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 sales@entasistech.com.  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 […]
September 15, 2015

Fedora 20: Use PPTP VPN

I have had this one in the queue for a while (I don’t even run of Fedora 20 anymore).  This one will be short and sweet, because there really isn’t a bunch of discussion that needs to go into it. By default Fedora 20 will block outbound PPTP VPN connections. Reload the rules.
September 14, 2015

Zimbra 8.6: Bayesian Poisoning

Let me start by saying that this problem is not unique to Zimbra and it certainly isn’t unique the version 8.6, however I was using Zimbra 8.6 when I ran into this problem, so this is how I fixed it. What is Bayesian Poisoning? One of the core tenants of spam filtering using Bayesian probability to increase or decrease a particular messages score based on the […]
October 21, 2014

BlackBerry OS 10: Caldav Setup with Zimbra

I have owned my Blackberry Z10, going on a year now, and I have absolutely loved it.  However one of the issues that I have fought was in integrating it with my Zimbra Installation.  Email was easy, the IMAP protocol sorted that out easily enough…  However calendars turned out to be more of a challenge than I expected. Here is the versions that I validated […]
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