mwin007

• have fun with them
• projections
• filters
• resource-keys
• https://cloud.google.com/sdk/docs/scripting-gcloud
• http://cloudplatform.googleblog.com/2018/03/introducing-GCPs-new-interactive-CLI.html

auth

kubectl uses OAuth token generated by

• gcloud config config-helper --format json

mwin007

docker stop $(docker ps -a -q); docker rm $(docker ps -a -q); docker volume rm $(docker volume ls -qf dangling=true)

docker network rm $(docker network ls -q)

sudo lsof -nP | grep LISTEN

sudo kill -9 1548

# Where on the last line, 1548 was a service that was using port 80 as returned by the penultimate line.

mwin007

FROM ruby:2.3.1
RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs

# Configuring main directory
RUN mkdir -p /app_name
WORKDIR /app_name

# Setting env up
ENV RAILS_ENV='production'
ENV RAKE_ENV='production'

mwin007

kubectl Cheat Sheet
See also: Kubectl Overview and JsonPath Guide.

Kubectl Autocomplete
$ source <(kubectl completion bash) # setup autocomplete in bash, bash-completion package should be installed first.
$ source <(kubectl completion zsh)  # setup autocomplete in zsh
Kubectl Context and Configuration
Set which Kubernetes cluster kubectl communicates with and modifies configuration information. See Authenticating Across Clusters with kubeconfig documentation for detailed config file information.

$ kubectl config view # Show Merged kubeconfig settings.

mwin007

Ruby on Rails Cheatsheet (5.1)

Architecture

RVM

$ rvm list - show currently installed Rubies

mwin007

# Right click on the slide image->copy image address, then do curl

curl -O https://image.slidesharecdn.com/...[1–5]-638.jpg

mwin007

# Get current region
aws configure get region

mwin007

php bin/magento  admin:user:create --admin-user="<admin>" --admin-password="<newpassword>" --admin-email="<[email protected]>"  --admin-firstname="<Test>" --admin-lastname="<Test>"

mwin007

`nautilus admin://`

mwin007

PS1='\u:\W\$ '