0
votes
1answer
27 views

Why is [ssh,scp,rsync,etc] so slow, from a VM to another local machine on my gigabit local network?

I have a VM A running the latest archlinux with QEMU, KVM and a Virtio network card. It is a buildbot and it needs to drop the result on another machine B on the local network. The VM is started with ...
0
votes
0answers
12 views

Wrong modification times when saving on Samba share

I have a kvm virtual machine with Windows 8.1 with main purpose for Word/Excel and a bit of PowerPoint. Sometimes I save the virtual machine state and when turning it on again, the date and time of it ...
2
votes
1answer
97 views

How to mount KVM virtual machine image to VirtualBox?

I have received a .img file of a server which is a Virtual Machine running in a KVM environment. The Virtual Machine has Ubuntu installed. I would now like to take this .img file and "emulate" the ...
0
votes
1answer
59 views

Weird output from linux `top` command

I got a weird output from command top, which shows the summation of the RES column is greater than my physical memory. For instance, I have a host with 64G physical memory and the swap partition has ...
0
votes
0answers
20 views

Create new VM based on existing .vhd with command line

I created an Ubuntu Server .vhd with Virtualbox and would like to boot it on another Ubuntu Server instance using kvm. How can I boot the .vhd and have it used bridged networking?
0
votes
0answers
16 views

KVM images not reading from custom location

In CentOS linux server I have a disk scenario as , A LV with vg0 in it and in that I have created a directory with intention as KVM have to read the images from this location. I have set KVM to read ...
0
votes
0answers
45 views

No connectivity in virtual machine (kvm)

I have installed virtual machine using kvm. But i cant access network . My ifconfig shows the following [root@server recorder]# ifconfig br0 Link encap:Ethernet HWaddr E0:CB:4E:DD:88:CF ...
0
votes
0answers
41 views

VPN across three VPS's

I have three servers running on virtual machines. The gateway is 192.168.0.1, and the hosts are the numbers 2,3 and 4. The first host is serving a PHP script which outputs the visitor IP ...
0
votes
0answers
59 views

Virtual machines using wrong IP addresses

I have a host computer (A), running three virtual machines: X,Y and Z. They're under a NAT layer, in which the Host A is the gateway (192.168.0.1/16), and the VM's are respectively 192.168.0.2 (X), ...
0
votes
0answers
72 views

How to access CD-ROM inside kvm guest machine?

I am using KVM in Scientific Linux 6.4 Inside that KVM again I installed Scientific Linux 6.4 as a guest. Now I want to access CD-ROM from that guest machine. In the command prompt it not showing any ...
0
votes
0answers
12 views

Scheme to “right click”-configure and start a new server on a KVM host

What I have: A KVM host where I host several (primarily) Linux servers with various duties. (I am aiming for a scenario where each box have its dedicated job/function, not chucking every logical ...
0
votes
0answers
104 views

Linux as l2tpv3 client

I'm looking for a way to get either my Ubuntu box or a KVM instance to act as an l2tpv3 client to the l2tpv3 server. It has to be l2tpv3 without IPsec. The Ubuntu version is 12.04.3 LTS. Any pointers ...
1
vote
0answers
80 views

Unknown OS hostname and product in virt-manager

I'm using libvirt on a Fedora 19 host, running various Linux guests with QEMU and KVM hypervisors. Using the virt-manager GUI, when I look at the guest Overview screen, in the Operating System ...
3
votes
1answer
311 views

How can I write a Windows (NTFS) .img file to a partition and add it to grub?

I'm trying some crazy stuff here. First, I had a VirtualBox machine with Windows XP installed, using .vdi format. Then I exported the image to a OVA, extracted the .vmdk and converted it to a raw .img ...
0
votes
1answer
761 views

vagrant fails to create box with libvirt

I am trying to setup a box with vagrant and libvirt with the following Vagrantfile Vagrant.configure("2") do |config| config.vm.define :test_vm do |test_vm| test_vm.vm.box = "test" ...
0
votes
1answer
1k views

How to ignore a USB device in udev

I want to pass a USB device (to be precise: a smart card reader) to a KVM virtual machine, and therefore have to prohibit that it is claimed by any driver on the host machine. I tried to write a udev ...
0
votes
1answer
90 views

Permanently detach device

I'm setting up a vm box and I've enabled IOMMU. Works great, except I get PTE Read access is not set errors flooding my dmesg. In particular it is for one device, a USB 1.1 controller, that just ...
4
votes
1answer
1k views

Running the same Windows both in KVM and physical

I have kind of an advanced question for you, I would like to install Windows on my hard drive (which is GPT formatted) but I would like to be also able to run it in KVM. To clarify, the same Windows ...
1
vote
3answers
2k views

Host-only-like interface in KVM

I just migrated from Virtualbox to KVM, everything is very good. But I've a little bit confused in network adapter type. In Virtualbox I have host-only adapter, which are virtual nic (no bridge), and ...
2
votes
2answers
3k views

Prevent radeon driver from attaching to specific PCI devices?

I have two Radeon cards in this machine, a 6570 and a 6950: lspci | grep VGA: 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Turks [Radeon HD 6570] 02:00.0 VGA compatible ...
1
vote
0answers
117 views

Guest slow after being idle for awhile

I've been playing with ESXi and Linux KVM to try to find out which one best suits our needs. With both of these solutions I've run into the same situation. After a guest has been idle for some time ...
2
votes
2answers
2k views

How to tell if I am on a XEN or KVM Server?

Is there a way to tell if I am on a XEN or KVM linux server? Reason I asked is nothing is on top yet I am seeing load averages high well after I do tasks and I am getting hangs/spikes when I do simple ...
0
votes
1answer
760 views

KVM with failover setup

We have a server running several virtual machines using KVM. While it works well, we are worried about potential hardware failures on that one physical server. We do backup nightly to a different ...
1
vote
3answers
5k views

Guest and host cannot see each other using linux-kvm and macvtap

I'm migrating a kvm virtual machine from an old host (both hardware and OS) to a new one. For networking, virt-manager proposed me a new option: macvtap. This looked a good alternative to setting up ...
0
votes
1answer
151 views

How to find out the max size of a image disk file created by kvm-img?

I created a VM disk image with kvm-img, but I forget what was the max size of that disk image when I created it. Currently, its size is 6.2G, I want to install some large packages in that VM, so I ...
4
votes
1answer
2k views

Where can I config service startup options in Ubuntu?

I'm not used to using Ubuntu or Debian as a server. I'm more accustomed to Red Hat/Fedora ways and even Gentoo (yikes). Under Red Hat installs, you can often configure most services that start from ...
0
votes
0answers
599 views

Networked Parallel Port in Linux / KVM / QEMU

What I want to use is the "-parallel" tcp or udp option from KVM / QEMU, but I don't seem to find any server for this client. I don't serve a printer but a hardware dongle. I checked ser2net, which ...
1
vote
1answer
485 views

Connect to virtual KVM machine/VNC from Xorg

I have a main Ubuntu system and a virtual Windows system, set up using QEMU/KVM. So, I can start Windows using virt-manager and connect to it using a VNC client. But what I really want to have is a ...
4
votes
2answers
6k views

Virtualized Screen Resolution

I have a 64 bit Ubuntu 9.10 workstation with two virtualized guest OSes using KVM/QEMU. Also both 64-bit. One is Fedora 12 the other is beta of Ubuntu 10.04. The problem is that I would like to use ...