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 check Open vSwitch version

Open vSwitch (OVS) is an open-source virtual switch, featuring programmable switch forwarding capability. The forwarding plane of OVS can be dynamically controlled by an external network controller, such as OpenFlow controller, which enables key innovation called software-defined networking in large-scale virtual environments. OVS is included in the Linux kernel 3.3 or higher. For earlier versions […]
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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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