How to change keystone API V2 to V3

The Keystone Identity Service allows clients to obtain tokens that can be used to access OpenStack cloud services. This document is intended for software developers interested in developing applications that utilize the Keystone Identity Service API for authentication. The OpenStack Identity API is implemented using a RESTful web service interface. All requests to authenticate and […]
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RabbitMQ installation on CentOS

AMQP The Advanced Message Queuing Protocol (AMQP) is an open standard application layer protocol for message-oriented middleware. The defining features of AMQP are message orientation, queuing, routing (including point-to-point and publish-and-subscribe), reliability and security. RabbitMQ RabbitMQ is open source message broker software (sometimes called message-oriented middleware) that implements the Advanced Message Queuing Protocol (AMQP). The […]
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Setup Network Bonding and Bridge on CentOS

Network bonding refers to the combination of network interfaces on one host for redundancy and/or increased throughput. This helps in  high availability of your network interface and offers performance improvement. Bonding is same as port trunking or teaming. Bonding allows you to aggregate multiple ports into a single group, effectively combining the bandwidth into a single […]
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