Getting started with Amazon Web Services

Getting started with Amazon Web Services

 13.08.2018, last updated 05.03.2021 -  Jeremy T. Bouse

When starting to operate in Amazon Web Services (AWS)  you have to decide whether to utilize the Default Virtual Private Cloud (VPC)  or define your own VPC. The Default VPC typically sets itself up using the 172.31.0.0/16 CIDR block and a single tier of available subnets in all Availability Zones (AZ) with the region. This is fine for general use but to setup a proper tiered security model you’ll want to define your own VPC.

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Backup, wait a minute...

Backup, wait a minute…

 13.08.2018, last updated 05.03.2021 -  Jeremy T. Bouse

So in my earlier Getting started with Amazon Web Services post, I had laid out my 2-tier VPC solution that setup a Public and Private tier of subnets across three Availability Zones. I’d also mentioned that the subnets could make use of the Fn::Cidr  function to simplify the CIDR block assignments within your CloudFormation template and that I’d discuss that in another post. Well, welcome to that post and a whole lot more!

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Rolling out a new mail server - part 2

Rolling out a new mail server - part 2

 21.09.2012, last updated 05.03.2021 -  Jeremy T. Bouse

If you’re not going to try running this under AWS then you can pretty much skip on ahead to the rest of the configuration. So the obvious place to start is in setting up the EC2 instance. If you just want to test this out a t1.micro instance is plenty big enough and the on-demand pricing to run it for a few days won’t cost a lot. In fact if you just signed up for Amazon Web Services you could run a t1.

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