Questions tagged [xen]
Xen is a hypervisor based virtualization. It supports x86, AMD64, IA64, ARM and other CPU types, and Linux, Windows, Solaris and *BSD guest operating systems.
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How to connect to Xen XAPI/XCP-NG VNC/RFB connection urls?
How can I connect to Xapi-style urls such as https://192.168.1.45/console?uuid=e82eeea4-4d88-d31a-aabd-c4207ca6c24d with a normal vnc client?
Remmina seems to straight up crash with that as the host, ...
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Change MAC of VM on Xen
I have a Xenserver6 and multiple VMs on it - using Xen Orchestra I wanted to change the IP of a VM network device but accidentally shut it down before I could change the MAC. The way the server is set ...
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VM down : Failed to read /vm/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/domains: has this domain already been cleaned up?
I'm having a problem with my xcp-ng server, and I'm using the xcp center 20.04.01 on Linux xcp-ng 4.19.0+1. I didn't done anything like update before the issue occurred, everything was working fine ...
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Debian 12 upgrade, kernel/initramfs loads only 1 SAS card out of 2
I am upgrading a server with 2 SAS cards from Debian 11 -> Debian 12
I have come upon an interesting problem. At first it didn't load any SAS cards and I got to initramfs.
Increase disk detection ...
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XCP-ng Local Storage SR on LVM is unplugged and errors when being re-attached
I have an XCP-ng cluster running XCP-ng 8.2.1 and following a patch and reboot the local storage SR is showing as unplugged. This is an XCP create LVM on a RAID drive, the same RAID drives contain the ...
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Can't connect to MariaDB from internal VM Structure
S1
Virtual Machine 1: Ubuntu app server
Virtual Machine 2: MariaDB 1
S2
Virtual Machine 3: Ubuntu app server
Virtual Machine 4: MariaDB 2
from vm04 and 03 I can connect to DB1 with connection string ...
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Is it (still) possible to overcommit cpu with Xen?
Common hypervisors (Proxmox, Vmware, KVM..) do not prevent the sum of allocated virtual resources (such as vCPU) to exceed the number of physical ones, even if some of them (OpenStack) do limit the ...
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Gtk-WARNING **: 20:45:08.481: Locale not supported by C library. Using the fallback 'C' locale
[root@server ~]# virt-manager
Gtk-WARNING **: 20:45:08.481: Locale not supported by C library.
Using the fallback 'C' locale.
(virt-manager:10415): Gtk-WARNING **: 20:45:08.482: cannot open ...
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find most recent snapshot using xen command line
I am using Xen, and for each of our VM's we have set up a process to create a new snapshot of the VM every morning, with the last seven being kept.
I am now trying to write a script to test restoring ...
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Finding mystery Linux memory usage - not caches or slab (or ballooning?)
I have a Xen VM running Debian Linux with a weirdly large amount of RAM used. What might be the culprit? I believe I've ruled out the usual suspects of disk caching, kernel slab usage, and memory ...
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How "real" is the POSIX clock in a virtual machine?
Introduction:
Time is OS like Linux is typically derived from a clock chip (RTC), or maintained by software using either periodic interrupts or some hardware registers (e.g. CPU's TSC cycle counter) ...
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Install Ubuntu 20 PV guest on a Debian 10 Xen
Struggling to find a guide to do this. I've understood that xen-tools supports installing Ubuntu guests on Debian so that should be a fast and easy way but can't find any examples.
Anybody knows a ...
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Xen hypervisor: What does the acronym RMRR mean in "(XEN) [VT-D] It's risky to assign" ... "with shared RMRR at"? What are the risks?
I'm running Qubes-OS 4.1.0
While looking through the /var/log/xen/console/hypervisor.log I stumbled over the following messages:
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(XEN) [VT-D] It's risky to assign 0000:00:14.0 with shared RMRR at ...
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There is a way to pass the option " pci=[’00:...,rdm_policy=relaxed’] " to libvirt?
I can run (successfully) a xen virtual machine use the classical method with xl
xl create -f myvm.xenxl.cfg
I know also how to convert from xl format to libvirt xml
virsh -c xen:///system domxml-from-...
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How to run xen hypervisor on a computer that only supports UEFI?
I have tried updating the bios, disabling hyperthreading, adding xen.efi to its proper location within Ubuntu, building xen from source, etc. Yet I cannot get past the following error
a Xen panic ...
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