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Error 9090: Xen 4.2 with Centos 6.6 but Ubuntu/Xen works fine on same hardware

operating-system,centos,xen,hypervisor,efi

Of all things... If the exact same process above is followed, however one uses the Centos 6.6 Netboot install and selects: X86_64, with minimal install and loading the installation from the URL (not from a DVD version) it works! The URL I used was: http://mirror.centos.org/centos/6/os/x86_64 both 'xl list' and 'xm...

resize2fs LVM root on CentOS 6.6 64-bit guest on XenServer 6.2

centos,virtual-machine,xen,ext4,lvm

Eventually found the answer online... Boot from LiveCD Open a terminal sudo su -l Switch user to root vgchange -aay This is the magic. It will automatically find and activate existing volume groups. e2fsck -f /dev/mapper/VolGroup-lv_root Force check the volume for errors resize2fs /dev/mapper/VolGroup-lv_root Add available space to volume e2fsck...

Xenserver - Access guest VM directly from host

desktop,virtualization,xen,hypervisor

You can use a simple text console on the host to interact with the guests xe console vm=guest but I don't know of a way to access a graphical interface from the host....

Docker Container compared with Unikernel

docker,xen,halvm,unikernel

from http://wiki.xenproject.org/wiki/Unikernels What do Unikernels Provide? Unikernels normally generate a singular runtime environment meant to enable single applications built solely with that environment. Generally, this environment lacks the ability to spawn subprocesses, execute shell commands, create multiple threads, or fork processes. Instead, they provide a pure incarnation of the language...

How to build a Xen unikernel of Mirage OS

xen,opam,unikernel,mirage

Chances are that your version of mirage-xen is out of date. You can update it via OPAM by: opam update -u opam info mirage-xen Make sure that you have mirage-xen version 2.1.1 or greater (the latest as of this comment is 2.1.3). If you don't pick up the upgrade, then...

Does XEN PVH mode requires Intel VT-x or AMD-V HW virtualization?

virtualization,xen,hypervisor

pvh only works with intel vt for now and there is no support for 32bit guests yet, as you can see in the readme http://xenbits.xen.org/docs/unstable/misc/pvh-readme.txt Following remain to be done for PVH: AMD port. https://blog.xenproject.org/2015/01/15/less-is-more-in-the-new-xen-project-4-5-release/ PVH initial domain support for Intel has been added and now supports running as dom0...

XenServer increase vm-disk error

disk,xen

I've got a solution: The Probelm was that XenServer needs a special version of lvm. LVM version: 2.02.88(2)-RHEL5 (2014-04-04) Library version: 1.02.67-RHEL5 (2011-10-14) Driver version: 4.15.0 In this case lvcreate is a symbolic lik to lvm and the newer version has other arguments to increase one of the vm disks....

What do 209 and 210 mean in the Set command of iPXE

virtual-machine,xen,ipxe

This is how iPXE works. Client (with iPXE firmware) requests a dynamic IP from the DHCP server. DHCP server offers an IP, as well as extra "options", which include where to download a file to boot. Client uses TFTP or HTTP to download a boot file. iPXE can handle multiple...

What is the difference between xen-linux-system-3.16.0-4-amd64 and xen-linux-system-amd64 in Debian 8 Jessie

linux,debian,xen

xen-linux-system-amd64 will just be a dependency on the latest version in the distribution, which is currently xen-linux-system-3.16.0-4-amd64. Should a newer version be introduced at some point, xen-linux-system-amd64 will have a dependency on that version instead. If you want to stay on the old, specific version, install the 3.16.0-4 package instead....