renatoargh

version: 2

jobs:
  validate_terraform:
    docker:
      - image: hashicorp/terraform
    steps:
      - checkout
      - run:
          name: Validate Terraform Formatting

renatoargh

Edit /var/lib/postgres/data/postgresql.conf:

# change IP on subscriber
listen_addresses = '*'
wal_level = logical
shared_preload_libraries = 'pglogical'
max_worker_processes = 16
max_wal_senders = 16
max_replication_slots = 16
track_commit_timestamp = on

renatoargh

This will create a proxy server in whatever your availability zone your VPC is in. For me, that's us-east-1b. For you, that may be something different. Steps 10+ should more or less work regardless of your provider since those steps cover the setup and configuration of TinyProxy.

1. Click the Launch Instance button.
2. Choose Ubuntu Server 14.04 LTS (HVM), SSD Volume Type. This isn't strictly necessary. If you choose another OS, check its documentation for how to install new packages.
3. On the Choose an Instance Type screen, select t2.micro. It's Free Tier eligible.
4. Click the Next: ... buttons until you reach the Configure Security Group screen.
   • You may wish to reduce the amount of storage on the Add Storage screen. This is optional.
   • You may wish to add a tag on the Tag Instance screen. This is also optional.
5. On the Configure Security Group screen:

• Select Create a new security group.

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# Get IAM Role name from Instance Profile Id
curl http://169.254.169.254/latest/meta-data/iam/info

# Get credentials
curl http://169.254.169.254/latest/meta-data/iam/security-credentials/<role-name>

# More info
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html

renatoargh

Set up a VPN Server (PPTP) on AWS

1. Create a EC2 instance using Ubuntu 14.04.
2. In Secure Group Inbound Rules, add a SSH Rule(TCP, Port 22, 0.0.0.0/0) and a Custom TCP Rule(TCP, Port 1723, 0.0.0.0/0).
3. Optional: Associate a Elastic IP with the instance.
4. SSH into the instance.
5. sudo apt-get install pptpd.
6. sudo vim /etc/pptpd.conf. Uncomment localip 192.168.0.1 and remoteip 192.168.0.234-238,192.168.0.245.
7. sudo vim /etc/ppp/pptpd-options. Uncomment ms-dns and ms-wins. Change the IP to Google's DNS like this:

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

renatoargh

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

var Article = require('../../../models/article');

Those suck for maintenance and they're ugly.

Possible solutions

renatoargh

function GetEmailParts( strEmail ){
	// Set up a default structure with null values 
	// incase our email matching fails.
	var objParts = {
		user: null,
		domain: null,
		ext: null
		};
	
	// Get the parts of the email address by leveraging

renatoargh

express = require("express")
request = require("request")
BufferList = require("bufferlist").BufferList
app = express.createServer(express.logger(), express.bodyParser())
app.get "/", (req, res) ->
  if req.param("url")
    url = unescape(req.param("url"))
    request
      uri: url
      encoding: 'binary'