Drew Stokes dstokes

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

The prep-script.sh will setup the latest Node and install the latest perf version on your Linux box.

When you want to generate the flame graph, run the following (folder locations taken from install script):

sudo sysctl kernel.kptr_restrict=0
# May also have to do the following:
# (additional reading http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar )
sudo sysctl kernel.perf_event_paranoid=0

How to set up multiple accounts with Mutt E-mail Client

Thanks to this article by Christoph Berg

Instructions

Directories and files

~/

rage-quit support for bash

HOW TO INSTALL

Put flip somewhere in your $PATH and chmod a+x it.

Copy fuck into ~/.bashrc.

	#!/usr/bin/env bash

	size=1024 # MB
	mount_point=$HOME/tmp
	name=$(basename "$mount_point")

	usage() {
	echo "usage: $(basename "$0") [mount \| umount \| remount \| check \| orphan]" \
	"(default: mount)" >&2
	}

	file_roots:
	base:
	- /srv/salt/default_states
	- /srv/salt/aws_stuff
	vagrant:
	- /srv/salt/default_states


	Then place your aws specific custom grains in /srv/salt/aws_stuff/_grains

	#!/bin/bash
	# roles/openssl/files/install.sh

	wget https://www.openssl.org/source/openssl-1.0.1g.tar.gz -O /tmp/openssl-1.0.1g.tar.gz

	cd /tmp
	tar -xvzf openssl-1.0.1g.tar.gz

	cd openssl-1.0.1g

	# Bind SSL port with PFS-enabling cipher suite
	bind :443 ssl crt path_to_certificate no-tls-tickets ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-GCM-SHA384:AES128-SHA256:AES128-SHA:AES256-SHA256:AES256-SHA:!MD5:!aNULL:!DH:!RC4

	# Distinguish between secure and insecure requests
	acl secure dst_port eq 443

	# Mark all cookies as secure if sent over SSL
	rsprep ^Set-Cookie:\ (.*) Set-Cookie:\ \1;\ Secure if secure

	# Add the HSTS header with a 1 year max-age

	var http = require('http');
	var send = require('send');
	var urlParse = require('url').parse;

	var count = 2;
	var server = http.createServer(function (req, res) {
	if (!--count) server.close(); // Only allow two connection and then exit.
	send(req, urlParse(req.url).pathname)
	.root(__dirname)
	.pipe(res);