OpenStack (http://openstack.org) is a collection of open source projects that enables an open, scalable cloud infrastructure. The core of OpenStack is meant to provide consistent APIs and interfaces to a variety of potential back-ends.

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What is the correct network configuration for a devStack VM (virtualbox)?

Usually when I setup a new Ubuntu VM, i keep the eth0 in NAT mode to get the internet & I add a eth1 interface in HostOnly mode so that I can ssh. But using this devStack guide : Running a Cloud ...
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Why does host swap out VMs when there are 16GB of buffer cache and swappiness = 0? [duplicate]

I have a desktop running Ubuntu Quantal using OpenStack Folsom on an Intel i5 with 32 GB RAM and 2 GB swap. I'm running 7 VMs each sized like a EC2 m1.small, so 1.7 GB RAM each. I'm using KVM. As I ...
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Ghost “vlan 0” tags added to ethernet frames in CentOS guest under OpenStack

I'm trying to debug an issue involving a KVM virtual machine instance where the instance doesn't respond to network requests when the source is on another physical machine, which is on the same subnet ...
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1answer
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Finding exact amount of used RAM in OpenStack's web interface Horizon

In OpenStack's web interface Horizon I can see: Is there any way to have a more precise figure on how much RAM is being used? The best I have found so far is to look at the page source: but it ...
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1answer
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What does the “1” state mean in OpenStack's web interface Horizon CSV Summary?

In OpenStack's web interface Horizon, under Project Overview we can Download CSV Summary: What does state 1 mean?
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Openstack keystone issue

i am having an issue with keystone,keystone is configured with users nova,glance and admin user and their endpoints are also defined. when performing keystone token-get it is showing token,but ...