Daniel López kpacha

a simple git branching model (written in 2013)

This is a very simple git workflow. It (and variants) is in use by many people. I settled on it after using it very effectively at Athena. GitHub does something similar; Zach Holman mentioned it in this talk.

Update: Woah, thanks for all the attention. Didn't expect this simple rant to get popular.

Akka Cluster Implementation Notes

Slightly disorganized but reasonably complete notes on the algorithms, strategies and optimizations of the Akka Cluster implementation. Could use a lot more links and context etc., but was just written for my own understanding. Might be expanded later.

Links to papers and talks that have inspired the implementation can be found on the 10 last pages of this presentation.

Akka Gossip

Gossip state

This is the Gossip state representation:

	Using the nc command you can scan a port or a range of ports to verify whether a UDP port is open and able to receive traffic.

	This first command will scan all of the UDP ports from 1 to 65535 and add the results to a text file:

	$ nc -vnzu server.ip.address.here 1-65535 > udp-scan-results.txt

	This merely tells you that the UDP ports are open and receive traffic.

	Perhaps a more revealing test would be to actually transfer a file using UDP.

	<?php
	// Crude check. Off course this should be stored in a (memory) database. $token is an
	// access token that is provided by oauth.

	$token = $_SERVER['HTTP_X_AUTH_TOKEN'];

	if ($token == "mellon") {
	header("X-Api-User: Gandalf");
	header("X-Api-Context: Middle-Earth");
	header("Cache-Control: public, max-age=120");

	language: java

	env:
	global:
	- SONATYPE_USERNAME=yourusername
	- secure: "your encrypted SONATYPE_PASSWORD=pass"

	after_success:
	- python addServer.py
	- mvn clean deploy --settings ~/.m2/mySettings.xml