Achintha Gunasekara Technical Blog

Sunday, July 10, 2016

A Deep Dive into DynamoDB Partitions

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Have a read of my article on DynamoDB performance on Shine Consulting Blog. Shine Consulting Blog - A Deep Dive into DynamoDB Pa...

The Emergence of The 3 Towers: DevSecOps

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Have a read of my article on DevSecOps on Shine Consulting Blog. Shine Consulting Blog - The Emergence of The 3 Towers: DevSecOps
Tuesday, February 16, 2016

Setting up Mail Forward on AWS with Postfix

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I have recently moved all my personal domains across to AWS Route 53. One feature I really missed after the migration was the ability to...
Sunday, November 15, 2015

Customising Command Line Prompt

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Customising command line prompt is helpful as we can display useful information. Such as Git branch when browsing though a repository. I h...
Wednesday, August 26, 2015

How to Setup a VPN Gateway Server on Amazon VPC Using Ubuntu

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In my last post, I’ve talked about setting up a site-to-site VPN using Sophos UTM 9 and strongSwan IPsec running on Amazon EC2 instance. S...
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Monday, August 24, 2015

How to Connect a AWS VPC and Local Network via VPN Using Sophos UTM 9 and strongSwan

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So few weeks ago, I finally finished setting up my home lab. I used Sophos UTM 9 as my gateway. There were few reasons for using Sophos UTM ...
Thursday, August 13, 2015

Activating a Windows Server 2012 R2 Evaluation Installation With a Valid License

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I was trying to activate a Windows Server 2012 R2 server that I installed as an evaluation. However when I entered the license key I was ge...
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