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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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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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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
45 views

Windows 10 Pro: Intel HAXM and VMWARE not work since VT-x not available on i5-6400 CPU while 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
14 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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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. ...
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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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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?
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1answer
29 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
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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
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 ...
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44 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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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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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
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 ...
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1answer
127 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 ...

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