云，无处不在 雾，是下一代

I recently gave you an intro to my talk at the Hong Kong OpenStack Summit about Neutron namespaces. One of the commenters had seen the video of my talk and requested that we post the slideshow. In t

在编译时遇到unkown sub command "collectstatic"时,需要

# usermod -s /bin/bash nova  # su - nova  $ chcon -u system_u -r object_r -t user_home_t .  $ mkdir -p -m 700 --context=system_u:object_r:ssh_home_t:s0 .ssh && cd .ssh

RDO Havana Neutron&GRE L3 Layer TroubleshootingThis post follows up http://lxer.com/module/newswire/view/200975/index.html For Basic Neutron Networking concepts,please, view developer.rack

import ConfigParserfrom sqlalchemy import MetaDatafrom sqlalchemy_schemadisplay import create_schema_graphconfig = ConfigParser.RawConfigParser()config.read('/etc/nova/nova.conf')connection

Method 1 (Tested with OpenStack Havana)=========================== 1)Create a folder for css/less. like,horizon/openstack_dashboard/static/custom_dashboard/less2)Goto that folder and c

Launching Instance via image and creating simultaneously bootable cinder volume (glusterfs) on Two Node GRE+OVS+Gluster F20 ClusterActually, post is about attempt to make working following

Attempt to reproduce "Direct access to Nova metadata per Lars Kellogg-Stedman"Quoting  http://blog.oddbit.com/2014/01/14/direct-access-to-nova-metadata/In an environment running Neutro

USB Redirection hack on "Two Node Controller&Compute Neutron GRE+OVS" Fedora 20 Cluster   I clearly understand that only incomplete  Havana RDO setup allows me to activate spice USB redi

RDO Havana Neutron Namespaces Troubleshooting for OVS&VLAN (GRE) ConfigThe  OpenStack Networking components are deployed on the Controller, Compute, and Network nodes in the following conf

Setting up Neutron-dhcp-agent & Dnsmasq on Two Node Neutron GRE+OVS F20 Cluster to launch VMs with MTU 1454 automatically  When you first time boot cloud instance (RDO Havana) via `nova bo

HowTo access metadata from RDO Havana Instance on Fedora 20 & OpenStack Networking conceptsOpenStack Networking conceptsThe  OpenStack Networking components are deployed on the Control

By introducing a connection tracking feature in Open vSwitch, thanks to the latest Linux kernel, we greatly simplified the maze of virtual network interfaces on OpenStack compute nodes and improved it