Vinh v9n

Managing OpenStack instances with Ansible through an SSH bastion host

I'm be using DreamCompute as my OpenStack provider, but there are dozens to choose from. I assume you already have Ansible and the OpenStack CLI tools installed.

Motivation

With the proliferation of OpenStack public clouds offering free and intro tiers, it's becoming very easy to effectively run a simple application for free or nearly free. Also with the emergence of Ansible, you don't need to learn and deploy complicated tools to do configuration management.

AWS Elastic Beanstalk deploy user restricted IAM policy

An IAM user policy document to give minimal rights for deploying an Elastic Beanstalk application.

Where:

REGION: AWS region.
ACCOUNT_ID: AWS account ID.
APPLICATION_NAME: Desired target Elastic Beanstalk application name(space).
IAM_INSTANCE_PROFILE_ROLE: The instance profile (IAM role) Elastic Beanstalk EC2 instaces will run under.

Contract Killer

The popular open-source contract for web professionals by Stuff & Nonsense

Originally published: 23rd December 2008
Revised date: March 15th 2016
Original post

There are three easy to make mistakes in go. I present them here in the way they are often found in the wild, not in the way that is easiest to understand.

All three of these mistakes have been made in Kubernetes code, getting past code review at least once each that I know of.

Loop variables are scoped outside the loop.

What do these lines do? Make predictions and then scroll down.

func print(pi *int) { fmt.Println(*pi) }

#MongoDB 3.2.x SSL with Letsencrypt Letsencrypt is an initative which aims to increase the use of encryption for websites. It basically allows people to apply for free certificates provided that they prove the they control the requested domain. We will look at the what is needed to secure your MongoDB installation. For more details on setting up a MongoDB server see MongoDB 3.2.x.

##Set the hostname We sould to set the hostname to match the name of the certificate we are going to optain.

sudo hostname mongo0.example.com

Then update the hostname file to set the server name permanently.

	#!/bin/bash
	# TODO: skip tiny files (so small they couldn't be photos)
	# TODO: make sure sym links and other file system oddities are handled

	#
	# Constants
	#
	CHAR_COUNT=12
	BLOCK_COUNT=3
	COMPUTE_FULL_HASH=false # Set `true` to trade processing speed for fewer false positives

	//
	// UIView+CustomTimingFunction.h
	// Instants
	//
	// Created by Christian Giordano on 16/10/2013.
	// Copyright (c) 2013 Christian Giordano. All rights reserved.
	//

	#import <UIKit/UIKit.h>

	/*<?php
	///public class PhpJava { public static void main(String[] args) { System.out.printf("/%s",
	//\u000A\u002F\u002A
	class PhpJava {
	function main() {
	echo(//\u000A\u002A\u002F
	"Hello World!");
	}}
	//\u000A\u002F\u002A
	PhpJava::main();

	# Delete the possibly existing autocomplete test index
	curl -X DELETE localhost:9200/autocomplete_test

	# Put the config of the autocomplete index
	curl -X PUT localhost:9200/autocomplete_test -d '
	{
	"settings" : {
	"index" : {
	"analysis" : {
	"analyzer" : {

	*
	!/.gitignore
	!/*.xml
	!/nextBuildNumber

	!/jobs
	!/jobs/*
	!/jobs//.xml
	/jobs/*/disk-usage.xml
	/jobs/*/builds