Vinay Arora vinayaroratech

Advanced Distributed System Design Course - Udi Dahan

Notes by Craig Phillips

Fallacies of Distributed Computing

There are 11 fallacies of Distributed Computing:
1. The network is reliable
2. Latency isn’t a problem
3. Bandwidth isn’t a problem
4. The network is secure

The topology won’t change

This page URL:

http://bit.ly/aws-workshop-id

LightSail Workshop > https://lightsailworkshop.com
Amplify Workshop > https://amplify-workshop.go-aws.com
CDK Workshop > https://cdkworkshop.com
Sagemaker Workshop > https://sagemaker-workshop.com
EC2 Spot Instances Workshop > https://ec2spotworkshops.com
Security Workshop > https://awssecworkshops.com
Protecting Workload Workshop > https://protecting-workloads.awssecworkshops.com/

Docker compose as a systemd unit

Create file /etc/systemd/system/[email protected]. SystemD calling binaries using an absolute path. In my case is prefixed by /usr/local/bin, you should use paths specific for your environment.

[Unit]
Description=%i service with docker compose
Requires=docker.service
After=docker.service

	#!/usr/bin/env bash

	echo "
	----------------------
	UFW (FIREWALL)
	----------------------
	"

	# allow ssh connections through firewall
	sudo ufw allow OpenSSH

	#!/usr/bin/env bash

	echo "
	----------------------
	NGINX
	----------------------
	"

	# install nginx
	sudo apt-get install -y nginx

	#!/usr/bin/env bash

	echo "
	----------------------
	PM2
	----------------------
	"

	# install pm2 with npm
	sudo npm install -g pm2

	#!/usr/bin/env bash

	echo "
	----------------------
	MONGODB
	----------------------
	"

	# import mongodb 4.0 public gpg key
	sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 9DA31620334BD75D9DCB49F368818C72E52529D4

	#!/usr/bin/env bash

	echo "
	----------------------
	NODE & NPM
	----------------------
	"

	# add nodejs 10 ppa (personal package archive) from nodesource
	curl -sL https://deb.nodesource.com/setup_10.x \| sudo -E bash -