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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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Here are some tools and techniques will help us debugging connectivity issues, investigating network througout problems and how to fix.

Using nc

Arbitrary TCP and UDP connections and listens at here

Kubernetes 101 – Networking

This post is to walk you through deploying a couple of Kubernetes constructs and analyze what Kubernetes is doing at the network layer to make it happen. Link

Kubernetes Network Debugging on CoreOS

This document explains some of the best places to start troubleshooting when network issues arise link

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Deployment Architecture

System Configuration

1. All kubernetes nodes: set SELINUX to permissive mode

$ vi /etc/selinux/config
SELINUX=permissive

$ setenforce 0

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Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

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-Go to the starting point of the project
>> git checkout origin master
-fetch all objects
>> git fetch origin
-Make the branch from the tag
>> git branch new_branch tag_name
-Checkout the branch
>> git checkout new_branch
-Push the branch up
>> git push origin new_branch

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Prerequisites
- Docker
- kubectl
- Minikube
- Helm

Noted: This guide is just for Macbook Pro. I would like to it supports the both Linux and Windows later.

1. Set up a registry server
You can follow the guide from the docker for creating a [local registry](https://docs.docker.com/registry/deploying/)