A virtual machine is an emulation of a guest operating system, running on virtualized hardware within a host operating system.

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Infinite login loop in Debian Virtualbox

I am trying to write a small character device kernel module and somehow, I managed to fill up my virtual hard drive by reading from it (??). Now as soon as I type in my password at the gui prompt, the ...
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13 views

What routes needs to be added

My host machine has IP 192.168.3.x and my guest virtual machine has 90.34.4.x I cannot ping from guest to host and vice versa. My host machine can reach other networks. What route needs to be added ...
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24 views

Can't initialize VM's on HyperV Windows Server 2012

I'm really stuck with this and I can't understand why I sunddendly can't make ANY VM to start succesfully in my system. I had just one VM, and it was working perfectly, then for some reasons I booted ...
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7 views

Use ADB with Genymotion from concurrent linux VM

I have a linux VM and a genymotion VM on my host. Both have the same network configuration (I set it up myself) which is: Adapter 1: Attached-To: Host-only adapter Name: VirtualBox Host-Only ...
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6 views

Virtualbox VM bridged NIC to host Loopback-NIC serve Internet

I have a Virtualbox VM with a NIC in bridge mode to the host machine Loopback Interface... I have in the VM the IP 192.168.0.12/24 I Have in the host machine 192.168.0.11/24 (assigned to Loopback ...
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8 views

VirtualBox fails to attach driver when starting VM

I have three VirtualBox VMs on my Windows 10 host, one Linux Mint 17.3 and two Ubuntu 14.04.4. Often when I start any of the VMs I get the following error message at launch: Failed to open a ...
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3 views

Virsh (libvirt-bin) is not able to communicate with Xen server

I have installed the latest version of Xen server 6.5. Now I want to connect to it with virsh (libvirt-bin). When I do this I get the error error:end of file while reading data: sh:nc:command not ...
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4 views

How to prevent another vagrant instance overriding /etc/exports file

I have multiple Vagrant for different projects. Whenever I vagrant up either instance causes the /etc/exports file to get overridden. The first vagrant instance synced directories get overridden by ...
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7 views

copy a pc file to VM env/linux

I have a file on Desktop 'Test1.py'. I want that file to run on saltmaster VM and am trying to copy that file through scp commands. I hit this command scp Test1.py ...
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30 views

Using OS in virtual-machine increases security? [on hold]

I have question about security. I don't know if it's good place to ask this question here. Let's say I want work with money, trade it and so on.. And I have ubuntu on iron on my laptop, but I have ...
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12 views

Moved VM Ubuntu from Windows to Mac, no longer able to access shared folder

I have an Ubuntu 14.04 VM running on VMware Workstation 11 under Window 7. I have installed Samba and mounted /var/www/ to be accessible through the network connection to access through the native ...
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5 views

Sharing and sync multiple VMs with one image on server

I'm building a complex system for my research team. I thought it through a dozen of times an I'm still not sure how to execute it. I'll present my idea and I'd like to hear your suggestions for a ...
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8 views

How to set the default virtual machine in VMware Fusion?

I'm running VMWare fusion in Host OS: OS X - El Capitan. There are 2 Guest OS in my VMWare fusion: Windows 10 - one that I seldom use. Ubuntu - one that I use quite often. My problem is that ...
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20 views

xorriso to convert raw image to ISO fails (file size too large)

As the title says I'm trying to convert a raw image file to an iso image. I've used these as reference when doing this. https://www.turnkeylinux.org/blog/convert-vm-iso ...
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5 views

VirtualBox cloned vdi starts but no display

I have virtualbox, host win7 and guest ubuntu 14.0.4 I created a fixed sized vm. I cloned the fixed sized vm to a standard sized vm(dynamic). It worked perfect, just a message referring to low disk ...
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21 views

Shrink a VM hardisk size

I have a giant VM (Ubuntu 14, ext4) which takes about 150GB. I've did some cleaning up and I'd like to shrink this VM to take about 60GB. I've used gparted live CD to redistribute the partitions, and ...
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15 views

Tilde on Ubuntu virtual machine with QWERTZ keyboard (MAC)

I want to do a tilde (~) on my virtual machine Ubuntu Server (14.04.4) but I couldn't do it from now. I have OSX as OS (QWERTZ keyboard). How is it possible to do it ? I already look at some topic ...
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31 views

Deliberately slow down file access speed

I am trying to deliberately slow down access to files on my Windows machine to test load times on an application I am making. I've tried virtual machines and giving it limited CPU/RAM resources, but ...
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18 views

Connecting to Ubuntu VM on virtualbox through putty and accessing Internet

I want to run Ubuntu on VirtualBox. I have downloaded ready VM online. Also tried running the VM. Now I want Internet connection on this machine, and also want to connect to Ubuntu 32 bit Guest OS ...
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36 views

How do I successfully virtualise my (Boot-Camp) Window 10 partition so it runs on Hyper-V?

I have a MacBook Pro with a Windows 10 partition running on Boot-Camp and I would like to convert the Windows 10 partition into a virtual disk/machine that I can use as a VM within a Windows hosted ...
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17 views

How to connect a vm to pc wth nc

I'm using a PC with Ubuntu Desktop and a VM (Virtual Box) with Ubuntu Server. I would connect my ubuntu desktop to VM with NC. How to I've setup my VM? My setting network of VM has bridge and with ...
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10 views

ap-linux in a vm, does this make sense?

AudioPhile Linux, a distro tailor made to play audio has interested me. However I don't consider it desktop-grade and I don't have a spare machine to use it with. Does it make sense to run ...
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43 views
+200

Open http/https URLs from Mac Mail in Linux virtual machine

I'm running VMWare Fusion 8.1.1 on OS X 10.10.5 with an Ubuntu 16.04 virtual machine. My primary email client is Mail in OS X, but I'd like to configure it so that http/https URLs in emails are opened ...
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12 views

Oracle Linux, Hyper-V VM and Virtual Discs

I have a Oracle Linux 6.5 VM that in the command windows constantly displays "end_request: critical target error, dev sda. sector 235913472" then a separate line that says "dm-2: WRITE SAME failed. ...
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11 views

How do I Host a Virtual Machine with the GUI Accessible on Docker?

Imagine the following scenario, I have a network at my house with five computers on it. One of them I've set-up to be a server, so it is permanently on and accessible from the rest of the network. I ...
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15 views

SSH from Mac (host) to Virtual Machine running Windows 10 (guest)

I'd like to SSH into my virtual machine to "remotely" edit some files. I'm running Mac OS X (host), and the VM (on VMWare) is running Windows 10 (guest). Is there a way of achieving this? What do I ...
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11 views

Can I connect a virtual machine to an adhoc network hosted on the host machine?

I have created an adhoc network on my laptop, to this network i can connect other computers but the virtual machine won't connect to it and i don't know why, I can't ping the guest machines from the ...
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29 views

Can i clone a running vbox machine? [duplicate]

Is it possible to clone a running VBox machine? I need this because I can't turn off the machine during its purpose so I was wondering if something like that is possible? I tried by cloning the ...
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23 views

Error with VMware Player on Windows 7 - Virtual system won´t start

my OS is Windows 7 64bit and I have installed VMware Workstation Player 12.1.1-3770994. I never had problems with it, every time I started the virtual machine it worked without any problems. But since ...
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9 views

Backup multiple virtual machines and save backups to host

I have linux centos server with multiple ( 10 ) virtual machines running on vmware. Is it possible to make backup on database and specific directory on each virtual machine via script and cronjob on ...
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13 views

Create Network with Server and Client in Virtualbox

I am new here to the forums and I have a few questions about Virtualbox so I can learn about setting up a windows server network. I have windows server keys and windows OS keys as I am an apprentice ...
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47 views

Can I backup a running virtualbox Virtual machine?

I am currently running a time consuming python script on a virtual machine(It has been running for ~95 hours at the moment). I have no idea how long it will take to complete and am running it on a VM ...
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17 views

Kali Linux Stuck after installing on VirtualBox

I Installed Kali Linux on VirtualBox after finishing installation it rebooted and stucked and I can run Kali even I deleted and installed again new downloaded ISO Please help me
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50 views

How can I improve my linux security? [closed]

I dabble in Linux from time to time. Oddly enough at one time in the past and just today, I've found my system compromised (that is my perception at least). In my opinion I'm no expert in Linux or ...
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26 views

Make app working on ultra hd computers

I have a ultra HD computer and some apps don't work well with this resolution (too small text, buttons, etc) I tried to run them on a virtual machine but it has the same problem. I set the ...
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14 views

How to increase volume on a virtual machine?

I've installed OS El Capitan using VMWare Workstation and sound is too low, for example, testing iTunes. Is there a way to make it loud in the same level as happens in Windows (which is, in my case, ...
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25 views

How do I access local web address in a microsoft virtual machine?

I have downloaded a Windows 8.1 VM from Microsoft's dev center to do local testing for IE11. Host is OSX Guest is Windows 8.1 Using Virtualbox 5.0.12 Host machine /etc/hosts file: 127.0.0.1 ...
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64 views

Virtualbox bridged network is unreachable

I'm trying use a network bridge adapter for my VM (fresh Ubuntu server 16.04 LTS install) within the latest version of Virtualbox (v5.0.20). Running ifconfig -a gives the following output: As you ...
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43 views

Connect button disabled Azure Linux RDP endpoint

I have Linux VM on Azure deployed with Hortonworks Sandbox VM and want install Linux desktop. Following this tutorial ...
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25 views

Automated way to run bash script inside Ubuntu hosted in VirtualBox?

I have Windows 7 as host OS, and Ubuntu 14.04 as guest OS running under VirtualBox, I have some shared folders with data between Windows and Ubuntu and some binary in Ubuntu that do some processing of ...
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34 views

When a VirtualBox VM's Adapter is set to Internal Network can the Firewall of the Host Machine Control Access to the guest VM's Ports?

In a VMs network settings: Right click settings, then in the resulting Settings dialog select Network from the side bar And click any Adapter N tab, If I set the Attached to: drop down to ...
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18 views

When a VirtualBox VM's Adapter is set to Internal Network does the VM have Access to the Outside Network of the host? [duplicate]

In a VMs network settings: Right click settings, then in the resulting Settings dialog select Network from the side bar And click any Adapter N tab, If I set the Attached to: drop down to ...
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2answers
47 views

What's the bandwidth between two VMs on the same host

I have two Virtualbox VMs, the network configuration of one is NAT and the other one is NAT+host-only adapter.My host is a desktop located in a university lab with Local Area Connection 100.0 Mbps, ...
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28 views

How to run TIB file created in Acronis True Image to VM Ware

I have created a full backup of XP Using Acronis True Image File type .tib, I converted the .tib file to vmdk to run on Virtual machine. I installed VMWare on Windows 7 and when I run or open the ...
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15 views

How can i use my Hyper-V VM machine as a host machine?

I have a Virtual machine that runs Windows Server 2012 R2 and now i want to use this VM as a host, i mean i want to extract this vm and replace it on my current host machine. I know the host machine ...
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64 views

Connect to a remote Linux (VMWare) VM using Windows 10

Well it seems like a very simple thing to do but i couldn't find anything online that simply explain how to do this: I have a Desktop PC running Windows 10 which i installed "VMWare Workstation" and ...
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45 views

Connection Refused on Host OSX 127.0.0.1:3000 for Vagrant/VirtualBox/nginx Rails App

The Rails application is running on port 3000: $ bundle exec rails server -b 0.0.0.0 => Booting Unicorn => Rails 3.2.21 application starting in development on http://0.0.0.0:3000 => Call ...
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65 views

Windows 95 as guest on VirtualBox Mac OS X Host - Successful installed, but boot fails

I am running VirtualBox (Version 5.0.20 r106931) on a MacBook Pro (Retina, 15-inch, Mid 2014; 2.2 GHz Intel Core i7; 16 GB 1600 MHz DDR3) with OS X El Capitan (10.11.4). I already installed Windows ...
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73 views

Redirect USB Device To Virtual Machine Using Hyper-V As Host

So I have a machine that is running Hyper-V Server 2012R2 as the host (bare-metal hypervisor). I have a USB device that is attached to this machine and I need a virtual machine that is running on the ...
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15 views

Hardware not compatible in host OS but compatible in guest OS

I am planning to buy a wireless usb adapter for my laptop. I have a Windows laptop currently and might change to Macbook in the future. The wireless usb adapter not compatible with macOS. I know if I ...