jplitza’s gists

jplitza / rra_upgrade.sh

Last active August 29, 2015 13:56

RRA upgrade

	#!/bin/sh

	for rrd in *.rrd; do
	since="$(rrdtool dump $rrd\|grep -oE '[[:digit:]]{10}'\|sort\|tail -n1)"
	rrdtool create $rrd.new --start "$since" --step 60 \
	DS:upstate:GAUGE:120:0:1 \
	DS:clients:GAUGE:120:0:200 \
	RRA:AVERAGE:0.5:1:120 \
	RRA:AVERAGE:0.5:5:1440 \
	RRA:AVERAGE:0.5:60:720 \

jplitza / graphs.html

Created February 22, 2014 22:14

Graphing RRDs with javascriptrrd+flot

	<!DOCTYPE html>
	<html>
	<head>
	<title>Graph-Test</title>
	<script src="//code.jquery.com/jquery-1.10.1.min.js"></script>
	<script type="text/javascript" src="lib/flot/jquery.flot.js"></script>
	<script type="text/javascript" src="lib/flot/jquery.flot.time.js"></script>
	<script type="text/javascript" src="lib/flot/jquery.flot.selection.js"></script>
	<script type="text/javascript" src="lib/flot/jquery.flot.tooltip.js"></script>
	<script type="text/javascript" src="lib/javascriptrrd/binaryXHR.js"></script>

jplitza / autobuild.sh

Created February 23, 2014 20:35

gluon autobuild script

	#!/bin/sh

	set -e

	# functions

	usage() {
	cat <<EOF
	Automatically builds gluon images from the latest versions of the repositories.

jplitza / newkey.php

Last active August 29, 2015 13:56

fastd add key script

	<?php
	require("write_key.inc.php");
	?>
	<!DOCTYPE html>
	<html lang="de">
	<head>
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
	<title>Mesh-VPN-Schlüssel eintragen</title>

jplitza / ffmap-backend.js

Created March 1, 2014 14:42

FFMap backend in NodeJS

	#!/usr/bin/env nodejs

	var fs = require('fs');
	var _ = require('underscore');
	var RRD = require('rrd').RRD;
	var argv = require('optimist')
	.usage('Usage: $0 -b <batvis file> -a <alias file> <destination dir>')
	.options('b', {alias: 'batvis', describe: 'File containing output of batadv-vis -f jsondoc', demand: true, string: true})
	.options('d', {alias: 'details', describe: 'File containing details sent by the nodes', demand: true, string: true})
	.argv;

jplitza / tikz_graphs.tex

Created April 28, 2014 13:35

	\documentclass{scrartcl}
	\usepackage{tikz}
	\usetikzlibrary{graphdrawing,graphs}
	\usegdlibrary{circular}

	\begin{document}
	\begin{tikzpicture}[simple necklace layout]
	\graph { A -> B -> C -> A};
	\end{tikzpicture}
	\end{document}

jplitza / channelsurvey.json

Last active August 29, 2015 14:06

Transform and plot channel survey data. See http://bremen.freifunk.net/blog/2014/09/21/Auswertung-Kanalanalyse.html for explanation

[{"2412": ["6511A5AF+", "9CA6B13E+", "C7A646CE", "238742BA"], "2472": ["1A2B3912-"], "2462": ["80DFA95A", "0543E2A4", "C7A6A76E", "96D72006"], "2437": ["0F6EB6A4", "2506C763", "1D19D85E", "1DD19B4A", "4FB59AB4"], "2452": ["83BF6A82", "24FE03AD-"], "2442": ["2308AD52-"]}, {"2412": ["03557B22", "2308015E+", "2DB38AD9+"], "2472": ["1C284EB1"], "2462": ["8DF730F1-"], "2422": ["317035E5", "C63C55C8"], "2437": ["040E2C9D", "2E9E3916", "1A4F01E2", "BDB99066", "80DF7CD7"], "2457": ["1C2812C7"]}, {"2412": ["23087FE1", "2308E857", "31C4156A+", "31C43F2E", "23085221", "C63C3FB3"], "2422": ["040ED55D", "1D199CD5"], "2447": ["96D7A2DE", "A8E4F368", "C7A6F2A2-"], "2472": ["651172E5", "31C40A3D"], "2462": ["1F33777C", "16E36874", "1C4A0129-", "6D8FCEB6-"], "2437": ["1E58849F", "26F24594+", "7EE53D88", "1E580919", "1CF08464", "040E5692", "264D08B0-", "264D0C81", "265AAFBB", "150C8C77"], "2417": ["96D7A280+", "1A2ACAD0", "C63C266C+"], "2442": ["66B3EE61-"], "2432": ["8DF7790B+", "C63CB6E1"], "2457": ["1401CE1D", "7EE50084-", 

jplitza / git-word-stat.sh

Last active June 28, 2018 19:56

Do a git diffstat based on words (using git diff --word-diff and wc -w). Might break on merge commits!

	#!/bin/bash

	# Copyright (c) 2014 Jan-Philipp Litza <[email protected]>
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights
	# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	# copies of the Software, and to permit persons to whom the Software is
	# furnished to do so, subject to the following conditions:

jplitza / webhook.php

Created January 7, 2015 14:36

A basic PHP webhook handler for Github, just verifying the signature and some variables before calling another command to do the actual work

	<?php
	// where to log errors and successful requests
	define('LOGFILE', '/tmp/github-webhook.log');

	// what command to execute upon retrieval of a valid push event
	$cmd = 'update-jekyll.sh 2>&1';

	// the shared secret, used to sign the POST data (using HMAC with SHA1)
	$secret = '00000000000000000000000000000000';

jplitza / gist:206cccc1e547615a2331

Created February 22, 2015 18:53

	function update_latency(int link_latency) {
	bgp_community.add((64511, link_latency));
	if (64511, 9) ~ bgp_community then bgp_community.delete([(64511, 1..8)]);
	else if (64511, 8) ~ bgp_community then bgp_community.delete([(64511, 1..7)]);
	else if (64511, 7) ~ bgp_community then bgp_community.delete([(64511, 1..6)]);
	else if (64511, 6) ~ bgp_community then bgp_community.delete([(64511, 1..5)]);
	else if (64511, 5) ~ bgp_community then bgp_community.delete([(64511, 1..4)]);
	else if (64511, 4) ~ bgp_community then bgp_community.delete([(64511, 1..3)]);
	else if (64511, 3) ~ bgp_community then bgp_community.delete([(64511, 1..2)]);
	else if (64511, 2) ~ bgp_community then bgp_community.delete([(64511, 1..1)]);

Jan-Philipp Litza jplitza