kylemclaren

#!/usr/bin/env bash
#
# Get the value of a tag for a running EC2 instance.
#
# This can be useful within bootstrapping scripts ("user-data").
#
# Note the EC3 instance needs to have an IAM role that lets it read tags. The policy
# JSON for this looks like:
#
#    {

kylemclaren

A HAR archive of the network timings from a compatible browser is extremely useful in pinpointing which issues with Kibana talking to Elasticsearch.

Note on information gathered in a HAR archive

Please note that HAR archives contain sensitive information:

• content of the pages you downloaded while recording
• your cookies, which will allow anyone with the HAR file to impersonate your account
• all the information that you submitted to your browser while recording (i.e., search values, authentication details).

kylemclaren

for region in `aws ec2 describe-regions | jq -r .Regions[].RegionName`
do
  echo "Terminating region $region..."
  aws ec2 describe-instances --region $region | \
    jq -r .Reservations[].Instances[].InstanceId | \
      xargs -L 1 -I {} aws ec2 modify-instance-attribute \
        --region $region \
        --no-disable-api-termination \
        --instance-id {}
  aws ec2 describe-instances --region $region | \

kylemclaren

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

kylemclaren

JSON.pretty_generate(JSON.parse(obj.to_json))

kylemclaren

/**
 * Typewriter.js 0.0.1
 * @author Kyle Foster (@hkfoster)
 * @license MIT (http://www.opensource.org/licenses/mit-license.php/)
 */

var typewriter = ( function() {

  var headline = document.querySelector( '.typewriter' );

kylemclaren

var collectionNames = db.getCollectionNames(), stats = [];
collectionNames.forEach(function (n) { stats.push(db[n].stats()); });
stats = stats.sort(function(a, b) { return b['size'] - a['size']; });
for (var c in stats) { print(stats[c]['ns'] + ": " + stats[c]['size'] + " (" + stats[c]['storageSize'] + ")"); }

kylemclaren

// I wanted to know the top five largest collections in my MongoDB database in
// terms of document count. This MongoDB-specific JavaScript gets the job done.
//
// Edit variables in the config section, then execute like so:
//
//    mongo --quiet topCollections.js


// config
var dbname = 'FIXME';

kylemclaren

environment = process.env.NODE_ENV || "development";

var settings = {
  development: {
    public: {},
    private: {}
  },
  staging: {
    public: {},
    private: {}

kylemclaren

Meet Meteor

The framework for turning ideas into webapps

A full stack web framework

• Manages client and server side.
• Things like Rails manage server side issues.
• Things like Ember & Angular provide front-end structure.
• Meteor helps out with both.