August 6, 2018

Amazon VPC Basics

For the past five weeks we have been getting deep in our Scalable Solutions series.  At Entasis we work with our customers to help them build solutions that are Scalable in design, Resilient by nature, with Performance on demand.  We feel that these three components are the pillars that all truly scalable solutions are built with.  Here is what we have gone over thus far: […]
July 30, 2018

Amazon EC2 Security Groups

In this installment of our Scalable Solutions series we are going to be reviewing one of the core components of EC2, the security group.  We have found that our customers find that the elasticity provided by security groups allows them to build more resilient solutions and expand them as performance dictates it, with consistent security policies. In case you missed our previous articles you may […]
July 23, 2018

AWS Application Load Balancer

This week in our Scalable Solutions series we are going to be covering the Elastic Load Balancer (specifically the Application Load Balancer or v2). At Entasis we help our customers build elastic and resilient solutions with performance on-demand.  If you need help finalizing your design, or implementing your vision please don’t hesitate to reach out to us at  Also if you are just looking […]
July 16, 2018

AWS Systems Manager Parameter Store

At Entasis we help our customers understand and modify their technology stacks so that scaling is a function of cost not a function of technology.  However when we look at scaling one of the largest problems is the consistency of an environment.  When we are running 100 application nodes then the opportunity for one node to go sideways and start handling traffic differently is much […]
July 9, 2018

AWS Certificate Manager

Today we are going to take a look at another one of my favorite services.  AWS Certificate Manager.  In this exploration we are going to be interacting with JSON which Powershell makes more difficult then it ought to.  So please keep in mind that if you are using the AWS CLI on bash or cygwin or similar your mileage will vary (especially where it comes […]
July 2, 2018

Amazon Route 53 Basics

This post will kick off a series on Scalable Solutions.  Entasis uses a strong architectural emphasis in our AWS Solutions Group to deliver solutions that are Elastic by nature, Resilient in design, with Performance on demand.  These are the three pillars of Scalable Solutions.  In this series we will be going through some of the architectural components and decisions which allow us to design and […]
November 2, 2011

Using Curl to Interact with Resource Records in Rackspace Cloud DNS

In this article we will be using curl to interact with Rackspace’s Cloud DNS to manipulate resource records in zones which already exist.  For details on how to use curl against Rackspace’s Cloud DNS API please see part one in this series “Using Curl to Access Rackspace Cloud DNS” in part two I documented the creation of DNS zones “Using Curl to Interact with Zones […]
November 1, 2011

Using Curl to Interact with Zones in Rackspace Cloud DNS

In my previous post “Using Curl to Access Rackspace Cloud DNS” we documented the basics of authenticating with the Rackspace Cloud for use with the Beta DNS service they offer, as well as doing basic queries against this service.  Today we are going to focus on creating our first domain, which no doubt will offer challenges for us, since it will require the uploading of […]
October 31, 2011

Using Curl to Access Rackspace Cloud DNS

Lately I have been looking at some cloud options for my more critical services, in this I have investigated Zerigo, Route 53, and Rackspace Cloud DNS.  Currently I have been focused on Rackspace DNS, since it is still free at this point, and frankly I’d rather not spend money on anything until I understand exactly how it works.  I have no experience with using “api” […]
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