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Questions tagged [virtualization]

Virtualization is the process of using software to emulate an entire computer, in which "guest" operating systems can run.

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Can't start LXC containers containing CIFS mount

I have a whole bunch of LXC containers set up. One of these contains a directory which I'm sharing via SMB. Those LXCs which mount this SMB container using CIFS will no longer start, nor will the ...
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20 views

Virtial machine that feels native?

Is it possible to have a fully functional native OS desktop experience (Windows) on a virtual machine that doesn't feel like it's a guest OS? Kinda like Virtualbox but once it's loaded you can't tell ...
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0answers
64 views

VT-x is not available (VERR_VMX_NO_VMX) (VirtualBox) but enabled in bios, hyper-v enabled, and cpu supported

I've been having an issue with VirtualBox when trying to start a Windows 10 VM. I get an error stating the following: VT-x is not available (VERR_VMX_NO_VMX). Result Code: E_FAIL (0x80004005) ...
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1answer
21 views

Downsides of 8Kb cluster size for NTFS on top of ZVOL?

I am trying to maximize performance of Windows VM on a ZVOL. The official recommendation is that allocation unit size (volblocksize) on the zvol should be aligned with the allocation unit size of what ...
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0answers
11 views

Reactivating Windows 10 OEM guest after transferring from Xen to Virtualbox

I had a Windows 10 Pro (OEM) installation running as a guest on a Xenserver 6.5 host. The host has crashed and I copied the VHD file directly from the host to another host running Virtualbox. I was ...
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4answers
129 views

Computer ports like 22, 25, 80, 443 and 3306, are they of the motherboard or of the operating system?

As far as I know as of 2018 some of the 65535 available ports has at least one of what's called a "port proto"; I know 2 such protocols; TCP and UDP, while TCP is the mainly used one. If I'm not ...
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1answer
47 views

How do I find and enable the virtualization setting on Windows 10?

I am trying to install Docker for Windows. During installation, I get this error: An error occurred Hardware assisted virtualization and data execution protection must be enabled in the BIOS. ...
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0answers
35 views

Does running a bare-metal hypervisor impede (gaming-level) graphic performance? What are the costs?

I have a laptop with an Nvidia GPU, an i7 CPU, a display port and an HDMI port. I have two screens, one connected to the display port with settings 2K and 120Hz, and the other connected to the HDMI ...
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0answers
44 views

Dual Boot vs VM vs Hypervisor vs Other for Windows Gaming + Linux setup on home laptop + dual screen

Here's some context for the questions. Dual Boot I installed Windows 10 on my first HDD /sda 128GB. I installed Linux Ubuntu 18.10 on my second HDD /sdb2 ~150GB I also previously partitioned that ...
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17 views

Windows guest failing to install with virt-install on linux

So I run virt-isntall with an ISO image along the lines of the example here: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/...
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0answers
37 views

custom memory allocation vtable not supported trying to use qemu

I have a poweredgeT420 server and have been testing with qemu for virtualization. I have been following some documentation and simply tried using the quick start guide from qemu quick start guide ...
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1answer
38 views

Do I need to turn on VT-x in order to make a virtual machine using Oracle VM?

Do I really have to turn on VT-x in BIOS to make a virtual machine? I keep getting the error about VT-x not being turned on but I feel like turning it on could have a negative impact on my computer. I ...
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1answer
67 views

Can EVE-NG start on AMD Ryzen 7 1700x?

I have chosen a processor for my new PC. I would like to buy a Ryzen 7 1700x, but I need to run the CCNP and CCIE virtual labs on EVE-NG. Is there any problem with running EVE-NG on AMD hardware? ...
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1answer
34 views

Windows 8 virtualization enabled in BIOS but doesn't seem to be working. Also no hyper-v installed

I am trying to use Android Studio on my machine. After attempting to run emulators, I was getting errors letting me know that my virtualization was disabled. Therefore, I went to BIOS and enabled it ...
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2answers
56 views

Can't Access Google Cloud Compute VM Instance using external IP

I have set up and enable a VM to Allow HTTP traffic and Allow HTTPS traffic but i cannot access the external IP in a browser. Im using the VM for web development testing and need to see changes made. ...
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1answer
38 views

How come OS X allows multiple virtualization software at the same time while other systems don't?

I was surprised to experience that VirtualBox and docker's HyperKit can run VMs at the same time on OS X. Using different hypervisors at the same is not possible on Windows or Linux. How come it works ...
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0answers
60 views

enabling intel vt-x virtualiziation in asus motherboard

motherboard specs: asus strix h370-f https://www.asus.com/us/Motherboards/ROG-STRIX-H370-I-GAMING/specifications/ cpu: intel i7-8700 non k I am trying to work with virtual box, vmware etc and i ...
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0answers
6 views

Run meteor.js apps in android studio inside ubuntu in virtualbox

I am following the meteor.js todo list app tutorial. I'm at the section where it describes how to run on mobile. The problem is, according to the tutorial, I can't do this on a Windows system. So I ...
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0answers
30 views

OVS DPDK inside Libvirt VM

I want to use OVS DPDK inside a libvirt VM. I have the same scenario on physical machine which I want to replicate on VM, I am trying to create bond with two interfaces which are connected from a ovs ...
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0answers
37 views

Bridge connection causes network requests failures

I've set up Linux guest machine on my Windows 10 host via Virtualbox. Network seems to work fine when the guest network adapter is set to NAT, but when I've switched to Bridged Adapter, so the guest ...
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0answers
10 views

CentOS 7 Samba Shares accessible from Windows VM (using lidarr,radarr,sonarr)

I have just setup a new server and I am trying to get something working properly and I can't seem to. I have my server running CentOS7, its got 6-4tb drives in a ZFS pool that I need to be able to ...
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1answer
41 views

What is mouse pointer integration?

I'd like a high level description of what it is, and what operating systems need to do in order to support it in virtual machines.
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0answers
78 views

How to open a VMWare VMDK file

I have a .vmdk file for Ubuntu Linux that I'd like to open up in VMWare Workstation. I tried creating a new Virtual Machine and adding the .vmdk file as an existing hard disk. But, the virtual ...
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1answer
28 views

Guest VM not having internet access through firewall VM

I'm doing the following network setup (first time with firewall) but it's not working, unsure where its going wrong. I have a Fortigate VM firewall port 1 IP 192.168.132.5 on vmnet8(NAT) in VMWare, ...
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2answers
82 views

How do i enable Virtualization (VT) on Windows 7?

How would I enable vt for Windows 7? Thanks
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0answers
45 views

Unable to enable Intel TXT in bios

I installed Vmware in my Windows 10. The VM unable to start up because of Intel VT-x is disabled and disable trusted execution. I go to bios and enabled Intel VT-d but Intel TXT not able to enable. ...
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1answer
31 views

Connect to LinuxKit with ssh from Windows 10

I can build and run LinuxKit with Windows 10 or Ubuntu 18.04. But when I try to connect with ssh the connection is dropped. I tried both the ssh example and the regular "linuxkit.yml" examples. How ...
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1answer
45 views

Why can't I enable virtualization [closed]

I'm trying to enable virtualization on my laptop but I cannot find the option to do so in BIOS. This is where it should be (I think) but it isn't: I'm quite I should be able to enable virtualization ...
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3answers
144 views

Creating an external virtual switch on Hyper-V causes host to experience very slow networking

I've set up my Hyper-V environment (Win 10 Pro 64-bit, update 1809) to have an external virtual switch bound to my wifi adapter and shared with the host OS. I've used this virtual switch with my ...
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2answers
130 views

Are Vagrant virtual machines (Virtualbox) safe from accidental shutdown/reboots?

Say your host machine got shutdown abruptly or somebody pressed the reboot button and your Vagrant VM is in a running state (e.g., not on halt or suspend state). Will they survive when the host ...
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27 views

Vagrant / Virtualbox, can't sync folders, then can't SSH

Host machine is Windows 7. VM box is: centos/7 Provider is Virtualbox After several hours of getting it to "work". I now realized synced folders is not working. After research, they said I need to ...
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0answers
10 views

WinServer 2016 NanoServer: -Compute vs SCVMM Package

I've read a small topic about Nano Server 2016. In one chapter (about image creation) it's said that you can use New-NanoServerImage -Compute or New-NanoServerImage -Packages Microsoft-Nanoserver-...
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0answers
4 views

Connecting USB Device to XenServer VM

I have USB WiFi adapter and I need to connect it to a VM in XenServer. Is there a way to do it? I have version 7.6 installed
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1answer
95 views

Can Linux export disk images as ATA devices over Ethernet?

This is pretty much just plain curiosity. But there is a thing called ATA-over-Ethernet, which should be supported by Linux and which allows you to export raw disk access over Ethernet directly in ...
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0answers
9 views

ESXi management freezes

I've been running an environment at home running ESXi 6.7 for some of my school projects and to learn more about virtualization. Currently, there is a Plex VM and a webserver VM. The host specs are: ...
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0answers
106 views

Xen on Ubuntu Server 18.04 stuck after boot

I have setup an Ubuntu Server 18.04 Machine where I installed Xen Hypervisor via the following: sudo apt install xen-hypervisor-4.9-x64 Installation went fine, but after reboot (after POST and ...
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1answer
33 views

Virtualbox stopped working PXE-E51, No DHCP or Proxy DHCP

The virtualbox suddenly keeps losing connectivity. Error message: Client Mac Addr.... PXE-E51, No DHCP or Proxy DHCP. PXE-MOF: Existing Intel PXE ROM. Fatal: Could not read from boot medium. I use ...
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3answers
746 views

What is the purpose of snapshots in virtualisation software?

I've recently started using virtualisation software more often, specifically VirtualBox, and the idea of snapshots confuses me. I understand that they give the user the ability to revert a VM to a ...
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1answer
193 views

VT-x not available in Windows 10 Pro even though i5-6400 CPU supports VT-X

I have an Intel Core i5-6400 CPU installed on a ASUS Z-170A mainboard. According to the documentation of my CPU, this CPU supports Intel Virtualization Technology (VT-X) and it is listed as ...
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1answer
114 views

USB redirection in libvirt

I'm running libvirt under Fedora 28. I would like to attach a USB device to a VM, but when I select "Redirect USB Device" from the "Virtual Machine" menu in virt-manager and then select the device, I ...
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0answers
31 views

USB Soundcard randomly? stops working

My USB soundcards stop playing sound after a while. The device does not seem to disconnect but only works after replugging, selecting a different audio device and then selecting the usb device again. ...
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1answer
25 views

how to copy virtual machine for use in vmware

I have my virtual machines of Vmware 15 in following folder E:\installed software\vmware\virtual machines I have downloaded a cloudera virtual machine for hadopp in folder E:\studies\programming lab ...
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1answer
75 views

Virtualization without a OS? [closed]

What is a program like VirtualBox, that can be installed Directly on Hardware, without using any OS?
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1answer
54 views

Let Linux host use (wireless) network driver of Windows VM

I bought a Wifi network adapter (Asus PCE-AC88) that is not compatible with Linux - even if it works, it is very slow. With Windows drivers, the card is extremely fast. I'm a Linux-only user so I won'...
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3answers
100 views

Can anyone explain what policy-driven is?

I read some info about copy data management Some websites said the CDM has the following term. Policy-driven orchestration is the automation of the copy data lifecycle, ideally through a drag-...
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1answer
120 views

Unable to get KVM working on Fedora Linux running on a AMD machine

I have been trying to get KVM working on my Fedora Linux installed on a desktop computer with AMD processor with no success. [kp@localhost ~]$ lscpu | grep svm Flags: fpu vme de pse tsc ...
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0answers
190 views

Hyper-V Virtual Switch overrides the default Ethernet adapter

I'm trying to create a new external virtual switch in the Hyper-V manager. When I do that, my network stops working properly. It seems that when the virtual switch is created, it copies some of the ...
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0answers
47 views

XenServer 7.5 Virtual Machines not booting without installation media

I recently turned an old gaming computer into a server and decided to put XenServer 7.5 on so I could flip between Windows and Linux servers. Installation of the hypervisor went well and I proceeded ...
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2answers
59 views

Running Windows Azure .vhd locally with VirtualBox on mac os host

I downloaded a detached disk from Windows Azure (it contains Ubuntu Linux). After download i renamed abcd to abcd.vhd as per azure suggestion and tried to mount on a virtual machine created on ...
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2answers
61 views

Does using NETSTAT command in VM host show connections from an active VM guest?

I understand this is a kind of dumb question. EDIT: I mean, if you run NETSTAT in a OS which HOSTS a VM, will the command return the guest VM's connections? The logic says that all connections ...