Technical Blog


Technical and Product News and Insights from Rackspace

AWS WAF pillar two: Security tools and best practises

Harnessing the full power of the AWS® cloud involves far more than building a solid technical infrastructure. Amazon developed the Well-Architected Framework (WAF) to enable companies to build the most operationally excellent, secure, reliable, efficiently high-performing, and cost-optimized infrastructure possible for their businesses. This post addresses the second pillar, security.

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Amazon EMR tutorial: Apache Zeppelin and HBase interpreters

Originally published in Oct 2016, at Onica.com/blog

We use Amazon EMR® heavily for both customer projects and internal use-cases when we need to crunch huge datasets in the cloud.

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AWS WAF pillar one: Operational excellence tools and best practices

Harnessing the full power of the AWS® cloud involves far more than building a solid technical infrastructure. Amazon developed the Well-Architected Framework (WAF) to enable companies to build the most operationally excellent, secure, reliable, efficiently high-performing, and cost-optimized infrastructure possible for their businesses. This post addresses the first pillar, operational excellence.

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How to calculate your EBS volume IOPS on CloudWatch

Originally published in Apr 2017, at Onica.com/blog

Find your Amazon® Elastic Block Store (EBS) Volumes Input and Output Operations Per Second (IOPS) in a specific period by using the CloudWatch dashboard.

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IoT Nerf Rapidstrike with Amazon Recognition and Raspberry Pi3

Originally published in Mar 2018, at Onica.com/blog

Our team of AWS® IoT-certified experts can rapidly prototype your Internet of Things (IoT) concept and have it up and running at lightning speed.

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Cloud automation in Windows with Terraform

Originally published in May 2017, at Onica.com/blog

While CloudFormation® remains the de-facto standard for implementing your AWS® Infrastructure-as-Code, several great solutions out there provide new advantages, features, and domain-specific languages (DSL). These all aim to make the modern Cloud Engineer’s life easier. One such solution is Terraform Cloud Automation.

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How to call and export environment variables in AWS Elastic Beanstalk

Originally published in Apr 2017, at Onica.com/blog

The AWS® Elastic Beanstalk® documentation doesn’t tell you how to export environment variables or set top-level shell commands. We use variables for all kinds of things, so we decided to create a how-to guide for calling and viewing environment variables in ebextension config files.

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How to comply with SFTP servers by using Infrastructure-as-Code

Originally published in Feb 2018, at Onica.com/blog

AWS® Transfer® for SFTP is a managed AWS service. It allows for the transfer of files and other data over a connection by using the Secure Shell (SSH) protocol into and out of Amazon S3® buckets.

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How Rackspace uses CloudEndure to accelerate workload migration to AWS: Part Two

If you haven’t read Part One, of this series, take a look before reading this post. In this concluding installment, I describe the AWS Transit Gateway and AWS Client VPN configuration.

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How to use the Appdeploy Filesystem hook

Originally published in Apr 2017, at Onica.com/blog

It seems as if the Appdeploy Filesystem hooks go largely unnoticed with Amazon Elastic Beanstalk®, so we set to find out more about this system and how to use it more effectively.

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