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Virtualization Feed

Xen Hypervisor, KVM Hypervisor and Oracle virtualization resources, news, and support articles.

Ongoing problems with “Two Real Controller&Compute Nodes Neutron GRE + OVS” setup on F20 via native Havana Repos

UPDATE on 02/23/2014  

Ballooning, rebooting, and the feature you’ve never heard of

Today I’d like to talk about a functionality of Xen you may not have heard of, but might have actually used without even knowing it. If you use memory ballooning to resize your guests, you’ve likely used “populate-on-demand” at some point. 

Xen Project @ FOSDEM’14: an Even Report

As usual, the first weekend of February (1st & 2nd Feb this year) is FOSDEM weekend. Taking place at “ULB Solbosch Campus, Brussels, Belgium, Europe, Earth”, FOSDEM is the Open Source event of the year. At least for Europe: the website claims that FOSDEM hosts 5,000+ geeks and hackers and 512 lectures!

Surfing Internet & SSH connectoin on (to) cloud instance of Fedora 20 via Neutron GRE

When you meet the first time with GRE tunnelling you have to understand that GRE encapsulation requires 24 bytes and a lot of problems raise up , view

Setup Light Weight X Windows environment on Fedora 20 Cloud instance and running F20 cloud instance in Spice session via virt-manager or spicy

Following bellow builds Light Weight X Windows environment on Fedora 20 Cloud instance and demonstrate running same instance in Spice session via virt-manager ( Controller connects to Compute node via virt-manager ).  Spice console and QXL specified in virt-manager , then instance rebooted via Nova.

Windows 7 hammering dnsmasq

I migrated to dnsmasq just yesterday, and discovered that a Windows 7 machine was hammering the server with messages like this:
Feb  1 11:06:07 dns dnsmasq-dhcp[1078]: DHCPINFORM(eth0) 91:de:87:7b:e5:a8
Feb  1 11:06:07 dns dnsmasq-dhcp[1078]: DHCPACK(eth0) 91:de:87:7b:e5:a8 winpc

Linux 3.14 and PVH

The Linux v3.14 will sport a new mode in which the Linux kernel can run thanks to Mukesh Rathor (Oracle).

Called ‘ParaVirtualized Hardware,’ it allows the guest to utilize many hardware features – while at the same time having no emulated devices. It is the next step in PV evolution, and it is pretty fantastic.

“Setting up Two Physical-Node OpenStack RDO Havana + Gluster Backend for Cinder + Neutron GRE” on Fedora 20 boxes with both Controller and Compute nodes each one having one Ethernet adapter

UPDATE on 02/23/2014  

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