AWS

Cassandra Multi-AZ Data Replication

Posted on August 19, 2015 by CloudThat | Comments(7)

Apache Cassandra is an open source non-relational/NOSQL database. It is massively scalable and is designed to handle large amounts of data across multiple servers (Here, we shall use Amazon EC2 instances), providing high availability. In this blog, we shall replicate data across nodes running in multiple Availability Zones (AZs) to ensure reliability and fault tolerance

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IAM Authorization Hierarchy

Posted on May 5, 2015 by CloudThat | Comments(2)

Identity and Access Management (IAM) is the service that provides a authentication and authorization control for users and resources in ones AWS account. Although authentication has been quite simple and straightforward, viz. one can create groups, users and credentials for the users and share the same, authorization is quite a trick on IAM.

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Ansible for DevOps

Posted on April 29, 2015 by CloudThat | Comments(2)

Now is the Era of Cloud where you can dynamically provision IT infrastructure more quickly than you ever thought before. Various cloud providers such as Amazon Web Services, Azure, Google Compute Engine and many others have made this possible in recent years.

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Infrastructure Automation and Chef(Part-1)

Posted on April 29, 2015 by CloudThat | Comments(1)

Infrastructure automation has become an indispensable part of IT industry today. But what exactly is infrastructure automation and why does it matter?

Back in the good old days expanding an existing infrastructure was a time consuming task, it would take weeks or in some cases months to procure the required hardware and additional weeks to configure it as per the need.

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