How to manage VMs with OpenStack command line tools

OpenStack is an industry-standard open-source cloud management platform. Using OpenStack, one can build public, private or hybrid clouds easily. Due to the purely open nature of the platform, major IT vendors including Red Hat, Rackspace, IBM and HP are betting on its future, actively contributing to OpenStack development. In OpenStack, there are two different interfaces […]
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How to change IP address after OpenStack installation via devstack

After you have installed Openstack via devstack, what if you need to change the IP address of OpenStack’s controller/compute nodes for whatever reason? OpenStack deployment via devstack is stateless or ephemeral by design. As such, all OpenStack configuration files and databases are re-generated from scratch every time you run stack.sh. Therefore, when the IP address […]
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How to enable logging in OpenStack via devstack

Devstack is a shell script used to automate the building process of the entire OpenStack development environments. In OpenStack deployment created by devstack, debug output of individual OpenStack services goes to their corresponding interactive screen sessions. For debugging purposes, however, you may want to enable logging in OpenStack services. If you are using devstack to […]
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How to install OpenStack on multiple nodes

OpenStack is an open-source cloud management software that one can use to enable Infrastructure as a Service (IaaS) offerings. With major IT powerhouses such as HP, AT&T, IBM backing OpenStack, and a large pool of OpenStack developers contributing code to the project daily, OpenStack is fast becoming a de facto cloud standard. If you want […]
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