chrischambers

IP Addresses:

• A bit is a BInary digiT. It uses base 2.
• A byte is 8 bits.
• An IPv4 address is 4 bytes (32 bits) long. It is usually expressed in decimal notation, i.e. 0-255.0-255.0-255.0-255.
• IP addresses comprise 2 parts:

tovbinm

# Nginx - logrotate & upload to S3
0 0 * * * /usr/sbin/logrotate /etc/logrotate.d/nginx 
15 0 * * * s3cmd put /var/log/nginx/access.log-`date +"\%Y\%m\%d"`.gz s3://$LOGS_BUCKET_NAME/nginx-access/`date +"dt=\%Y\%m\%d"`/`hostname -s`.access.log-`date +"\%Y\%m\%d"`.gz

btoone

Introduction

An introduction to curl using GitHub's API.

The Basics

Makes a basic GET request to the specifed URI

curl https://api.github.com/users/caspyin

akoumjian

Salt Masterless Quickstart

Running a masterless salt-minion lets you use salt's configuration management for a single machine. It is also useful for testing out state trees before

douglasduteil

---
language: node_js
node_js:
- '0.10'
branches:
  only:
    - master
before_script: .travis/before_script.sh
script: echo -e " >>> Do something... \"grunt\" for example\n"
after_success:  .travis/after_success.sh

gbl08ma

#!/bin/sh
if [ -t 0 ]; then
    if [ -z "$1" ]; then
      echo "usage: tny long_url [custom_keyword]"
      echo ""
      echo "Shorten URLs with tny.im URL shortener"
      echo "This script expects a long URL to shorten either as an argument or passed through STDIN."
      echo "When using arguments, an optional second argument can be provided to customize the later part of the short URL (keyword)."
      exit 1
    fi

ryanhanwu

Auto deployment script for CI with Git/Node.JS/Forever

Usage

1.Simply add the deploy.sh to your application folder

2.Start your service

deploy.sh start myApp.js

thoroc

source: http://alvinalexander.com/unix/edu/examples/find.shtml

basic 'find file' commands

find / -name foo.txt -type f -print             # full command
find / -name foo.txt -type f                    # -print isn't necessary
find / -name foo.txt                            # don't have to specify "type==file"
find . -name foo.txt                            # search under the current dir

magnetikonline

AWS S3 bucket and IAM policy recipes

• Recipes
  • Anonymous GET access
  • Anonymous GET access - match HTTP referrer
  • Full access for specific IAM user/role
  • GET/PUT/DELETE access to specific path within a bucket
  • Restricted LIST & PUT/DELETE access to specific path within a bucket
  • Full access (and S3 console) for specific IAM users
  • Bucket and object delete deny

tristanfisher

Working with ansible-vault

---

I've been using a lot of Ansible lately and while almost everything has been great, finding a clean way to implement ansible-vault wasn't immediately apparent.

What I decided on was the following: put your secret information into a vars file, reference that vars file from your task, and encrypt the whole vars file using ansible-vault encrypt.

Let's use an example: You're writing an Ansible role and want to encrypt the spoiler for the movie Aliens.