Questions tagged [virtual-machine]
A virtual machine is an emulation of a guest operating system, running on virtualized hardware within a host operating system.
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Bridged qemu machine cannot receive packets, these are dropped
I've created virtual machine (ppc) with bridged interface (using bridge helper) on archlinux. Machine can send packet out, but cannot receive anything. I can see packets (dhcp discover,request and/or ...
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How to configure VirtualBox guest to have internet access?
VirtualBox allows different configurations for network access from guest to host. I am on:
Host: Windows 7
Guest: Ubuntu 14, 32-bit
Then, checking network access:
Host (ipconfig) says: Ethernet ...
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Virtual machines, TRIM, spares files
Assume the following:
I have [an SSD with] a host file system (FS) and a host OS. The virtualization software uses a file on the host FS as storage for a virtual machine (VM) disk image. The guest OS ...
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Bridged Network in VirtualBox cannot ping host OS to guest OS while everything else works well
VirtualBox 5.0.4 on Windows 10 Enterprise (host) in LAN. Launching VM from live image of WANem - a network simulator over Knoppix Linux.
Changed Network Adapter to “Bridged Adapter” of my single ...
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Can ping URL but cannot access via cURL or wget
I am experiencing an issue where I can ping, but I cannot use wget or curl. This is the output from these commands.
I have copied a working Vagrant VM from one Win7 PC to another and this is the ...
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Can't boot vhdx in hyper-v after creation with disk2vdh
I am trying to take a machine from a physical machine to a virtual. I created a vhdx of the hard drive with the systinternals disk2vhd tool.
The vhdx is on a usb hard drive. I attached the drive to ...
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Interface not showing up in airmon-ng
I'm running a virtual Kali machine on VirtualBox and want to connect my USB WiFi adapter to said VM.
Here are some details:
Host OS: Windows 8.1
Guest OS: Kali Linux 1.1.0a (amd64)
USB Adapter: TP-...
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Is there a way to zerofill the page file once for VM compaction?
I know it's not good practice to completely disable the page file even with seemingly sufficient amounts of RAM. I have a number of Windows VMs that naturally have a page file enabled at the default ...
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How to access multiple virtual webservers via one public ip
I'm preparing to configure a remote server, located in some data center.
This server will have single public IP assigned.
This server will have a hypervisor of some kind (KVM or Xen) installed.
...
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Why does the EPEL Repo fail on a Centos 7 VM on VMWare Workstation 11?
I created a Centos 7 VM on VMware Workstation 11 on a windows 7 host. I am trying to reach the EPEL repo using
sudo yum update -y
and I get the following error:
[root@localhost vagrant]# sudo ...
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VMWare - Windows Update restarts host, guests lose data. Solutions?
They didn't like my question on Server Fault, so I'm asking here.
I'm running Windows 7 Ultimate as both the host and the guest under VMWare workstation 11. I try to keep both host and guest running ...
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Trying To Run a VM On Ubuntu 14.04 LTS
I cant seem to run a VM on Ubuntu 14.04 LTS, virtual box is reporting "Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITEABLE)."
I have tried all the fixes I could see on the bug reporting page of ...
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Vagrant ssh fails -- after cloning the box with vagrant package
i've set up a first Vagrant box for python dev that works very well. I can vagrant ssh in that original box without issue.
Trouble start when i try to create a copy of that box (with vagrant package),...
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How many VM's I can create and share CPU cores on 24 core CPU?
I have a server that has 2 (CPU) - 24 cores. Is there a limit how many VM's I can create and assign CPU's?
Ex: Is there a limit that, I can only create 6 VM's that have 4 CPUs each? or 12 VM's with 2 ...
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VM image inaccessible in Virtual Box
I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
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SMB response, STATUS_INSUFF_SERVER_RESOURCES
I have a Windows 7 vm running in VMWare workstation, it has 4 cores and 4 GBs of RAM assigned. Currently 3 clients connect to this windows 7 vm to access a shared folder. I noticed when the clients ...
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Microsoft Virtual Machine Bus Network Adapter - Code 10
System Specs:
I'm currently running a Dell laptop m3800 with the Intel Dual Band Wireless-AC 7260 adapter, 16 GB of RAM and Windows 8.1. Within this laptop, I'm running a Server 2008 R2 Standard ...
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Use Genymotion/Andy without Host-Only Network Adapter?
Genymotion and Andy require Virtualbox Host-Only Network Adapter, however my computer is unable to install the driver correctly. Note that Android x86 works well with default NAT network settings.
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How do I resolve BSOD after installing Internet Explorer 11/Visual Studio 2013 Update 4?
This is Windows 7 64 installed as virtual machine using vmware. I get a BSOD after I install Internet Explorer 11.
I also get the same BSOD when I install Visual Studio 2013, update 4. I can get into ...
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Is it safe to run WindowsXP as a Virtual Machine?
I know XP should not be used on a normal internet-facing PC. But if you run it within a sand-boxed VM that can't access the main PC, is that OK?
My use-case is I run a VPN within a VM, to RDP into a ...
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Ubuntu VM Hangs on Boot
I'm trying to boot to a Linux virtual machine in VMWare Workstation 10 for some web development work. I had some problems with the VM I was using. I tried reinstalling Ubuntu in a new VM, and after ...
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Serial TTA0: connection to Virtual machine | Weird characters and no input
I have setup a serial TTA0: connection to an OpenVMS Emulator running in virtual windows.
The console serial port is configured as follows:
TTA0.type="socket"
TTA0.port=":20000"
...
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Create RAM disk on the VM, or on the host?
I am interacting programatically between two programs (Matlab, and ISpice),
where one program writes a file to disk then the other reads it and writes another file to disk, which is read by the first.
...
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1
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Running OpenGL Apps on Android x86 4.4 R1 in virtual machine
I want to use Android x86 on a virtual machine on Windows 8.1 Pro, but I have Problems with
OpenGl. I use the news Android Version (x86 4.4-r1) but I had also tried RC2.
Android x86 is always running....
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VirtualBox and Websockets
I am using Virtualbox with Linux host and Windows guest.
When I try to use websites that makes use of websockets it's not working properly (not getting messages). I believe this can be fixed with ...
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Ubuntu virtualbox host connection issues
im very new to the server world and trying to follow a book which i should be learning about Magento with but it describes a way of setting up a virtual machine using oracles Virtualbox and installing ...
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Vagrant vbox 45-50% CPU usage
I am running a headless Ubuntu server box on my Windows 7 64 bit PC with Vagrant.
My PC has 8 GB ram and Intel Dual Core 3.16Ghz E8500 processor and PAE.
The problem is that VBox routinely uses btw ...
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Wifi connectivity on a virtual machine while it is not working on the parent machine
I am having wifi connectivity issues on my Windows 8 laptop. I am thinking to install windows 7 as a VM using virtualbox. Will the wifi connection work in the VM (win 7) while it has connection issues ...
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Can I read a smartcard in a virtual machine?
My employer requires a smartcard to login to their web-based remote working platform. I want to access this platform by using a Remote Desktop Connection on to my Windows 7 Virtual Machine, with the ...
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Bridging my VM with an OpenVPN adapter
Beginner user here,I start to slowly learn about networks, virtual machines and so.
Here is my set up.
I have a host system, running Windows 8.1. On my host system is installed OpenVPN, with a ...
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RDP can't reconnect after connection drops
We have a number of development VMs running which we typically access through RDP. After a few hours the connection will drop leaving us unable to reconnect giving the following message:
This ...
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VirtualBox host key stops working
I'm running an Ubuntu virtual machine on a Ubuntu host on my laptop.
A majority of the time when I switch from my host to my virtual machine (full screen) the host key stops working. Now that I'm in ...
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Network Boot Virtual Envirorment Instance
Is there a way I can boot a Hyper-V, VMware, or some sort of other virtual instance from another computer via something like PXE. I'd like to setup a diskless environment running Windows 8. Seeing as ...
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VirtualBox error with Ubuntu virtual machine
I am trying to work on a coding project and cannot open my Ubuntu virtual machine with Oracle VM VirtualBox. I took a snapshot yesterday at about 11, and it was working fine. Several times I closed ...
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Using virtual box and trying to run the server on my local host
I am trying to run the virtual box (Linux) off my Windows host,
and currently trying to access the URL "local.corn.org". I edited the hosts file, adding
10.0.2.2 local.corn.org
and also tried
...
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Can you explain me VMWare Performance Counters in Windows?
I am having a guest Windows Server 2008 R2, i.e. VMWare virtual machine
Can you explain me VM counters vs. non-VM-ones, in the case of "% Processor Time" (under "VM Processor" section) vs. "% ...
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Block access to Host PC and rest of LAN on a VirtualBox Guest VM
I have a computer on my network that serves as a Host PC for a VirtualBox Guest VM. Both the Host PC and Guest VM run Windows 7.
I would like to block the Guest VM from accessing the Host PC as well ...
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How to install Remote Desktop Virtualization Host role service in Hyper-V 2012 R2
I am using the free Hyper-V 2012 R2. I am trying to add RemoteFX 3D Video Adapter to one of my VMs. I have installed a dedicated GPU for this. However when I go to "add hardware" I get the error: "...
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Ubuntu 13.10 is very slow under VMware / VirtualBox running in a Windows 8.1 host
I am the recent owner of a new Levono Yoga 2. The specs of this are:
4th Generation Intel Core i7-4500U Processor (1.80GHz 1600MHz 4MB)
Intel® HD Graphics 4400
8.0GB PC3-12800 DDR3L SDRAM 1600 MHz
...
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Synchronizing folders, configurations, programs, local server and database on 2 debian machines
I am using debian both on a laptop and inside a virtual machine on another computer.
I want to be able to synchronize those 2 systems in both ways so that I can
do some work say on the VM, then ...
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Checking if Intel VT-x acceleration is enabled from inside a VMware virtual machine?
My (Fortune 500) company just rolled out new VMs and everyone is complaining they are dog slow. Is there any way I could verify, from inside a VM, whether Intel virtualization (VT-x) acceleration has ...
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Accessing symbolic links in VirtualBox
How can you access files in folders that are links, on a shared folder in VirtualBox?
For instance, I've got a folder named
/home/mrlister/misc
on my host computer, which is shared as /media/...
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VMware player Ubuntu VM not starting
I had a perfectly working Ubuntu 12.04 VM running in VmWare player with Windows 8 as the host OS. I sent the Ubuntu VM to sleep from the Ubuntu menu (not the suspend option in VMWare Player). When I ...
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Virtual Box Failed to create VirtualBox COM object
I am running Windows 7 64 bit (on a laptop). I just downloaded the latest virtual box binary and it installs but does not start. I get a Caller RC: CO_E_SERVER_EXEC_FAILURE whenever i start VirtualBox....
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Setting up VirtualBox networking
I have planned to install Ubuntu Server on our physical server but before that I'd like to mess up with that system in VirtualBox so I know I can get it working.
I have installed Ubuntu Server 13.04 ...
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Accessing VM on host machine through IP address
I'm trying to set up a CentOS VM with VMware Fusion and get access to it through the host.
I was following a tutorial online for this as this is my first time doing this. When I try to access the IP ...
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Why can't I change the subnet IP address in the Virtual Network Editor in VMware Workstation?
In the Virtual Network Editor in VMware Workstation (version 9.0.0 build-812388), I want to change the subnet IP address of one of my host-only virtual networks from 192.168.203.0 to 192.168.124.0 (...
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Hyper-V Virtual Machine Suspending on Host Shutdown (Integration Services Installed)
I'm trying to get a VM time synced with a 64-Bit Windows 8 host upon host shutdown and startup. Linux Integration Services is installed on the virtual machine and all integration services are enabled ...
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What does "Disk active time" mean in task manager?
I've read online that "disk active time" means something like the amount of total time the disk spends on IO activity. I'm kind of confused about what that means.
Also, on a virtual machine, what ...
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Differences between encrypting an actual PC vs a virtual one?
Are there any differences between using for example TrueCrypt to encrypt the system drive of an actual PC and a virtual one running on ESXi?
Are there any security advantages/differences?
