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

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0
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1answer
50 views

MaaS KVM node - Failed Deployment - df: Warning: cannot read table of mounted file systems

I am able to commission the kvm node, but when I try to deploy it fails. Last output from failed nodes cloud-init-output.log is: df: Warning: cannot read table of mounted file systems: No such file ...
0
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0answers
9 views

anyway to take vhd backup of local desktop machine?

I was trying to build some app from source. Now I realize that my system configuration is not enough to build it. Now I am considering loading up my desktop on windows azure. I'd want to load the ...
0
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0answers
85 views

vmware workstation player 12 (free) on ubuntu 14.04 LTS

I am using VMware player over Ubuntu from more than 7years now from ubuntu 8.04 onwards; I am sticking to LTS versions so my latest working configuration was ubuntu 14.04 + vmware player 6.06. Main ...
1
vote
2answers
3k views

Cannot virtualize 64bit vagrant boxes

I run Ubuntu 14.04. My CPU is Intel Core 2 Duo CPU P7450. It supports neither VT-x nor EPT. But it is 64bit. I can only virtualize 32bit boxes with success. When I try 64bit i get a never-ending ...
26
votes
2answers
174k views

How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?

So I am trying to run Ubuntu in a virtualbox but on installing 12.10 from the .iso I was greeted by a warning telling me that audio wouldn't work then I pressed next and this popped up: Failed to ...
6
votes
3answers
26k views

Run both at the same time, Windows and Ubuntu

I had read in some sites that it is possible to run two OS'es in the same machine at the same time through a Virtual Machine software, so you can switch Virtual Terminals with keyboard hotkeys and be ...
0
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1answer
238 views

KVM / QEMU / VMM : local host not connected

I am using Ubuntu 14.04. I have installed kvm. When I try to open virtual machine, I get this error: local host not connected Unable to connect to libvirt. Verify that: - The 'libvirt-bin' package ...
1
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3answers
113 views

Ubuntu snappy with Raspberry PI

I just have a question I installed Ubuntu snappy in Raspberry Pi2 and I'm trying to install Xen Hypervisor over it I was trying to use the regular method to install it for Ubuntu but it did't work for ...
0
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0answers
57 views

Attaching disk to AWS VM causes host to boot into emergency mode

I have now had this experience in Azure Cloud & Amazon AWS my current issue is on a host running Ubuntu 15.10 but I had similar experiences on CentOS 7.1 and I'm wondering if I'm somehow doing ...
5
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5answers
4k views

How To Create a Personal VM Server

I have a personal Ubuntu server at home for my various personal development needs. I often spend time to configure it for various purposes e.g. for serving a blog or my mercurial repositories etc. ...
0
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0answers
89 views

why ubuntu rebooting again and again after xen installation?

I have installed ubuntu 14.04.it booted normally. but when I installed xen the computer is stuck in reboot loop (its rebooting again and again) showing the message "kernel panic - not syncing ...
2
votes
1answer
90 views

Can Vagrant or Docker replace Clonezilla for dev machine cloning onto virtual machines?

The original question How do I migrate currently installed Ubuntu to a Virtual Machine? was insightful, but with the improvements and developments in systems like Vagrant or Docker, perhaps Clonezilla ...
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4answers
3k views

I can't use libvirt with listen TCP

I can't figure out how to enable libvirt with '-l' option (--listen) tcp conections in Ubuntu. I think that this is a bug. I tried the following, without success: https://bugs.launchpad.net/ubuntu/+...
1
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2answers
49 views

Installing Windows after Ubuntu

Currently I have Ubuntu 14.04 LTS installed on my PC, but unfortunately there are some programs, which do not run on Ubuntu even with Wine and there are no good alternatives available. Therefore I ...
0
votes
2answers
40k views

How to install VMWare Player on 32-bit 13.10 without 64-bit virtualisation

I'm having a nightmare of a time trying to install VMWare Player on my 32-bit 13.10. Apparently my CPU doesn't have 64-bit virtualisation support (I enabled CPU virtualisation in the bios but no joy). ...
0
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0answers
63 views

Run a VM from an existing qcow2 image, using virsh

I have an existing qcow2 image file. I have the libvirt-bin program installed (on Ubuntu Desktop 15.10) and I'm trying to use the virsh command to run a VM of the qcow2 image. I couldn't quite figure ...
10
votes
4answers
30k views

virt-manager can't connect to libvirt

I'm running Ubuntu 12.04.2 32 bits. The error doesn't show up if I start gksudo virt-manager. libvirt-bin is installed. I don't know how to check for the daemon. I am a member of libvirtd. Output ...
0
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0answers
58 views

unsupported configuration: hda-duplex not supported in this QEMU binary

I am trying to create a virtual machine using virtual machine manager.(KVM) following this tutorial . I have reached up to step 5. Then I clicked finish button. And I saw this error: I tried ...
0
votes
1answer
25 views

Add two root users during installation during installation + managing it - Ubuntu server

I would like to ask you all, that is it possible to enter some kind of script before entering the setup screen to be able to add 2 root users instantly. I am at the beginning of creating 190 virtual ...
3
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0answers
243 views

Ubuntu Freezes when Switching to Full-screen VirtualBox VM [closed]

I'm on Ubuntu-14.04 64-bit (with all the latest updates) and have a Windows-7 VM on Oracle VirtualBox 4.3.30 which I used regularly (almost everyday) in full-screen mode without any problems. But as ...
1
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2answers
373 views

Gracefully shut down QEMU/KVM on host shutdown

I start a QEMU/KVM Ubuntu 15.10 virtual machine on boot and let it run in the background (as webserver). What happens now if I shut down the host (also 15.10)? Will it kill the VM and result in a ...
1
vote
3answers
191 views

Why does CTRL not work in VirtualBox VMs?

I have recently noticed that for some reason when pressing CTRL in a VM in VirtualBox it doesn't get through... So I can't easily copy and paste etc, it just doesn't get through, the VM doesn't think ...
1
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0answers
53 views

“No devices available” in USB settings of guest OS

I am trying to connect my sound card and MIDI device directly to VirtualBox guest Windows 10 64-bit. I've done the following: Added current user to vboxusers group Installed VirtualBox 5.0.14 ...
0
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2answers
38 views

Where does the Virtual Box draw space from for installing a different OS?

In my PC, running on Ubuntu 14.04, the hard disk is divided into several partitions, and although there is vacant space in each of them there is only a paltry 8.7 MB unpartitioned space left. But ...
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0answers
17 views

Virtualize ubuntu instance or share with virtualization host?

I am setting up a server on which I want to have an instance of a Windows Operating system and an instance of ubuntu server. My question is this, for my ubuntu server instance, should I leach off of ...
1
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0answers
47 views

Virtualize Windows on Ubuntu server no GUI

I've been administering a remote Ubuntu 12.04 server for some time and loving it. Sadly some of the applications I would like to run hate WINE and pretty much require a Windows installation. I don't ...
2
votes
1answer
397 views

Unable to forward X11 graphics from Centos on Vagrant

On my real machine (Ubuntu 14.04.3 LTS) I deployed a Vagrant virtual machine and tried to forward X11 graphics from VM to real machine. For this I added in Vagrantfile such configurations: Vagrant....
0
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0answers
13 views

Ubuntu 15.10 Network Interfaces Name [duplicate]

I have just installed (fresh-installation) over VMware Workstation 10 an Ubuntu 15.10 64-bit virtual machine. Here, network interfaces names have been changed from 'ethX' to 'enXXXX'. My target is ...
0
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0answers
53 views

after new installation of Ubuntu on a virtual machine 64-bit reboot hanging

Virtual Box Oracle VM VirtualBox Manager Ubuntu download information General Name: Ubuntu 14.04.3 LTS 64-bit OS: Ubuntu (64-bit) System Base Memory: 1024MB Boot order: Floppy,Optical,Hard Disk ...
0
votes
1answer
93 views

Can XenCenter connect to xen-hypervisor-amd64

I have installed XenServer recently, but didn't stick with it. I am familiar with Ubuntu and was reading you can install XenHypervisor as a standalone package inside a Ubuntu OS. Kind of like ...
1
vote
2answers
2k views

virtualbox - Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE)

After I create a new Virtual Machine, when I start it, it shows following error: Failed to open a session for the virtual machine Milad. Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE). Result ...
3
votes
1answer
2k views

Sharing folder with VM through libvirt, 9p, permission denied

An Ubuntu Server 14.04 Host hosts an Ubuntu Server 14.04 guest via libvirt/qemu-kvm. The system runs fine, but - as guest - I have issues writing to a shared folder (<filesystem>) that drive me ...
1
vote
1answer
177 views

QEMU VM reboots host upon running

I am trying to run virt-install on Ubuntu Server 14.04.3 in order to install a QEMU VM from a qcow2 image. Running virt-install, I get no errors. $ virt-install ... starting install... ... virsh --...
0
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0answers
26 views

Ubuntu Server Guests on esXi - x32 or x64?

So I currently have about ~10/15 Ubuntu Server linux guests on my esXi host machine. I read that XenServer reccomends x32 if you are going to give the guest less that 4gb ram. Specifically it ...
1
vote
3answers
342 views

How do I Install the Chromium OS as a guest under Ubuntu 15.04

How do I install the Chromium OS on Ubuntu 15.04? Can I install it alongside Ubuntu? In a VirtualBox? Something else? How should I proceed?
1
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0answers
28 views

Why doesn't uvt-kvm --run-script-once work when run on a 14.04 host building a more recent guest?

I have an Ubuntu 14.04 virtual host, and I'm building guests on it with uvt-kvm. I have a small script I want them to run on first start. The command line looks something like this: uvt-kvm create --...
0
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0answers
102 views

KVM assign static ip address to guest host

1) Having a KVM host with one NIC card eth0. Created a bridge and have following configured /etc/networks/interfaces. Note that bridte br0 is created and has eth0 as bridge ports iface br0 inet ...
1
vote
0answers
150 views

“unable to enumerate USB device” when enabled IUMMO/VT-d in BIOS

I am trying to get started with IUMMO feature, but when i turn it on, i cannot load my system anymore; in recovery mode i see bunch of similar error messages, ending with: [ 169.00000] usb 8-3: ...
0
votes
1answer
112 views

Vagrant up (with Ansible) problems. Failed to boot the virtual machine

I'm using ubuntu 15.04, and i wanted to install vagrant with ansible. When i vagrant up i get the following error message: This is my vagrant file ==> default: Successfully added box 'ubuntu/...
0
votes
1answer
63 views

virtual machine setup does not start

Excuse me for my beginner question. I tried to find solution for my problem by searching in Google but I could not find any thing. Recently I migrated from windows and so I am new to Ubuntu 14.04. ...
0
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0answers
43 views

Xen makes system unbootable

I tried installing Xen using the following command in the Ubuntu help documentation: sudo apt-get install xen-hypervisor-amd64 Then followed with sudo reboot Also as recommended. The reboot ...
1
vote
4answers
4k views

Problem with uninstalling virtualbox

I am using Ubuntu 12.10. I downloaded from virtualbox.org the virtualbox package 4.2.4*.deb. I wanted to install it with dpkg -i and terminal requested me to use command alien instead. So I did ...
0
votes
1answer
14 views

Dual run Ubuntu 14.04 64 bit on non- virtualization supported processor

I did try through virtual box machine, running Ubuntu 64bit but error was occured as" no bootable media found system halted" so why I'm trying to dual boot.Is it possible to dual boot windows 10 64bit ...
1
vote
0answers
147 views

MAAS KVM nodes commission timesout

So, I have set up MAAS and several KVM and Qemu VMs. When I add them as nodes, they start up during commissioning but then the attempt times out. Here's the line from the MAAS log: [ERROR] test: ...
0
votes
1answer
62 views

KVM remote-viewer: Force certain keys to stay in host OS

I am using Ubuntu 14.04, running a Windows 7 guest VM via QEMU/KVM. It's all working fine, I interact with it via Spice using remote-viewer. I use Compiz to place the window automatically on the top ...
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votes
1answer
140 views

What's the easiest way to transfer files back and forth between a Windows 10 host OS running Hyper-V and a guest OS running Ubuntu 14.04?

I tried using the "Connect to Server" feature in Nautilus to access a shared folder on the Windows host. It allows me to copy files from the Ubuntu guest to the Windows host; but it doesn't work in ...
0
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1answer
234 views

Installing ubuntu 14.4.3 server on KVM without internet

I was trying to install ubuntu server 14.04.3 as a guest on KVM as referred in this link I made sure that the guest server doesn't have network. Following command used for installation: sudo virt-...
0
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0answers
236 views

nova hypervisor-list returns empty

I have installed Liberty on 3 node Ubuntu. After configuration of Compute node I could see hypervisor list is empty. Please find the below details as per my observation and suggest me for any ...
20
votes
1answer
13k views

What's the difference between tun/tap vs bridge+vnet vs macvtap? (For virtualization KVM)

I've just found a lot of different ways to do KVM networking. But I'm stuck about what's the right way to do it. I discovered that openstack uses macvtap to do neutron networking. And it looks good. ...
3
votes
1answer
191 views

Resize VM partition without erasing data

I want to resize a partition from a virtual machine without erasing any data. I only have access to this VM via SSH, so I am not able to run a live CD. The OS is Ubuntu 14.04.2 LTS. My current ...