tecRacer Amazon AWS Blog

The blog about Amazon Web Services by the AWS Premier Tier Services Partner tecRacer. We share our expertise and passion about technology with the world.

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Dissecting Serverless Stacks (IV)

Dissecting Serverless Stacks (IV) After we figured out how to implement a sls command line option to switch between the usual behaviour and a way to conditionally omit IAM in our deployments, we will get deeper into it and build a small hack on how we cou

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R can not be pushed in Production - deprecated!

Running Shiny on Fargate Some guys still thinking R cannot be used at scale or only in a limited way. I still do not understand the reason why people are like this. Since my last post about AWS Batch, which is a Docker-based service within AWS, which enab

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Dissecting Serverless Stacks (III)

Dissecting Serverless Stacks (III) The third post of this series showed how to make IAM statements an external file, so we can deploy that one but still work with the sls command. It still involved commenting out things in the configuration, so this post

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AWS UserGroup Hannover AWS News September und Oktober

AWS News 25.9.19 - 21.11.19 Zu Anfang der Usergroup sprechen wir über die AWS News und ein paar Trainingsnews. Unser Service: Alle News, die von unserem Sponsor tecRacer bzw. den Consultants als wichtiger benannt wurden sind unter “Noteworthy”

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Dissecting Serverless Stacks (II)

Dissecting Serverless Stacks (II) With the output of the last post of this series, we established the base to be able to deliver a Serverless application independent of its needed IAM privileges. So let’s see how this will work out.

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Installationen für Alexa live Coding - Durchblick bei der neuen Alexa Presentation Language

Alexa live coding Installations The AWS Usergroup Hannover meets on 21. of November at tecRacer. Details on the meetup website of the event Das Treffen wird in deutsch stattfinden! Um life mitzumachen, müssen ein paar Tools installiert werden. Ein twitch

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Dissecting Serverless Stacks (I)

Dissecting Serverless Stacks (I) This post establishes the base for a small series on how to create Serverless based Lambdas which can be deployed in environments without IAM privileges or where the sls command cannot be used at all.

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Instant Clones with kitchen-vcenter

Instant Clones with kitchen-vcenter Over the last few posts we optimized our kitchen-vcenter setups and are stuck with the usual, long boot times of Windows systems. Surprisingly, VMware introduced a feature which can help us get rid of those. For good.

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Guest Operations and kitchen-vcenter

Guest Operations and kitchen-vcenter In this part of the blog series, we will look on how to speed up IP discovery of new machines with a little-known feature of the VMware Tools.

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Linked Clones with kitchen-vcenter

Linked Clones with kitchen-vcenter Quickly starting new Test Kitchen machines is one of the main concerns for getting the desired feedback cycles in cookbook development. While machines get created as a full clone by default, the kitchen-vcenter driver of

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Defenders - caller based EC2 security with CDK

Defenders: Caller based EC2 security The risk with security credentials is that they get exposed an are being used elsewhere. What if we could prevent that the are being used elsewhere. The idea from the article of William Bengston from netflix was: Dynam

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Target Mode with Serial Devices

Target Mode with Serial Devices Usually, you will work with SSH or WinRM to connect to remote nodes and configure them. Those standard protocols bring along all the perks of a modern network connection: Encryption, Authentication, File transfers, etc But

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Ruby Layers with Serverless

Ruby Layers with Serverless After showing how easy it is to write AWS Lambda functions in Ruby, we will work on a way to build Layers with external dependencies or shared data in this post.

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The kitchen-vcenter Driver

The kitchen-vcenter Driver While many companies already rely on some Cloud for all of their IT systems, bigger enterprise customers often have own data centers which consist of thousands of virtual machines. Under these circumstances, it is often not desi

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Ruby Lambdas with Serverless

Ruby Lambdas with Serverless Support for Ruby was added on AWS Lambda end of November 2018, with support via the Serverless Framework landing on the same day.

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