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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1answer
27 views
One virtual machine per environment [on hold]
My employer bought me a powerful computer and allows me to use it for school, job and personal stuff.
As it would be 3 different environments, which would probably require different Software ...
0
votes
1answer
8 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 ...
1
vote
2answers
45 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 ...
1
vote
1answer
55 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 ...
0
votes
1answer
32 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
...
0
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0answers
26 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.
...
0
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1answer
22 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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votes
1answer
67 views
Virtualization without a OS? [closed]
What is a program like VirtualBox, that can be installed Directly on Hardware, without using any OS?
1
vote
1answer
32 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'...
0
votes
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-...
2
votes
1answer
63 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 ...
0
votes
0answers
48 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 ...
1
vote
0answers
23 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 ...
0
votes
0answers
36 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 ...
1
vote
2answers
36 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 ...
0
votes
1answer
131 views
Change default GPU device for Xorg/GDM after PCI Passthrough?
The Intel Corporation HD Graphics 510 device should be used for the Ubuntu host system.
The NVIDIA Corporation GP107 device had been reserved for KVM usage.
The Ubuntu host system cannot properly ...
1
vote
1answer
121 views
How can I give my only VGA controller to a virtual machine?
So I have Linux host which is my main OS and a Windows guest OS which I use for doing my Windows work.
Sometimes I would like to play an old game (which I'm sure can run on my integrated GPU) or have ...
2
votes
0answers
25 views
Isolate single device into separate IOMMU group for PCI passthrough?
I have below IOMMU groups and devices.
$ for a in /sys/kernel/iommu_groups/*; do find $a -type l; done | sort --version-sort
/sys/kernel/iommu_groups/0/devices/0000:00:00.0
/sys/kernel/iommu_groups/1/...
0
votes
0answers
190 views
How can I perform nmap scanning on a Windows virtual box
I am trying to do an Nmap scan to a Windows 2016 Server virtual machine from my host Windows 10 machine. I want to see the open ports in the virtual Windows machine. There is no problem with the ...
0
votes
1answer
163 views
How can I create a virtual switch which allows the virtual client to communicate with the host but not with the internet
I'm using Windows 10 Enterprise and the Hyper-V Manager.
I want that my virtual machine is able to see the host but not the
cooperate network and internet.
I want to be able to connect from
the ...
0
votes
0answers
30 views
“Bare Metal” like Virtualization
I know this question might appear very generic, but I imagine that the solution is not that simple and there are many other users intrested in the outcome.
So what I would like to do is not to ...
2
votes
1answer
89 views
Is this network setup possible/valid?
I previously asked this question on network engineering but my question was put on hold there and I was advised to try it on superuser, so here I am.
I am planning a little network for a business ...
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votes
1answer
31 views
Is it possible to run a single VM on two bare mettal?
I have two bare-metal machines with the following configuration:
machine1
CPU: 4 cores
ram: 16GB
HD: 200GB
machine2
cpu: 4 cores
ram: 16GB
HD: 200GB
is it possible to have a VM using these two ...
0
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0answers
27 views
0
votes
1answer
22 views
Storage workload differentiate
I am searching some info about storage implementations.
Came across random workloads which would be the bets measure by IOPS and sequential where measurement unit would be bandwidth.
I would like to ...
0
votes
2answers
355 views
Windows 10 Hyper-V Default Switch IP Assignment
I am new to hyper-v and have used VirtualBox in the past. I am running Windows 10 version 1709. I created a new RHEL 7.5 VM and connected it to the default switch.
When I try to use my network ...
1
vote
0answers
35 views
How to disable buffering for a LVM partition under QEMU KVM
I'm using Windows 10 under QEMU KVM on a Fedora 27 box. Disk for a VM is attached as a raw LVM partition with cache=none.
<disk type='block' device='disk' >
<driver name='qemu' type='raw'...
1
vote
2answers
54 views
Best way to setup Windows laptop for easy recovery [closed]
I'm a software developer and have lots of system configured aspects on my development Windows 10 laptop (SQL Server, IIS, IDEs, etc). Over the years, I've had several hardware failures and the ...
0
votes
1answer
240 views
Can't access the BIOS in a Lenovo ThinkPad T430i
I have a ThinkPad T430i running Windows 10. I want to enable virtualization, so I need to access the BIOS to enable the feature.
When I reboot my laptop it asks me to press Enter to interrupt the ...
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votes
1answer
12 views
Create Partitions on MacBook Pro
Is it possible to create a Windows 10 partition on a MacBook Pro? I'm thinking of getting a new MacBook Pro, but I need to run Windows 10. Within Windows 10, I need to be able to run Docker and Hyper-...
0
votes
1answer
28 views
Do Windows environments in Parallels have virtualization enabled?
I have a MacBook Pro. I need to run Windows with virtualization enabled. I need to be able to run Hyper-V and Docker images in my Windows environment. My question is, do Windows environments in ...
0
votes
1answer
70 views
I can't turn on virtualization to run Ubuntu in Virtual Box on my AMD-V machine
I set up Ubuntu in Virtual Box (the version 4.3.28.0, I uploaded it older, because new version makes mistakes), and when I start it, it emit this error:
Failed to open a session for the virtual ...
0
votes
1answer
315 views
VirtualBox suddenly returning Hyper-V errors, despite hyper-v being disabled
I've encountered a recent issue in VirtualBox. It's recently started giving me errors such as: VT-x is not available(VERR_VMX_NO_VMX). On another one of my virtual machines it says: Raw-mode is ...
0
votes
1answer
22 views
Virtualization: having hypervisor and VMX/EPT same time
Recently, I updated to Win10 2018 April Update (1803 build) and stumbled at a virtualization modes thing.
Intro:
If you run coreinfo -v command you should see 3 lines:
HYPERVISOR
VMX
EPT
Situation:...
0
votes
0answers
123 views
EVE-NG/GNS3 - Does RAM memory speed matter for virtualization?
What is the impact of RAM speed & latency on apps such as GNS3, EVE-NG, Virl & VMWare?
I'm specifically talking about RAM here, my friend recommended me buying [not sure if I'm allowed to ...
0
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0answers
38 views
Limit disk IOPS in a VM in VMWare Workstation Player
I'm looking to simulate the effect of a slow disk on an application. Is it possible to limit IOPS in a VM in VMWare Workstation Player 14? If so, what do I need to add to the vmx/vmdk config files?
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0answers
21 views
Connect to VMware ESXi 5.5 Virtual Machine using WinSCP
I've been tasked with setting up an attack lab for my office. We have an ESXi 5.5 Server up an running with several virtual machines, however I've hit a snag;
We can't have the lab networked at all ...
0
votes
1answer
62 views
Why my Hyper-V converts the disk to SCSI
I have a SATA disk, and I installed Windows 10 on it. After I enabled Hyper-V, I created some virtual machines. However the VM all see an SCSI disk, and I can't find out how to change it. Even the ...
0
votes
1answer
362 views
Unable to build QEMU 2.12 with WHPX (Windows Hypervisor Platform) enabled
[If this is in the wrong StackExchange feel free to redirect me.]
I've been interested in using QEMU for a while but also wish to use Hyper-V for Docker on Windows. I discovered that the new WHPX ...
0
votes
2answers
85 views
What can I do with computer besides changing the processor when it doesn't support virtualization?
My computer doesn't support hardware virtualization. What can I do?
If I install any kind of software will it help or is there any solution available for this problem besides changing the processor?
2
votes
0answers
151 views
Virtual Machine CPU allocation with multiple virtual cores
I'm rather new to the field and Stack Exchange, but I'll try to make this question not garbage. This has really been bugging me recently, because I'm trying to set up something on a VPS and
The ...
0
votes
0answers
6 views
Kubernetes: Persistent Volume claim storage request update
Is it possible to update Persistent volume claim's storage value dynamically ?
Example, if I have a PVC defined as given below for 5Gi for storage, can I update later as 2Gi, so it gets reflected in ...
0
votes
1answer
550 views
How do I enable VT-X on a Surface Book 2? WIN 10, i7-8650U
The processor is an Intel i7-8650U, it supports vt-x.
You can boot into the "BIOS" by shutting down and then booting while pressing the volume up button; stop pressing once the Windows logo appears. ...
2
votes
1answer
2k views
Error with Oracle VM VirtualBox: VT-x is not available (VERR_VMX_NO_VMX) [duplicate]
I've recently installed Oracle VM VirtualBox on my Windows 10 computer, and I'm trying to make an Android Virtual Machine. The problem is that when I go to start the VM, it displays the following ...
0
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0answers
35 views
“VboxManage debugvm dumpvmcore” error
I'm trying to make an .elf file with VboxManage.exe using the command:
C:\Program Files\Oracle\VirtualBox>VBoxManage.exe debugvm "win8.1" dumpvmcore --filename="%userprofile%\desktop\mem.elf"
I'm ...
3
votes
1answer
60 views
How to create a linux container which inherits the hosts root file system, possibly with zfs?
What
Hopefully the question in the title makes sense. I am wanting to create a low overhead (therefore no virtual machine) copy of the host operating system, with it running in a linux container.
I ...
2
votes
1answer
31 views
Is it possible to treat a thread as a core in QEMU?
When using a multi-threaded CPU, is it possible to treat a thread as a core to have double the available cores to the guest OS?
1
vote
1answer
582 views
Using a VPN inside a virtual machine
If I use VPN software (on a gust windows VM) to connect to a certain server (not via port 80), can the server see the host IP? I have an expressVPN subscription, planning to use it with virtualbox. ...
0
votes
1answer
374 views
Virtualization (VT-X) stopped working on w10 machine. How can I start it again? [duplicate]
I have a Windows 10 Home machine (Lenovo Y520) with a Core i7-7700HQ processor. Windows 10 and the BIOS are up to date. So is Oracle Virtualbox.
Until recently it was running VMs just fine with ...
3
votes
2answers
159 views
How can I create a virtual wireless network adapter for testing?
I need to do a few tests on wireless adapter management via group policy. The most convenient way to do this is via a virtual environment hosted on my workstation, and for most scenarios there are no ...
