Raged Unicorn RagedUnicorn

Kubernetes Ubuntu Installation

Init

Update package index

sudo apt-get update

Install required packages

Kubernetes Ubuntu Operate

Init Kubernetes

Initialize Kubernetes with kubeadm

sudo kubeadm init --apiserver-advertise-address=[private-address-of-the-master] --pod-network-cidr=10.244.0.0/16

Ansible Ubuntu Installation

Update and preinstall required packages

sudo apt-get update
sudo apt-get install software-properties-common

Add Ansible repository and install Ansible

Cloud-Init Debugging

Cloud-init combined with terraform can be a powerful tool to provision instances on startup. Debugging scripts that are run by cloud-init however are not the easiest to debug.

Logs

Usually on an Ubuntu machine a lot of what is happening can be found in the syslog

cat /var/log/syslog

Docker Test Build-Context

Checking what is inside the context sent to the docker daemon and whether the configured .dockerignore is behaving as expected can be achieved with the following guide.

Create a dockerfile with the name Dockerfile.build-context

FROM busybox
COPY . /build-context
WORKDIR /build-context

AWSCLI macOS Installation

brew install awscli

Configure awscli

awscli configure

AWS Device Farm

Make sure to configure aws cli. Currently device farm is only supported in the us-west-2 region. Make sure to configure the aws cli to use this region.

aws configure

List your device farm projects

aws devicefarm list-projects

Update Docker Stack Deployment

A docker stack deployment can be updated by re-executing the deployment command.

docker stack deploy --compose-file=[docker-compose file] [stack-name]

An example where this could be used is if the image version changed. Simply change the docker-compose configuration to the newest version and then execute the above command.

	##################################4##########
	# MaNGOS realmd configuration file #
	############################################

	[RealmdConf]
	ConfVersion=2010062001

	###################################################################################################################
	# REALMD SETTINGS
	#

	#####################################
	# MaNGOS Configuration file #
	#####################################

	[MangosdConf]
	ConfVersion=2010100901

	###################################################################################################################
	# CONNECTIONS AND DIRECTORIES
	#