XEN is a hypervisor based virtualization technique.

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2answers
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Seamless mode in XEN?

Is there a seamless mode for XEN like the solution for VirtualBox? UPDATE: under e.g.: having Ubuntu 11.04 as dom0. With seamless mode I mean to integrate the guest vm's window[s] to the host's GUI.
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1answer
506 views

What is a cheap Citrix XenServer build?

Was wondering if anyone knew of a cheap XenServer build. Want to build two hypervisors using Citrix XenServer (based on open source Xen project). I was hoping for at least 8gb of ram on each and ...
5
votes
3answers
1k views

What is the fastest Virtualization solution for Linux?

Is it still XEN? Or is it VirtualBox, KVM, VmWare or else? With fastest I mean that the guest VM is fast (the smallest speed loss because of Virtualization)
6
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2answers
5k views

GPGPU/CUDA in KVM or Xen

We would like to enable direct access to CUDA-enabled GPUs within either KVM or Xen (or Citrix Xenserver). Specifically, we want to use PCI passthrough to access an NVIDIA Tesla S2050 unit, which is ...
5
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1answer
5k views

What is hvc0? (appearing in “who” list)

I have an Ubuntu Server, and when I type who, to see who's connected, I can see that there's a user connected, and instead of being logged to a pts/x, he's connected to hvc0. Is there something to ...
3
votes
1answer
994 views

Debian 6.0 and Xen PyGrub failure

On my VPS (running Debian 6.0 on Xen with PyGrub) I get the following error when trying to upgrade the system: Searching for GRUB installation directory ... found: /boot/grub warning: grub-probe ...
5
votes
1answer
2k views

avoid IPv6 link local address on interface

I have a setup with virtual Xen hosts connected to a set of VLAN-s. On Dom0, I have set up a bridge for each of my VLAN-s to connect DomU-s to. Bridges are set up in /etc/network/interfaces like ...
2
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1answer
504 views

How long should it take to generate 300 bytes of entropy on a VPS?

I'm running NetBSD on a Xen VPS, and I'm trying to generate a gpg keypair. I've gotten most of the way there, but now I'm getting the following error message: Not enough random bytes available. ...
2
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1answer
567 views

Fedora 14 Xen virtual machine does not detect network

I'm trying to create a para-virt Fedora 14 Xen vm on a host running CentOS 5.5. The VM appears to initially install correctly (the installer finds eth0 and can access the installation media). But when ...
6
votes
2answers
762 views

Good tutorial for setting up a KVM/Xen box and advice on which would be better

I've got a dual xeon, 2GB, 75GB hd server that I'd like to turn into my dedicated virtual environment. Currently I'm using VirtualBox locally to run a mock cluster for Cassandra and Nginx/Haproxy, ...