Andreas Wittig

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since Oct 08, 2015
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Recent posts by Andreas Wittig

Our book contains multiple real-word examples: Hosting Wordpress, Node.js Applications, Data Migration, Backup, ...
5 years ago
Our book Amazon Web Services in Action is written for developers and DevOps engineers moving distributed applications to the AWS platform.

Readers from category 1 and 2 are able to dive into AWS with the help of our book.

Chapters 1, 2, 11, 12, 13, 14 are advisable for Technical Lead/Manager as well.
5 years ago
Our book Amazon Web Services in Action covers EC2 and EBS in detail.

If you want to learn more about Docker, I can recommend Docker in Practice.
5 years ago
Thanks for your question!

Amazon Web Services, is the cloud computing platform offered by AWS. Our book Amazon Web Services in Action covers the most important services: EC2, EBS, S3, DynamoDB, RDS, VPC, Auto Scaling, ...

What do you mean by "Virtualization concepts"? The hypervisor behind EC2?
5 years ago
The AWS IoT service supports MQTT and HTTP REST. Does the ESP8266 device support one of these protocols?
5 years ago
Good question!

I've seen people coming from two directions: developer and it-ops.

Our book Amazon Web Services in Action is written for both groups.

Background knowledge in the following areas helps you when starting with AWS:
  • Networking and Distributed Systems
  • Operating System: Linux

  • 5 years ago

    Thillai Sakthi wrote:Respectfully disagree. As per KMS documentation, they have 2 use cases - one for envelope encryption and this is for real time transaction use case. The other one is the encryption of data at rest.

    Good point, thanks for correcting me. Haven't looked into envelope encryption so far.
    5 years ago
    Thanks for your question, Sundar.

    Our book covers the following AWS services:

    Computing and Networking: EC2, ELB, VPC, AutoScaling
    Storing data: S3, Glacier, DynamoDB, RDS, EBS
    Managing infrastructure: CloudFormation, Elastic Beanstalk, OpsWorks

    On top of that we are focusing on high availability, security and automation.
    5 years ago
    Exactly, our book Amazon Web Services in Action provides a guided introduction to AWS with lots of examples.
    5 years ago
    Thanks for your question, John.

    As already mentioned it is possible to test some AWS services for free. All needed informations about the Free Tier are listed here:
    5 years ago
    Thanks for your question.

    Of course, AWS is changing a lot. Especially because they are adding new services and features constantly.

    We cover brand new topcis with our blog

    And we are planning to release a second edition of our book to make sure it stays up-to-date.
    5 years ago
    As far as I understand your use case, KMS is not the solution to your problem. KMS is focusing on data at rest. So I guess you need to search for an alternative here.
    5 years ago
    Some AWS services offer fault tolerance or high availability by default (e.g. DynamoDB, S3, Route 53, ...).

    Other services are running in a single Availability Zone and are therefore not fault tolerant or highly availability by default (e.g. EC2 Instance, EBS Volume). But AWS is offering tools and infrastructure to build fault tolerant or high available systems on top of these services. For example, a web application running on multiple EC2 instance in multiple Availability Zones outsourcing data to DynamoDB (stateless server) and decoupling with a Load Balancer will be highly available.

    Chapter 11, 12, and 13 of our book Amazon Web Services in Action is covering this topic in detail.
    5 years ago
    Exactly, Steve.

    I have been using Lambda in different use cases:
  • Event-driven applications (e.g. Upload New Item to S3 Bucket -> Lambda)
  • Analyze realtime-data (e.g. Incoming Data from Kinesis -> Lambda)
  • REST API / Backend (API Gateway + Lambda)
  • Scheduled Jobs to Manage AWS account
  • 5 years ago
    We have written a book, exactly for you: Amazon Web Services in Action.

    AWS in Action will give you a deep introduction into the most important services and architecture principals.
    5 years ago