Tag: openstack
Learn how to – List of OpenStack Core Services Explained
Learn how to – List of OpenStack Core Services Explained. OpenStack is an Infrastructure as a service (IaaS) cloud solution with a collection of services that interact to control storage, compute, and networking resources. As a Cloud Administrator you can use a command-line or web-based dashboard provision, control, and automate OpenStack resources. OpenStack has an …
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Learn how to – How to Add OpenStack Compute Flavors using CLI
Learn how to – How to Add OpenStack Compute Flavors using CLI. How to add flavors to openstack using cli: This is a continuation of getting started with Openstack compute platform series. Earlier in the series we looked at Adding images to Openstack Glance. What are Openstack flavors? In OpenStack, a flavor defines the compute, …
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Learn how to – Fix Openstack Nova error “NoValidHost: No valid host was found.There are not enough hosts available. “
Learn how to – Fix Openstack Nova error “NoValidHost: No valid host was found.There are not enough hosts available. “. I was trying to Deploy Openstack for testing inside VirtualBox and i got an error “NoValidHost: No valid host was found. There are not enough hosts available.” while trying to run an instance with nova …
Learn how to – Install OpenStack Magnum Container Service on CentOS / Ubuntu
Learn how to – Install OpenStack Magnum Container Service on CentOS / Ubuntu. Magnum is an OpenStack API service created to help OpenStack user manage container orchestration engines such as Kubernetes, Docker Swarm, and Apache Mesos. Magnum uses Heat to orchestrate an OS image which contains Docker and Kubernetes and runs that image in either …
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Learn how to – Installation of Three node OpenStack Queens Cluster – Part Seven
Learn how to – Installation of Three node OpenStack Queens Cluster – Part Seven. Configuring Neutron on network Node “Everyone has been made for some particular work, and the desire for that work has been put in every heart.”–Rumi Step One: Install NTP and add necessary repositories: [root@neutron ~]# yum -y install ntp Loaded plugins: …
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Learn how to – Installation of Three node OpenStack Queens Cluster – Part Two
Learn how to – Installation of Three node OpenStack Queens Cluster – Part Two. Part one of this series is Installation of Openstack three Node Cluster on CentOS 7 Installation of Glance In this second session, we are going to install glance image service. The Image service (glance) project provides a service where users can upload …
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Learn how to – Permission Denied While Starting VM Instance in Openstack
Learn how to – Permission Denied While Starting VM Instance in Openstack. As I was building Openstack Lab, I happen to encounter error message as it was seen on a log file from.tail -f /var/log/nova/nova-compute.log $ tail -f /var/log/nova/nova-compute.log 2016-03-21 22:05:34.283 1228 ERROR oslo_messaging.rpc.dispatcher rv = meth(*args, **kwargs) 2016-03-21 22:05:34.283 1228 ERROR oslo_messaging.rpc.dispatcher File “/usr/lib64/python2.7/site-packages/libvirt.py”, …
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Learn how to – Installation of Three node OpenStack Queens Cluster – Part Six
Learn how to – Installation of Three node OpenStack Queens Cluster – Part Six. Configuring Neutron on Controller Node Neutron is an OpenStack project to provide “network connectivity as a service” between interface devices (e.g., vNICs) managed by other OpenStack services (e.g., nova). It implements the Neutron API.The following are the reasons as to why …
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Learn how to – How To add Glance Cloud images to OpenStack
Learn how to – How To add Glance Cloud images to OpenStack. In this tutorial, we’re going to look at how to add VM images to Openstack Glance image service. I assume you already have a running Openstack setup, and glance service runs on the controller node. What is Openstack image service? Openstack glance enables users …
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Learn how to – Assign a Floating IP Address to an Instance in OpenStack
Learn how to – Assign a Floating IP Address to an Instance in OpenStack. You want to assign an OpenStack Instance a floating IP address from your public network?. When an virtual instance is created in OpenStack, it is automatically assigned a fixed IP in the network to which it is assigned . This IP …
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