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

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1
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0answers
50 views

what is the effect of making my kvm's HD cache none vs default?

I am playing with KVM migration, and I got an error about unsafe migration due to hdd cache settings. I found the fix, which is to set the cache to none and it works after I made the change. But ...
5
votes
3answers
6k views

How do I share a directory between an LXC container and the host?

How can I share a folder between the host system (ubuntu 14.04) and an ubuntu lxc container? I tried mounting the folder on the host: sudo mount --bind /media/data/share ...
1
vote
1answer
280 views

Terminal unusable in Virtual Machine

I am using Ubuntu 14.04 and I have created a virtual machine with the same ISO. In the virtual machine the terminal window shows up with a strange transparent gradient that makes it unusable. How can ...
1
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0answers
229 views

Simulate Universal Bootloader (DAS U-BOOT) with Qemu

I was trying to simulate u-boot with qemu for the ARM based versatile_pb board. I was successfully able to CROSS_COMPILE my u-boot source code with the gcc-linaro-arm-none-eabi-toolchain and create ...
0
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1answer
127 views

get mac address of device

I have a scientific instrument, which I am trying to connect via cross over cable. I need to get that device's mac address so that I can configure the communications server. How can I get the MAC ...
2
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2answers
5k views

No option for 64-bit OS VirtualBox guest OS in Ubuntu 14.10 Dell OptiPlex 755

I have a Ubuntu desktop installed on Dell Optiplex 755. It's my regular desktop, and I installed Oracle VirtualBox from https://www.virtualbox.org/wiki/Linux_Downloads. The version selected was the ...
2
votes
0answers
155 views

Host to Guest one way connection issue

I have guest run on my machine on qemu with configuration: /usr/local/kvm/bin/qemu-system-x86_64 -enable-kvm -cpu host -smp 8 -hda ${TEST_VIRT_ENV_IMAGE} -m 4096 -netdev user,id=user.0 -device ...
1
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2answers
2k views

Error installing Ubuntu on VirtualBox

I'm trying to install many different versions of Ubuntu (12.04/14.04, amd64/x86, server/desktop, etc.) on VirtualBox 14.3.26 on OSX 10.10 and I'm getting the following error: [ 0.000000] Fast TSC ...
1
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2answers
195 views

I want to using multiple VMs and multiple NICs

I have a windows machine with virtualbox running and 3 NICs [eth0/eth1/eth2]. Eth0 is connected to ISP. Other 2 are connected to each other through a switch. [yes, it is a switch, yes I need it there] ...
1
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2answers
191 views

How to add my other hard drives to ubuntu on vmware

I have Windows 8.1 as my main OS and can't change it because of homegroup for my family. I installed VMware Workstation 11 and installed Ubuntu 14.04 LTS. I have shared my folders and have my D,E,F ...
7
votes
4answers
9k views

VMWare Player 7.1.0 on Ubuntu 15.04 (kernel: 3.19.0-10-generic) app loading

I downloaded the latest version of the VMWare player (v 7.1.0) from here. Installed the bundle, and the installation went through fine. Post-installation, when I tried to launch VMWare Player, but ...
1
vote
1answer
2k views

How to install Ubuntu Trusty 14.04 in a qemu virtual machine

I'm running Debian Jessie amd64 with qemu version 1:2.1+dfsg-11 and want to install Ubuntu 14.04 for amd64 in a qemu virtual machine. But the installation process doesn't start because of a kernel ...
1
vote
0answers
578 views

Running vagrant inside VirtualBox

I'm running Xubuntu 14.04 in a VirtualBox VM on Windows 7. Inside the VM, I want to use Vagrant as part of my development environment. The Vagrant setup executes successfully, until it wants the VM ...
-1
votes
2answers
46 views

remote booting into guest os

I have installed kvm. and i installed Ubuntu as guest OS in kvm. Now I want to centralize the system. where my users will log in to to their guest account remotely. if yes how to do this?
1
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0answers
22 views

how to use the Container technology on Ubuntu?

Is there a way to deploy a distribution other than Ubuntu, as content on Ubuntu? Say in my case i'm planning a Redhat as a content on my Ubuntu 14.04 . If yes. How to do it?
1
vote
1answer
264 views

How should I give access to a PHP script on a local host-only server?

I have a 14.02 LTS client and server VM connected using host-only and DHCP. Connectivity between them has been achieved and I can ping each machine from the other. I have LAMP installed and I'm ...
2
votes
0answers
119 views

Is it normal that network-manager manages virbr0? [closed]

I recently upgraded to vivid (I know it's still WIP), and have found that network-manager shows an interface virbr0 as Connected. virbr0 is an interface added by libvirt to handle networking ...
0
votes
1answer
87 views

Visualizing linux GPT partition (EFI) from Windows Host

I created a rescue grub.iso using the following script. This code worked for me when I using Windows 7, Ubuntu 12, MBR: #!/bin/sh set -e wk_dir=$(mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") mkdir -p ...
0
votes
1answer
278 views

KVM VPS and data safety

I'm looking into setting up a mail server (running Ubuntu, ofcourse), but I need it to run reliably (in case it's good enough to start using it instead of only Gmail) so I found a VPS provider that ...
3
votes
4answers
16k views

Mouse doesn't work in the guest OS (Ubuntu 14.04.2) on Virtual Box (installed on MAC OS X)

I installed Ubuntu 14.04.2 (64 bits) to my Mac OS X 10.9.5 (64 bits) using Virtual Box version 4.3.24. I am not an experienced Linux user. When I start Ubuntu, I cannot make my mouse work in the ...
2
votes
0answers
65 views

How to invoke a X Session and a VM instead of login prompt

The system is Ubuntu 12.04 but the OEM requirement is to make it appear as if it is a Windows system to the end user. Other VMs and daemons will be active in the system but it is controlled from ...
3
votes
1answer
107 views

VirtualBox refuses to start VM

I have created a VM in VirtualBox, but have not yet bean able to install an OS on it, because every time that I click the Start button in the VirtualBox interface I get these errors: I have tried ...
0
votes
1answer
49 views

running linux on virtual machines for experimentation [closed]

I usually use virtualbox to run linux as guest on my windows. I now want to run linux as guest on a linux machine. I'm using virtualization for experimentation on networks. I was told that virtualbox ...
2
votes
0answers
507 views

Raspberry Pi / ARM Emulation [closed]

I'd like to be able to boot an image of Raspbian Wheezy, for example. I've seen people using QEMU but they have to download Linux source and compile it or accept a pre-compiled one from an untrusted ...
0
votes
1answer
351 views

Updating Ubuntu Virtual Machine using putty

I have access to a virtual machine running a clean install of Ubuntu 10.04.4 LTS. However, I need to use Ubuntu 14.04, and the server administrator is fine with me updating it. My only access to the ...
0
votes
0answers
32 views

Why can't I copy/paste or drag/drop into my virtual machine? [duplicate]

I'm working on a project, and I'm using Ubuntu Studio 14.10 inside Virtual Box (4.3.22; which is the latest version AFAIK). I'd like to copy some files from my host (Windows 8.1) to the virtual ...
0
votes
0answers
97 views

VM: Can not access to internet

I installed Ubuntu 14.04 LTS on VirtualBox 4.3.22 which is itself installed on Windows 7. I set the virtual machine network to NAT. Here is the content of my /etc/network/interfaces: auto lo iface ...
0
votes
2answers
125 views

Partition my disk for instaling Windows as a guest OS?

I never use virtual machine before. I plan to partition my hard drive (250GB) on a Thinkpad T400 laptop (8GB main memory, and install Ubuntu 14.04 as my main and host OS. In the future, when I have ...
1
vote
1answer
160 views

Can not install Ubuntu virutal machines on VirtualBox and VMware Player

I have tried several times in several days to install Ubuntu (from 12.04 to 14.04 versions) on VirtualBox, but in vail. The problem I encounter is shown on the following picture where everything ...
1
vote
0answers
280 views

Critical random slowdown issue using KVM/QEMU

I'm having a critical issue with KVM/QEMU which is severely impacting one of my projects and I don't know where to put my hands. I've set up a brand new physical server configured with a 2 x Intel ...
0
votes
1answer
915 views

How do I create a kvm guest running ubuntu server with a >2TB harddrive?

I have an Ubuntu server running as a kvm host. The host has three 1.5TB disks and the host uses lvm and has a 4TB volume group, on which I've created a 3 TB logical volume called nfsserver.I want to ...
2
votes
1answer
7k views

KVM - Create a virtual machine with 2 bridges interfaces

Can someone please let me know to create a VM using KVM with 2 bridged interfaces. I have a server that has Eth0 and Eth1 configured and connects to 2 separate networks, I'd like to create a VM within ...
0
votes
1answer
305 views

Really annoying big font in VMWare Fusion 7

I don't know where I was supposed to ask this question. I'm running an Ubuntu 14.04 VM on VMWare Fusion 7 and MAC OS 10.10.2. And I don't know why but it doesn't look good: For example on google ...
0
votes
1answer
2k views

'docker exec' command is not working

When I tried to start a stooped container using docker execcommand, it shows command not found. How can I run the container again? sudo docker exec -it 26a6ce216479 /bin/bash Error: Command not ...
1
vote
1answer
2k views

Can't access “computer” folder from Terminal in Ubuntu VM running in VirtualBox

I'm running an Ubuntu 64-bit Ubuntu 14 VM using VirtualBox on Windows 8.1. I wish to access the computer folder from Terminal, but I currently can only access it from the file browser GUI. I'm very ...
3
votes
3answers
8k views

Enabling shared folders with open-vm-tools

I'm running Ubuntu 14.10 in VMware Player on Windows 7. I have installed open-vm-tools instead of VMware Tools because VMware's software was unable to compile the kernel module required for file ...
-1
votes
1answer
36 views

Network analyzing tools

I am doing a project in collage. My project is to compare two different simulators, one id GNS3 and the other OPNET. what I have to do is generate traffic through the simulators and measure it. I will ...
0
votes
1answer
152 views

How to fix Virtualbox [closed]

I'm trying to launch a new windows xp virtual machine, but, when I do, I get this error message: Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE). Code d'erreur : NS_ERROR_FAILURE ...
-1
votes
1answer
973 views

this kernel requires an x86-64 CPU, but only detected an i686 CPU But i have a 64bit PC! [duplicate]

I am on 64-bit Windows 8.1. I'm trying to install Ubuntu on VirtualBox. However, I get the error: this kernel requires an x86-64 CPU, but only detected an i686 CPU Unable to boot - please use a ...
1
vote
2answers
2k 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 ...
0
votes
1answer
304 views

I can't read a USB HDD in my Ubuntu 14.04 VM (VirtualBox 4.3, Windows 7 host)

I've installed (and reinstalled) VirtualBox 4.3 with the Extension Pack on my Windows 7 host, and created USB filters to hand a few specific WD 4TB My Book drives straight to the Ubuntu 14.04 guest ...
0
votes
1answer
494 views

Kernel panic while installing CentOS 7 in VirtualBox

I have a laptop with Xubuntu desktop 14.10 , and I installed VirtualBox and updated it to the latest version . I'm trying to install CentOS 7 (source downloaded from the official site) as a VM, ...
1
vote
0answers
559 views

How can I get my Ubuntu 10.04 Hyper-V VM to recognize the virtual networking hardware?

I am new to Linux and Ubuntu, being primarily a Windows developer for the past 20 years. However, we've been using Redmine hosted on an Ubuntu VM to manage our development tickets. The VM was hosted ...
0
votes
2answers
80 views

Making my server virtual - what happens to my LVMs?

I have a physical server with about 10TB in two different LVMs and VGs. I'm going to be installing a bare-metal hypervisor on the hardware now, which means I'll have to rebuild my Ubuntu server. I set ...
2
votes
1answer
3k views

QEMU Connect physical disk [closed]

I made a windows virtual machine on my ubuntu pc using the following script (found online). #!/bin/bash configfile=/etc/vfio-pci1.cfg vfiobind() { dev="$1" vendor=$(cat ...
0
votes
1answer
477 views

Xen vm stuck at grub prompt

How can I get my Ubuntu server booting again? Is there a tool that would auto-fix this situation? No matter how many ways I run the "boot fixer" using a virtual image of ...
0
votes
1answer
969 views

Tunner card PCI passthrough on KVM

I have been searching everywhere for the past few days and can't seem to find the answer anywhere. I have a Asus P5E VM DO motherboard eith a Xeon processor, so both of support visualization. I'm ...
0
votes
1answer
92 views

How can I change the functionality of the keys on my Ubuntu laptop?

I got a HP 255 G2 laptop running Ubuntu 14.04 and I want to change the functionality of the F2,F3,F4,F6,F7,F8,F9,F10,F11 and F12 because F2 and F3 are used for changing the luminosity,the others are ...
1
vote
1answer
107 views

Do I need to create a ntfs partition for Windows running in a virtual machine?

I plan to install 14.04 on my laptop,and then install Windows 8.1 inside a virtual machine (not yet decide which software for virtual machine). When I install 14.04, do I need to create some ntfs ...
7
votes
1answer
641 views

Can I run Snappy Ubuntu Core as a guest inside Docker?

I'm aware that Snappy Ubuntu can host Docker containers. My question is whether it can also be run inside a container, as a Docker guest. The reason I'm asking is that I can't find any Snappy VM ...