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

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VMware Windows 7 corrupted, need to recover my files

I installed a Windows 7 operating system on VMware virtual machine and my host computer is running Windows 10. My Windows 7 operating system of virtual machine is corrupted and I need to recover some ...
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31 views

Can i still get a virus from a virtual machine?

I have set up a virtual machine for virus testing. Is it really safe so my Host pc can't get any virus? I have avast running on my host pc and mbam on my guest. When i download any virus, mbam doesn'...
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129 views

Imported VMs don't start but load in infinite loop

I have imported an ova file into VirtualBox via File -> Import Appliance, but I only get the screen and then the screen The bar in the second screen runs twice till the end, then the frist ...
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2answers
73 views

Can't ping two internal networks

I have created two machines on virtual box. Each machine has one internal network interface. To set the static ip on each machine I used the command ifconfig eth1 ip mask up. These are the IPs: ...
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22 views

What is the best VM network adapter method for VPN?

Remoting into my work computer is tedious and slow. To fix this I started using the company VPN, however the ODBC connections are validated through the machine name so my home PC does not have access. ...
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30 views

NoMachine connection to Virtual disables copy pasting

I am running a Redhat instance in VirtualBox. The computer itself is running Ubuntu. Whenever I use NoMachine client to connect to my Redhat VM through another computer it disables copy and pasting ...
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21 views

Using windows-only hardware in a windows virtual machine with a linux host

I have a printer that will not work properly with CUPS on my Linux host, so I need to use windows to print things. I want to do this using a windows virtual machine, as opposed to having to dual boot ...
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1answer
126 views

How to get VirtualBox VMs to my new host?

On my old computer I just copied the folder VirtualBox VMs to my external harddrive. Now I would like to restore those VMs. How am I able to do this using the folder "VirtualBox VMs" that I copied? It ...
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39 views

Mounting Windows host folder in Virtualbox without vboxfs or Shared folders

While trying to use Docker on Windows, I hit a Virtualbox vboxfs bug that mmap see old versions of files that are mounted using shared folders. In whatever way I change the file on Windows host, ...
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1answer
136 views

Open '*-flat.vmdk' file to restore data

vmWare Worstation 10 suddenly crashed. After trying to reboot the virtual machine next error was shown: "NOT REACHED: d:/build/ob/bora-2844087/bora/lib/disklib/sparseChecker.c:1308". After some ...
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0answers
28 views

Cannot do passwordless SSH from Mac to Ubuntu VM [duplicate]

I am trying to setup password less login from my Mac OS X to to Ubuntu VM created by Virtual-box. I am using NAT->port forwarding option in VM and have host port as 3022. When I do ssh -p 3022 ...
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1answer
38 views

linux red-hat 7.1 version + dropped increasing from ifconfig

please advice what could be the root cause for dropped increasing problem? as the following: ( we see dropped 2201101 , and this value increased evry sec ....) on Linux red-hat 7.1 eth1: flags=...
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2answers
129 views

Solution Virtualization not Supported, BIOS missing virtualization option?

In my system BIOS virtualization option is missing. After research found that my system doesn't support virtualization. Laptop model : HP DV6-1152TX Processor : Processor type - Intel Core 2 Duo ...
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34 views

Koding.com - Can I download / export my VM?

This question arises out of curiosity - Can one download or export VMs from Koding.com that can be imported in VM software such as VirtualBox or VMWare since they are AWS EC2 Instances?
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18 views

Hyper V Linux website hosting & opening in network windows systems

I have just started learning Linux on my own. I have installed Ubuntu 15.10 desktop version & installed lamp server also... I have installed apache GUI & created virtual hosts example.com &...
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34 views

Virtual Sound Card for Windows Server 2008 R2 SP1 x64 virtual machine

I have e2eSoft VSC - Virtual Sound Card successfully installed on my Windows Server 2008 R2 SP1 x64 virtual machine. It seem like driver works (new audio device in Device Manager group and VAC control ...
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38 views

How to configure Network for VPN in Lab on VMware

I want to configure home lab for VPN connections. I configure all of systems but I can't establish connection between computers. Now I don't add any Linux routers or etc. I have virtualized Ubuntu ...
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2answers
129 views

Why does antivirus on my host machine act up when VirtualBox is infected with a virus?

I'm testing vulnerability and severity of certain viruses on my Oracle VirtualBox (Windows XP) and virtual machines internet connection is set to NAT. The issue is that my actual HOST PCs (Win10) ...
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90 views

Macchanger will not change MAC addres on Kali Linux

So Im now going through one tutorial about Kali Linux and I stopped when I noticed that I can not really change my wired interface MAC address. I used Macchanger for doing that and everything worked ...
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2answers
58 views

Ubuntu on Virtualbox says 20 GB used when actual size of VDI is only 8 GB

I have a Guest Ubuntu 14.04 on Windows 7 Host. I've set the VDI limit to 20GB dynamically allocated. My Ubuntu boots to say there is zero space left in the system and sure enough df shows that this is ...
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1answer
44 views

how do i automatically back up Citrix Xen server VMs to a backup server?

I want to backup the VMs on a Xen server to a backup repository automatically using a script. I have a windows and a Linux backup server so which ever one is easier to do would be great. Is there a ...
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12 views

SQL Server Management Studio 2008 UI Issues

I work in a Citrix VDN virtual machine. When I get disconnected from my session and come back in, SSMS UI has a bunch of mini windows exploded all over the screen (sorry, no better way to describe it)...
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99 views

run two VMs (VMWare Wst and Virtualbox) parallel at the same time

Is it possible to have two Virtual machines, one VMWare Workstation, one Virtualbox running at the same on one host? Or does this give strange behaviour?
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78 views

Virtualization: Assign graphics card to vm and back to host when the vm exits. - Is this possible? [closed]

From what I have been told, if you want to assign a graphics card to a vm, it must not have been used by the host OS since the PC started. But recently people have reported that NVidia drivers ...
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1answer
21 views

Vagrant box not talking to mysql on Mac through 127.0.0.1

I'm running a vagrant box to host local sites. Importantly, the mysql server is running on the Mac, not the VM. When I've set the site configuration files to use localhost the site loads properly, but ...
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1answer
31 views

VirtualBox: Bridge VM to pseudo adapter

I have 4 VMs running on my host, using them as containers for stuff like my web applications. However, I currently am using NGINX as a reverse proxy - and the problems that come with that. So I ...
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1answer
165 views

Create a shared folder between Mac(Host) and Ubuntu(GUEST) on virtualbox

On my Mac I have virtualbox installed with Ubuntu. When I go into the settings of the virtual machine, under the section that allows you to create a Shared folder I select the folder I want to be ...
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2answers
243 views

Windows 10 + VirtualBox: Connect host from VM + VM to host not possible?

I'm not so familiar with virtualization. I could use it without problems on windows 7/8. Recently i want to use VirtualBox on my new Windows 10 laptop to try out a server: Kaa. They offer a sandbox ...
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14 views

Correcting the time of day clock of a restored VM

In VirtualBox, a VM's state can be saved and restored at a later point in time. This requires it to sychronise its time of the day clocks to the later time. How is this acheived, even when the OS in ...
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2answers
391 views

How can I use my printer with Windows 10?

I have Windows 10 installed as my main OS, but my printer (Canon LBP-810) is only supported by Windows 7 32bit. Is there a way to get the Win 7 driver to work in Win 10? For example, something like ...
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21 views

VirtualBox : Saving the state of a VM

How does VirtualBox save the state of a VM ? What are the HW requirements for such a feature ? I guess, saving the state also includes the values of CPU registers. How can the hypervisor not disturb ...
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58 views

The virtual machine disables the numpad

I have a Linux Mint host and a Windows 7 Pro guest OS in Vmware Player 12 with VMware additions are installed. Each time the mouse and the keyboard are "grabbed" by the virtual machine, at the moment ...
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83 views

Macvtap Bridge to VM Host

I'm trying to get a solid web/media server going in my home. It's a repurposed i7-920 machine. Its running Kubuntu 15.10, KVM, and a Windows 7 Pro vm (VT-x, Spice, QXL, MacVTap) I have Windows 7 ...
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24 views

Are fresh windows installs more anonymous/unlinkable than clones?

If you're using multiple virtual machines or VPS's with separate IP addresses to remain anonymous and unlinkable, is there any difference between doing fresh installs on each or doing a fresh install ...
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3answers
59 views

Is it possible to virtualize the clock for an experimental NTP time offset?

I have a project that wishes to force the times of a set of private NTP servers to demonstrate how NTP (and our software) reacts to various time changes and differences, network lag, etc. Normally, ...
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1answer
32 views

How to configure qemu with a raw drive, but have it not fail if the drive is missing?

I'm using Proxmox, which uses qemu under the hood. I have a vm that needs to access drives directly, so I have lines such as the following in my .conf: sata1: /dev/disk/by-uuid/f203be0a-4135-4964-...
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1answer
42 views

Proxmox migration succeeds but no image copied

I have a Proxmox 4.X cluster, and I am trying to migrate VM's between nodes. When I attempt to migrate a VM, I get a log saying it succeeded. In addition, the VM appears under that node. However, when ...
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79 views

How to be untraceable when visiting a website?

I would like to access (possibly simultaneously) a website with two different profiles. The point is that I need the two profiles not be connectable to the same person. I did some research by my own ...
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17 views

CentOS DNS server not being able to be pinged by host, but can by other machines on the network

Currently I am running a CentOS 7 core on a vm in bridge mode in order to get my own dns server, but for some reason I can ping the host machine from the vm but not the vm from the host machine. I can ...
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38 views

VirtualBox guest additions did not work. What can I do?

I am setting up a Ubuntu 14.04 LTS Virtual machine on VirtualBox. I have installed the guest additions files, and restarted the VM. However despite doing so I cannot auto-resize the guest display. ...
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1answer
77 views

Installing virtualbox inside VM

I have got citrix desktop VM as my main machine to work in my office. I want to develop on linux rather than on windows. So i am trying to install virtualbox. I installed virtual box and vagrant. ...
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132 views

Hyper-V not connecting to Virtual Machine in Windows 10

I have installed Hyper-V manager on Windows 10 pro and have connected to the server which is hosting all virtual machines. By using the Connect to server, I am able to see all the virtual machines. ...
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26 views

How to separate network connections for host os and vm?

I created an Ubuntu vm with Virtualbox on my Windows7 laptop. I expected the vm to not share the network connection of the host but I was wrong. How would I reconfigure the Virtualbox vm to not ...
0
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1answer
17 views

Remove top taskbar of vmware when i switch to fullscreen

That taskbar in top of the screen really bothers me. i cant see the connection and internet icon for connecting to wireless. furthermore, i cant see the bluetooths icon too. i wonder if if you can ...
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2answers
36 views

Is the performance of a RAM drive inside a VM comparable to native hardware?

If I define a ram drive inside a VM will it behave the same as a ram drive on bare metal (with in reason). I am looking to setup a VM on my KVM node that will run a few games. Yes, one of them is ...
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24 views

How to Mount Guest DOS OS with HOST OS.?

I am newbie to VM concept. actually i have installed DOS6.22 under virtualbox and using 32bit windows 7 OS as HOST Operating System, now i want to copy some folders/files from HOST OS to DOS6.22 Guest ...
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11 views

How to add my virtual machine with a backed directory tree in VirtualBox

About two months ago, I copied (or backed up) my virtual machine directory into an external hard drive. Now I'm having problems with that virtual machine and I deleted it from my computer. So, now I ...
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35 views

Creating and backing up a home server with multiple VMs?

Right now I have a cheap home server that I use for both media and storing code repos and other work projects. My idea was to basically make a HTPC that could also be used as a file/git/svn/etc. ...
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1answer
56 views

cannot start from BIOS the installation of windows 7 on vmware

I was given an .iso with windows 7 but I cannot install it using vmware workstation player 12. The .iso seems to be correct since I passed it to a usb and started an installation on real hardware ...
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2answers
111 views

After installation KVM virtual machine stops after rebooting, keeps adding -no-reboot

After successfully installing an Ubuntu 14.04 LTS KVM virtual machine I need to reboot the whole thing for everything to take effect. The thing is, it doesn't actually reboot, it just stops and then I ...