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AWSCLI macOS Installation

brew install awscli

Configure awscli

awscli configure

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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

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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

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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

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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

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Kubernetes Ubuntu Installation

Init

Update package index

sudo apt-get update

Install required packages