xen Questions
3
Solved
I know QEMU is used by Xen, and KVM is a fork of QEMU.
So, KVM includes that Xen adds to QEMU ? What is the name ?
Thanks
Graycegrayheaded asked 24/4, 2012 at 23:19
16
Solved
I need to detect whether my application is running within a virtualized OS instance or not.
I've found an article with some useful information on the topic. The same article appears in multiple pl...
Larva asked 30/9, 2008 at 17:42
3
I have an Ubuntu 14.04 host running xen, with a couple of VM's (win7 and another 14.04). I created these remotely using virt-manager. They've been running nicely for quite some time.
But when I tr...
9
Solved
I know that BEA was working on LiquidVM which didn't require an underlying operating system, but would like to know if anyone in the open source community is working on something similar.
Ideally ...
Gala asked 18/4, 2009 at 13:24
3
Solved
Recently, I found out that there is the QEMU project. I've used VirtualBox before, and I know about Xen and VMWare.
What are the differences between QEMU and VirtualBox? Should I stick with ...
Farriery asked 30/4, 2017 at 9:22
1
The system I use is ubuntu-12.10-desktop-amd64
I install perf through
apt-get install linux-tools linux-tools-common linux-tools-3.5.0-40
when I use perf list, it list all the events as expecte...
Farad asked 4/11, 2013 at 7:4
1
Solved
I am currently using a Simics module (see chapter 6) to listen for instruction fetches and data accesses, and run callbacks on all of those events so as to instrument a kernel that is running on Si...
Hypso asked 4/12, 2016 at 4:34
2
Solved
I've written a simple MirageOS-based Unikernel to execute a basic HTTP GET call. While it is working without any problems when I run it as a Unix binary, the moment I configure it for XEN (mirage c...
3
Solved
I recently deployed a tiny Haskell app with docker, using "scratch-haskell" as a base image.
Then I read about Unikernels and HALVM. And I got a little confused.
My docker container is about 6MB ...
1
Solved
Before the advent of hardware assisted virtualization there were instructions that could not be virtualized due to various reasons. Can somebody please explain what those instructions are and why t...
Sexcentenary asked 26/9, 2015 at 6:32
2
Solved
I have tried both the Git shell installed by GitHub and that provided by Git for Windows on my Windows Server 2012 R2 virtual machine on XenServer 6.20
With each, git command line calls fail with ...
Jakob asked 4/2, 2014 at 11:10
1
There's a number of projects that produce complete images from your app, bootable on xen as a machine. For example Erlang on Xen, OpenMirage, HaLVM, and others.
Why is Xen the default hypervisor f...
Danyel asked 17/2, 2014 at 11:36
2
How is Docker related to exokernal approaches like MirageOS?
For some information about MirageOS see:
http://www.xenproject.org/developers/teams/mirage-os.html
http://www.se-radio.net/2014/05/ep...
5
Solved
Anyone know of any virtualisation solutions that either allow CUDA/OpenCL access directly or implement CUDA/OpenCL abstraction.
UPDATE: Thank you those who commented. While classical 'deskto...
Oriya asked 14/3, 2011 at 12:16
1
Solved
In Xen code ./xen/include/asm-x86/config.h, I saw the memory layout code is:
/*
137 * Meng: Xen-definitive guide: P81
138 * Memory layout:
139 * 0x0000000000000000 - 0x00007fffffffffff [128TB, 2^4...
2
Solved
It happen to me to find a VM in XEN run out of memory, OS kill its shell tty so there is no way to input command in VM internally. The only way to fix is shutdown or reboot the VM.
"xm shutdown V...
Claraclarabella asked 2/4, 2013 at 14:35
1
Solved
We can use AWS::CloudFormation::Init to execute commands and upload files after starting an instance. But does anybody know what are the internals of this operation (from Amazon's side)?
When we ...
Eberhard asked 22/1, 2013 at 8:50
1
Solved
I'm trying to add a switch to send linux kernel log to the serial console on XenServer6.
The kernel command options can be edited on the EXTLinux config file ( /boot/extlinux.conf ).
Here is an e...
Palladic asked 19/7, 2012 at 2:4
7
I need to determine when my Python script is running in a Xen virtual machine. The VM will be running Linux.
I can't find anything obvious in the platform module. The closest I can get is the appe...
5
Does anyone have experience of comparing Xen Server 5 and VMWare Infrastructure 3. I'm planning a virtualization project and looking at the Enterprise edition of both. They both seem to offer very ...
8
I ordered a server for the home office and I would like to partition it with Xen. I think this will keep things clean and easier to maintain. I will be running things like MySQL, PostgreSQL, ...
Welloiled asked 15/2, 2009 at 20:38
2
Solved
Is there an OS command I can run from within a Xen based virtual machine to tell me that it is a virtual box rather than a physical box - I heard that the kernel had some self awareness smarts abou...
4
Solved
I'm writing a a very small daemon that must remain responsive even when a system is under severe stress. I'm looking at the differences between SCHED_FIFO and SCHED_RR in regards to scheduling, as ...
Pig asked 1/1, 2009 at 18:14
2
Solved
I am trying to understand this inline assembly code which comes from _hypercall0 here.
asm volatile ("call hypercall_page+%c[offset]" \
: "=r" (__res) \
: [offset] "i" (__HYPERVISOR_##name * siz...
Navar asked 4/11, 2009 at 10:26
4
Solved
I am trying to perform a fair comparison of XenServer vs ESX and one comparison I would like to make is performance with multiple VMs. Does anyone know how to go about benchmarking VM performance i...
Kassab asked 5/2, 2009 at 16:38
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