ChuckJHardy

DigitalOcean Ubuntu 14.04 x64 + Rails 4 + Nginx + Unicorn + PostgreSQL + Capistrano 3

Create a Droplet

SSH into Root

$ ssh [email protected]

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LeCoupa

#!/bin/bash
#####################################################
# Name: Bash CheatSheet for Mac OSX
# 
# A little overlook of the Bash basics
#
# Usage:
#
# Author: J. Le Coupanec
# Date: 2014/11/04

latortuga

What's new in Rails 4.2?

ActiveJob

Adapter layer on top of queueing systems like Resque and Delayed Job. Full adapter list: :backburner, :delayed_job, :qu, :que, :queue_classic, :resque, :sidekiq, :sneakers, :sucker_punch

ActiveJob::Base.queue_adapter = :inline # default queue adapter

# Declare a job:

Globegitter

cd ~
##If you want to install OpenJDK
#sudo apt-get update
#sudo apt-get install openjdk-8-jre-headless -y

###Or if you want to install Oracle JDK, which seems to have slightly better performance
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

rkjha

upstream myapp_puma {
  server unix:/tmp/myapp_puma.sock fail_timeout=0;
}

# for redirecting to https version of the site
server {
       listen 80;
       rewrite ^(.*) https://$host$1 permanent;
 }
 

kelvinn

# post_loc.txt contains the json you want to post
# -p means to POST it
# -H adds an Auth header (could be Basic or Token)
# -T sets the Content-Type
# -c is concurrent clients
# -n is the number of requests to run in the test

ab -p post_loc.txt -T application/json -H 'Authorization: Token abcd1234' -c 10 -n 2000 http://example.com/api/v1/locations/

dhoelzgen

class API::V1::BaseController < ApplicationController

  skip_before_filter :verify_authenticity_token

  before_filter :cors_preflight_check
  after_filter :cors_set_access_control_headers

  def cors_set_access_control_headers
    headers['Access-Control-Allow-Origin'] = '*'
    headers['Access-Control-Allow-Methods'] = 'POST, GET, PUT, DELETE, OPTIONS'

tokhi

Elastic Search

Elasticsearch is a real time search engine where a change to an index will be propegated to the whole cluster within a second.

An elasticsearch cluster indicated as one or more nodes, collection of nodes containing all the data, default cluster name is elasticserach.

A node is a single server and part of a cluster, node participate in searching and indexing.

Index is collection of documents equavalent to a database within a relational system, index name must be lowercase Type is represetn a class = table

sudara

# this monit config goes in /etc/monit/conf.d

check process puma_master
  with pidfile  /data/myapp/current/tmp/puma.pid
  start program = "/etc/monit/scripts/puma start"
  stop program = "/etc/monit/scripts/puma stop" 
  group myapp

check process puma_worker_0
  with pidfile /data/myapp/current/tmp/puma_worker_0.pid

konklone

FROM ubuntu
MAINTAINER Eric Mill "[email protected]"

# turn on universe packages
RUN echo "deb http://archive.ubuntu.com/ubuntu raring main universe" > /etc/apt/sources.list
RUN apt-get update

# basics
RUN apt-get install -y nginx openssh-server git-core openssh-client curl
RUN apt-get install -y nano