elsonrodriguez

This is a quick and dirty guide on how to deploy Selenium on Kubernetes.

It is required that you have Kubernetes cluster up and running. If you don't have one, GKE is pretty nifty: https://cloud.google.com/container-engine/

Deploy the Seleniumb Hub:

kubectl create -f selenium-hub-rc.yaml
kubectl create -f selenium-hub-svc.yaml

elsonrodriguez

time kubectl run --command --rm  -i --tty java --image=java --restart=Never --overrides='{ "apiVersion": "extensions/v1beta1", "spec":{"template":{"spec": {"containers":[{"name":"java","image":"java", "imagePullPolicy":"Always"}]}}}}' -- uptime

elsonrodriguez

<!-- /templates/collection.liquid -->
{% paginate collection.products by 12 %}

<div data-section-id="{{ section.id }}" data-section-type="collection-template" data-sort-enabled="{{ section.settings.collection_sort_enable }}" data-tags-enabled="{{ section.settings.collection_tag_enable }}">
  <header class="grid">
    <h1 class="grid__item small--text-center {% if section.settings.collection_sort_enable or section.settings.collection_tag_enable %}medium-up--one-third{% endif %}">{% if current_tags.size > 0 %}{{ current_tags.first }}{% else %}{{ collection.title }}{% endif %}</h1>

    {% if section.settings.collection_sort_enable or section.settings.collection_tag_enable %}
      <div class="collection-sorting grid__item medium-up--two-thirds medium-up--text-right small--text-center">
        {% if section.settings.collection_tag_enable and collection.all_tags.size > 0 %}

elsonrodriguez

{% unless grid_item_width %}
  {% assign grid_item_width = 'medium-up--one-third small--one-half' %}
{% endunless %}

{% unless current_collection == blank %}
  {% assign current_collection = collection %}
{% endunless %}

{% assign on_sale = false %}
{% assign sale_text = 'products.product.sale' | t %}

elsonrodriguez

foo

This chart installs foo, the app with the most bar. This is just a standard foo setup.

Configuration

Secrets

The following secrets are configurable:

elsonrodriguez

Receive GOES-16 and GOES-17 Images with a Raspberry Pi and RTL-SDR dongle

Also see the original Pieter Noordhuis's guide

Hardware

You need:

1. Raspberry Pi Model B (or B+) with a MicroSD Card $35-40
2. An RTL-SDR dongle:

elsonrodriguez

for song in ./*.brstm; do /Applications/VLC.app/Contents/MacOS/VLC "${song}" --sout="#transcode{acodec=mp3,ab=320,samplerate=44100}:standard{access=file,mux=mp3,dst=${song%.brstm}.mp3}" vlc://quit ; done

elsonrodriguez

Quick and Dirty Ceph Cluster

This is a bare-bones guide on how to setup a Ceph cluster using ceph-ansible

This guide assumes:

• Ansible is installed on your local machine
• Eight Centos 7.2 nodes are provisioned and formatted with XFS
• You have ssh and sudo access to your nodes

Ansible Setup

elsonrodriguez

for node in $(kubectl get pod -l app=foo -o jsonpath='{range .items[*]}{.spec.nodeName}{"\n"}{end}' | sort -n | uniq); do zone=$(kubectl get node $node -o jsonpath="{.items[0]}{.metadata.labels.topology\.kubernetes\.io/zone}"); gcloud compute instances simulate-maintenance-event $node --zone=$zone --async ; done

elsonrodriguez

 kubectl get secret bleh -o go-template='{{range $k,$v := .data}}{{printf "%s: " $k}}{{if not $v}}{{$v}}{{else}}{{$v | base64decode}}{{end}}{{"\n"}}{{end}}'