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Questions tagged [openstack]

OpenStack 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.

OpenStack is an open-source platform for building infrastructure-as-a-service (IaaS) clouds. It is implemented including several components, most notable being:

  • a Compute service (codenamed Nova) that has functionality similar to EC2 AWS (and implements an EC2-compatible API, as well as a separate OpenStack API)
  • an Object Storage service (codenamed Swift) that has functionality similar to EC2 S3.
  • An Image service (codenamed Glance) that manages virtual machine images used by the Compute service
  • An Identity service (codenamed Keystone) that manages user names and groups (known as tenants) across the OpenStack projects
  • A Dashboard service (codenamed Horizon) that provides a web interface.
  • A Network service (codenamed Neutron) that provides a set of components for makings SDN networking between VM's inside a project.

Official page

You may also want to use more specialized tags like , , , , , .

675 questions
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Cross platform, blob storage system

I have a couple of different servers around the house, and a lot of storage on each of these machines. I also have a couple of dedicated servers, and some VMs on these boxes... Most of the boxes and VMs run Windows, but i have a Mac and a couple of…
TiernanO
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openstack conatiner runtime change

I'm install openstack wallaby using kolla-ansible deployment method. (ubuntu) I want to chagne container runtime engine(running on controller and compute node) from docker to cri or containerd. is it possible? Thanks.
daniel
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Cephadm + Openstack Keystone Integration

Hello I am trying to Integrate Openstack Keystone as Ceph authentication Mechanism So i can use ceph object storage as openstack swift backend Environment: Kernel : Ubunutu Server LTS 22.04 (minimal) Openstack : Zed (Manual Installation) Ceph :…
Hoodad Tabibi
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Kubernetes on OpenStack

We have a private OpenStack infrastructure. We want to create a Kubernetes infra on top of OpenStack. I want to use whatever block storage device we have in OpenStack as a HA storage cluster which can tolerate failures and is highly available as…
Hussain Nagri
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Connection timeouts from Nova_compute to Keystone, RabbitMQ etc

I've working on (and off) a deployment of Openstack over the past few months (nearly a year), and I've come across a number of issues during the deployment, most of which was either bad switch configuration, or a bad configuration on the heat…
humroben
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How can I authenticate through application credentials to OpenStack using the CLI?

I know how to authenticate through user credentials and token to OpenStack via the openstack CLI. Now I would like to know how to use application credentials to authenticate. Using application_credential or application_credentials as…
aef
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understanding Openstack physical architecture

So, please correct me if I am wrong: I want to build my own cloud computing platform using openstack. I buy a rack server- https://www.serverstack.in/ I install say 1TB of Hard disk. 30 GB of RAM and the processor is already built in. I install…
Vishwa Mithra Tatta
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How to schedule VMs in few specific host?

I have 4 nodes, 1 controller nodes and 3 compute node. I divined into 2 AZ, AZ1 (compute1) and AZ2(compute2, compute3) I can use create instance w/ --avaibilty-zone AZ1 (AZ2) to make the instance build in compute1 or compute2/3 But the openstack…
Lê Minh Quân
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How to redirect specific outgoing packet from one physical interface to another one in Linux?

In the linux bridge br100 of 1 linux host, vnet0 is the interface connecting 1 internal linux VM. br100 is 1 linux bridge, which has 3 IP addresses: 10.11.13.1/24 is the GW of linux VM (the VM has internal address 10.11.13.2/24 in…
Zii
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Openstack Nova Compute cluster

how to glue multiple CPUs together, I mean How openstack achieves it. What do they really mean when they say create CPU cluster using Openstack Nova. Openstack is written in Python, Any example ( Basic one ) would be appreciated.
Abhay
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KVM vs Hyper-V. Which hypervisor is best for windows guests?

I am currently testing openstack for windows guests (XP and 7). I have deployed openstack "all in one" on system with following specs Processor corei5. (4 physical cores and 8 Threads with HT Technology) RAM 8 GB. HD 500 GB. I have created 4 windows…
user198851
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How exactly are Distributed File Systems used in cloud environment?

How exactly are Distributed File Systems used in cloud environment ? More precisely: Are live VMs images (or their filesystem) usually located in the DFS ? Are VMs usually used to run the backbone (actual code) of DFS structure ? Precise example…
vaab
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Advantages of more routers?

I want to know what advantages or disadvantages are of adding more routers in network topology? First example: Topology Second example: Topology Is it more secure? If it is, how and why?
Šarūnas Rakauskas
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NotImplementedError at /

my local.conf file is: [[local|localrc]] HOST_IP=
dev07
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Making a mini-cloud at home, using a few Ubuntu boxes

I'm looking to make a sort of at-home mini-cloud. I have several Ubuntu boxes lying around and thought I'd make them into something useful. I'm being a little vague on purpose since I'm not quite sure what I'm looking for. Somebody mentioned…
tekknolagi
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