Clean up the where-to-start section

README.md

@@ -88,18 +88,13 @@ _Source:_ [What is Docker](https://www.docker.com/why-docker)
 
 # Where to start
 
-- [Basics – Docker, Containers, Hypervisors, CoreOS](https://etherealmind.com/basics-docker-containers-hypervisors-coreos/)
-- [Dive Into Docker: From "What is Docker?" to "Hello World"](https://www.youtube.com/watch?v=XeSD17YRijk&list=PL-v3vdeWVEsXT-u0JDQZnM90feU3NE3v8) (60:25) by [@nickjanetakis](https://github.com/nickjj)
-- [Docker Curriculum](https://docker-curriculum.com): A comprehensive tutorial for getting started with Docker. Teaches how to use Docker and deploy dockerized apps on AWS with Elastic Beanstalk and Elastic Container Service.
-- [Docker Documentation](https://docs.docker.com/)
-- [Docker for all - Developers, Testers, DevOps, Product Owners + Videos](https://github.com/machzqcq/docker-for-all) Docker Training Videos for all
-- [Docker Jumpstart](https://github.com/odewahn/docker-jumpstart/): a quick introduction
-- [Docker Toolbox](https://docs.docker.com/toolbox/overview/) :skull: - Quick setup and launch of a Docker environment on older Mac (10.10 and below) and Windows (8.1 and below) systems. On newer systems it's recommended to use the [Docker for Mac](https://docs.docker.com/docker-for-mac/) or [Docker for Windows][docker-for-windows].
+- [Docker Curriculum](https://github.com/prakhar1989/docker-curriculum): A comprehensive tutorial for getting started with Docker. Teaches how to use Docker and deploy dockerized apps on AWS with Elastic Beanstalk and Elastic Container Service.
+- [Docker Documentation](https://docs.docker.com/): the official documentation
 - [Docker Training](https://success.docker.com/training) :heavy_dollar_sign:
-- [Katacoda](https://www.katacoda.com/): Learn Docker using Interactive Browser-Based Labs
-- [Learn Docker](https://github.com/dwyl/learn-docker) Full environment set up, screenshots, step-by-step tutorial and more resources (video, articles, cheat sheets) by [@dwyl](https://github.com/dwyl)
-- [Play With Docker](https://training.play-with-docker.com/) - PWD is a great way to get started with Docker from beginner to advanced users. Docker runs directly in your browser.
-- [Play With Moby](http://play-with-moby.com/) - PWM is a web based Moby playground which allows you to try different components of the platform in seconds. It gives you the experience of having a free Alpine Linux Virtual Machine in the cloud where you can build and run Moby projects and even create clusters to experiment.
+- [Katacoda](https://www.katacoda.com/courses/docker): Learn Docker using Interactive Browser-Based Labs
+- [Learn Docker](https://github.com/dwyl/learn-docker): step-by-step tutorial and more resources (video, articles, cheat sheets) by [@dwyl](https://github.com/dwyl)
+- [Play With Docker](https://training.play-with-docker.com/): PWD is a great way to get started with Docker from beginner to advanced users. Docker runs directly in your browser.
+- [Play With Moby](http://play-with-moby.com/): PWM is a web based Moby playground which allows you to try different components of the platform in seconds. It gives you the experience of having a free Alpine Linux Virtual Machine in the cloud where you can build and run Moby projects and even create clusters to experiment.
 - [Practical Introduction to Container Terminology](https://developers.redhat.com/blog/2018/02/22/container-terminology-practical-introduction/) The landscape for container technologies is larger than just docker. Without a good handle on the terminology, It can be difficult to grasp the key differences between docker and (pick your favorites, CRI-O, rkt, lxc/lxd) or understand what the Open Container Initiative is doing to standardize container technology.
 
 **Cheatsheets** by