Curtis Allen curtisallen

Set the default size for new Docker for Mac disk images

UPDATE: The instructions here are no longer necessary! Resizing the disk image is now possible right from the UI since Docker for Mac Version 17.12.0-ce-mac49 (21995).

If you are getting the error: No space left on device

Configuring the qcow2 size cap is possible in the current versions:

# my disk is currently 64GiB

Tuning Storm+Trident

Tuning a dataflow system is easy:

The First Rule of Dataflow Tuning:
* Ensure each stage is always ready to accept records, and
* Deliver each processed record promptly to its destination

Creating a dynamic site-to-site VPN with OpenSwan on Ubuntu 10.04 on EC2

Wes Winham [email protected]

There are many tutorials floating around the web that almost get you a dynamic VPN in EC2. The goal of this tutorial is to be a one-stop-shop for this specific setup.

	backend "file" {
	path = "/opt/HashiCorp/Vault/secrets"
	}

	listener "tcp" {
	address = "127.0.0.1:8200"
	tls_disable = 1
	}

	#!/bin/bash

	# remove exited containers:
	docker ps --filter status=dead --filter status=exited -aq \| xargs -r docker rm -v

	# remove unused images:
	docker images --no-trunc \| grep '<none>' \| awk '{ print $3 }' \| xargs -r docker rmi

	# remove unused volumes:
	find '/var/lib/docker/volumes/' -mindepth 1 -maxdepth 1 -type d \| grep -vFf <(

	public class EZMap<T> {
	public static void main(String[] args) {
	Map<String,Object> m = hashMap(
	bob -> 5,
	TheGimp -> 8,
	incredibleKoolAid -> "James Taylor",
	heyArnold -> new Date()
	);
	System.out.println(m);
	}

	// node: v0.10.21
	// request: 2.27.0
	var request = require('request');
	var fs = require('fs');

	var r = request.post("http://server.com:3000/");
	// See http://nodejs.org/api/stream.html#stream_new_stream_readable_options
	// for more information about the highWaterMark
	// Basically, this will make the stream emit smaller chunks of data (ie. more precise upload state)
	var upload = fs.createReadStream('f.jpg', { highWaterMark: 500 });

	import java.io.IOException;
	import java.nio.charset.StandardCharsets;
	import java.nio.file.Files;
	import java.util.Arrays;
	import java.util.Iterator;
	import java.util.Properties;
	import org.I0Itec.zkclient.ZkClient;
	import org.apache.kafka.clients.consumer.ConsumerRecord;
	import org.apache.kafka.clients.consumer.ConsumerRecords;
	import org.apache.kafka.clients.consumer.KafkaConsumer;

	####################################
	# BASIC REQUIREMENTS
	# http://graphite.wikidot.com/installation
	# http://geek.michaelgrace.org/2011/09/how-to-install-graphite-on-ubuntu/
	# Last tested & updated 10/13/2011
	####################################

	cd
	sudo apt-get update
	sudo apt-get upgrade

	You need to run tests with:

	go test -tags=test