separate desktop for guests with a fixed envirionment ...
0
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0answers
525 views

Packet loss between guests under kvm-qemu

Have two guests on ubuntu server 14.04 kvm-qemu. When I ping from guest-1 to guest-2: guest-1# ping 10.0.0.2 PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. 64 bytes from 10.0.0.2: icmp_req=1 ttl=128 ...
1
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1answer
166 views

Starting/stopping upstart service when Digitalocean droplet is created (14.04)

I'm running a node.js server on a Digitalocean droplet, and I want the server to announce that it's ready to an external service (via HTTP post). The server runs via an upstart script using the ...
0
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1answer
585 views

Guest on kvm wont detect disk even after seleting virtio drivers

Recently update to Ubuntu 14.04, and now using kvm but hit a wall. I'm trying to install a win8.1 64 bits virtual machine. I follow this tutorial, https://www.youtube.com/watch?v=fMXctyhcrfs, ...
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3answers
4k views

How to share a VirtualBox virtual machine with users of the computer

I have a computer with Ubuntu 14.04, with several user accounts. In one of those accounts, I have a virtual machine in VirtualBox. I would like to share that virtual machine with the other users of ...
0
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1answer
72 views

Ubuntu switched from eth0 to eth2 after changing network adapter

I am virtualizing an ubuntu desktop 10.04. As I had to change the ethernet adapter mac address I got an eth2 network interface in place of eth0. I'd like to reswitch to eth0. On centos there is a ...
0
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1answer
56 views

I can't create more than one virtual machine with vmbuilder

I'm testing the creation of virtual machines with Ubuntu. The first virtual machine was created with the default settings and is called ubuntu: virsh --connect qemu:///system list --all Id Name ...
4
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3answers
2k views

Why can't I boot into xen?

I started out with a fresh install of Ubuntu 14.04 server set up on a 10GB LVM partition. The only other thing I did was to then install the xen-hypervisor: sudo apt-get install xen-hypervisor-amd64 ...
1
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1answer
75 views

Is it ill advised to update Ubuntu on VirtualBox + Best Practices?

I am running on Windows 8. I had Ubuntu 12.04 running as guest on VirtualBox 4.3.10 r93012 and once I updated it, it began booting into an empty black screen. I reinstalled the guest additions but it ...
4
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1answer
6k views

ubuntu 14.04 desktop amd64 installation fails with kernel panic under vmware [closed]

I've just downloaded ubuntu-14.04-desktop-amd64.iso, created new VM in VMWare Workstation 7.1.6 build-744570 using Typical -> I will install the OS later Linux / Ubuntu 64-bit VM Settings: 2GB ...
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2answers
24k views

“intel_rapl: no valid rapl domains” message upon boot

I install fresh Ubuntu 14. 04 server under ESXI 5.1.0. During my installation I did not get any erorrs or strange things. My problem is when I boot machine at console screen I get messages like [ ...
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1answer
1k views

Enabling virtualization on my AMD CPU

need help figuring out how to enable virtualization on my AMD FX-6300 CPU in order to be able to dedicate more than one CPU core to my virtualbox Ubuntu build. Everyone says it should be in the BIOS ...
0
votes
1answer
67 views

How to create a virtual image for an existing system?

I have a Ubuntu OS installed on a windows7 host. Now, I want to create a virtual image of the ubuntu os from my system so that I can use it on other machines. I don't even know if it possible. But, ...
2
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0answers
75 views

What backup solution allows for the easiest migration and restore of machines, even if they're restored from a VM or bare metal and vice versa?

I manage a lot of Ubuntu machines, many physical, many virtual. Backup as a general concept is pretty simple, but backup of entire systems tends to get murky. I'm familiar with virt-p2v, but that ...
2
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1answer
1k views

How to list all virtual machines created using qemu-system-x86_64?

I am using qemu-system-x86_64 to boot virtual machines on kvm running on Ubuntu 12.04 64-bit desktop. I have a few VM's that are currently running. I want to get the list of all VM's booted using ...
1
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1answer
97 views

Howto make “update-grub” to ignore guest volumes on a KVM Hypervisor?

I have some Ubuntus acting as a KVM Hypervisor and, every time I run "update-grub" on those servers, it takes a lot of time to finish and makes too much disk IO. I'm seeing that it tries to find ...
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2answers
627 views

How to use setvcpus from libvirt command line?

I'm using libvirt with KVM/QEMU. I found a great PPA, uvtool (http://s3hh.wordpress.com/2013/12/12/quickly-run-ubuntu-cloud-images-locally-using-uvtool/), that manages images and metadata in a volume ...
5
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1answer
1k views

Virtualbox hangs when shutting down after having installed guest editions

I have had a few Ubuntu 12.04 LTS VMs running on my windows 7 host and it's been great. I just recently added the guest additions to one of the Ubuntu guests on virtual box and now every time I try to ...
1
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1answer
107 views

How to properly create a virtual machine for Windows?

Hello my problem is the following : i want to get to use Ubuntu but yet i need Windows for my studies (for like Visual Studio and other stuff does work only under Windows ) so i was thinking of making ...
8
votes
3answers
4k views

Extra mouse buttons not working in virtualization (VMware/VirtualBox, ubuntu host)

I'm trying to run VMware Workstation and/or VirtualBox on Ubuntu. The virtual machines are working perfectly in both applications, except for the extra mouse buttons (forward/backward). In Ubuntu the ...
2
votes
1answer
798 views

Creating Virtual Machines using ubuntu-vm-builder

I'm currently trying to install virtual machines on my Ubuntu Server 13.10. I followed the instructions from this guide. I was able to install and check if my machine is is supported how ever when I ...
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votes
1answer
79 views

Why won't VirtualBox work? [duplicate]

I want to run VirtualBox so that I can use Windows Vista, but this is what pops up when I start it. Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is ...
3
votes
0answers
102 views

How do I run a PXE server?

I'm going to run several virtual machines with KVM virtualization. In order to install guest systems over PXE protocol, I am going to run a PXE server on my host machine (I'm not doing it wrong, am ...
0
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1answer
57 views

Windows XP VM or Windows 7 VM?

I've got an HP laptop with 750 GB ROM,4 GB RAM,a dual-core processor with 2.4 GHz and it's running Ubuntu 12.04. I want to use VirtualBox to make a Windows XP/7 Virtual Machine,but I don't know which ...
2
votes
1answer
1k views

VM runs very slow using qemu

When I create virtual machine using qemu-system-x86_64 , it doesn't even boot up. This is how I boot the VM: qemu-system-x86_64 -m 1024 -name mac -hda ~/Documents/ubuntu1 but when I create the same ...
2
votes
1answer
360 views

Ubuntu 2D working fine, but not Ubuntu virtual machine in VMWare Workstation 9 Windows 7 Host

I'm using Windows 7 as the host machine with VMWare Workstation 9. I created a virtual machine Ubuntu Desktop 12.04 LTS 64 bit version. There are two options for log in, Ubuntu and Ubuntu 2D. Whenever ...
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2answers
67 views

What are virtualization and KVM?

Can anyone explain this: What is virtualization? What KVM Kernel Virtual Machine?
1
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1answer
151 views

Error while creating qcow2 file using qemu-img

When I am creating an qcow2 file using qemu-img command I am getting error as librbd.so.1 file not found. When I check for the dependencies that .so file is present in the /usr/lib folder. Can any ...
1
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1answer
290 views

How to find name of the virtual machine Ubuntu server is being hosted on?

Is it possible to find out what version and what type of virtual machine is my ubuntu server being hosted on its on a remote server?-Thanks in advance.
0
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1answer
173 views

how to create an empty virtual machine without os in kvm?

Can any one help me to create virtual machine in kvm hypervisor without os. Just the vm should have 8GB disk, 512 MB RAM and default NIC interface.
4
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0answers
356 views

Unity crashes when running Ubuntu in a VM [duplicate]

I can't get Ubuntu (tried both 12.10 and 13.10) to play nice with my VM. Everything looks fine when I log in, but trying to use the dashboard will cause a crash. The crash can be triggered by just ...
0
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1answer
46 views

Is it wise to run computing virtual machines on KVM?

I have a physical server with 384GB memory. My main applications are to run CPU and I/O intensive programs. I could run everything on the physical server. But I'm wondering if it is better to host a ...
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votes
1answer
56 views

virtualbox problems [closed]

I'm running Ubuntu linux 12.04 and trying to install a version of Windows OS onto my virtualbox. I already have Win 7 ultimate running and I would like to also run Win 8 from .iso file. I've been ...
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1answer
105 views

Wanted: In-depth guide to virtualizing existing Windows 7 partition with VirtualBox

I would like an in-depth guide to virtualizing an existing Windows 7 partition (with VirtualBox), as all the instructions I have found online are either incomplete, imperfect,vaguely worded, or out of ...
3
votes
3answers
19k views

VM VirtualBox doesn't allow to enable 64-bit guest on Ubuntu 12.04 and Lenovo G500S

I've installed VM VirtualBox v. 4.3.8 on my Ubuntu 12.04 LTS (Lenovo G500S with Intel 1005M processor) and I can't configure any 64-bit guest (nor Windows, neither other OS). Inslalation of Win 8.1 ...
1
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3answers
2k views

How to completely remove virsh from Ubuntu

How to uninstall virsh from Ubuntu 13.10 server. I have already removed libvirt-bin, qemu and kvm but virsh is still running. I used following command to remove libvirt-bin. apt-get remove --purge ...