NoUsername’s gists

NoUsername / websocket_loadtester.js

Created January 16, 2013 07:32

a simple load tester for websocket server which connects a desired number of clients, sends "client _RANDOM_UNIQUE_ID_" and then in a given interval "ping _RANDOM_NUMBER_" prints out any messages sent by the server

	#!/usr/bin/env node
	// to run install: nodejs and the module "websocket"
	// npm install websocket
	// then execute
	// node tester.js _NUMBER_OF_CLIENTS_

	var WebSocketClient = require('websocket').client;

	var HOST = 'ws://localhost:8449/ws/endpoint';
	var PING_TIME_MS = 20000;

NoUsername / python multiprocessing example

Created October 31, 2013 21:24

	from multiprocessing import Process, Queue
	from Queue import Empty

	MAX_MSG = 200000
	NUM_PROC = 10

	def startProducer(queue, out, max):
	import time, random
	time.sleep(2)
	for i in range(max):

NoUsername / imageViewer.html

Created March 2, 2014 15:38

Simple image viewer, which loads all images from an html directory listing.

	<html>
	<head>
	<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
	</head>
	<body>
	<img id="viewer" src="" width="800px"/>
	<div id="info"> </div>
	<script>
	$(function() {

NoUsername / speedCap

Created March 23, 2014 14:43

helper script for setting speed limit in openwrt via wshaper

	#!/bin/sh
	speed=4000
	if [ $# -gt 0 ]; then
	speed=$1
	fi
	printf "setting speed to $speed\n"

	uci set wshaper.settings.downlink=$speed
	uci commit
	/etc/init.d/wshaper restart

NoUsername / raspberryPiCheatSheet

Last active August 29, 2015 14:01

Raspberry-Pi cheat sheet

	# disabling raspbmc firewall the dirty way:
	# from http://raspberrypi.stackexchange.com/questions/5334/how-can-i-disable-raspbmcs-firewall-via-ssh
	# in /etc/network/if-up.d/secure-rmc replace:
	iptables -A INPUT -s $NETMASK -i $IFACE -j ACCEPT
	iptables -A INPUT -i $IFACE -j DROP
	# with
	iptables -A INPUT -i $IFACE -j ACCEPT


	# fixing a broken sd card

NoUsername / i3-custom-config

Last active August 29, 2015 14:12

custom configuration for the i3 window manager (to be appended to default config file in ~/.i3/config )

	# This file has been auto-generated by i3-config-wizard(1).
	# It will not be overwritten, so edit it as you like.
	#
	# Should you change your keyboard layout somewhen, delete
	# this file and re-run i3-config-wizard(1).
	#

	# i3 config file (v4)
	#
	# Please see http://i3wm.org/docs/userguide.html for a complete reference!

NoUsername / .Xdefaults

Created January 3, 2015 17:35

.Xdefaults config file

	URxvt*transparent: true
	URxvt*tintColor: #222222
	URxvt*shading: 80
	URxvt*saveLines: 12000
	URxvt*foreground: White
	URxvt*background: #000000
	#URxvt*font: xft:Bitstream Vera Sans Mono:pixelsize=12:antialias=true:hinting=true
	#URxvt*boldFont: xft:Bitstream Vera Sans Mono:bold:pixelsize=12:antialias=true:hinting=true
	URxvt*font: xft:DejaVu Sans Mono:pixelsize=12:antialias=true:hinting=true
	URxvt*boldFont: xft:DejaVu Sans Mono:bold:pixelsize=12:antialias=true:hinting=true

NoUsername / 15_windows

Created January 3, 2015 19:17

GRUB2 boot file for windows (by exiting grub)

	#!/bin/sh -e
	echo "Adding Windows to GRUB 2 menu"
	cat << EOF
	menuentry "Windows" {
	exit
	}
	EOF
	## to activate this run:
	## sudo grub-mkconfig -o /boot/grub/grub.cfg

NoUsername / usbreset.c

Created February 4, 2015 20:56

Usb reset utility

	// copy of https://github.com/leonarf/radioRaspberry/blob/master/src/resetLibusb.c
	#include <stdio.h>
	#include <stdlib.h>
	#include <libusb-1.0/libusb.h>

	//compile: gcc usbreset.c -o usbreset -lusb-1.0
	//usage: ./usbreset 2 6
	//use lsusb to check out the bus number and device number

	struct libusb_device_handle *devh;

NoUsername / syslog

Created March 7, 2015 16:51

syslog part of lenovo suspend issue

	Mar 7 17:48:51 paulbook3 kernel: [ 7192.099016] tpm_tis 00:04: Error (28) sending savestate before suspend
	Mar 7 17:48:51 paulbook3 kernel: [ 7192.099023] __pnp_bus_suspend(): tpm_pm_suspend+0x0/0x1b0 returns 28
	Mar 7 17:48:51 paulbook3 kernel: [ 7192.099025] dpm_run_callback(): pnp_bus_suspend+0x0/0x20 returns 28
	Mar 7 17:48:51 paulbook3 kernel: [ 7192.099028] PM: Device 00:04 failed to suspend: error 28
	Mar 7 17:48:51 paulbook3 kernel: [ 7192.099030] PM: Some devices failed to suspend, or early wake event detected
	Mar 7 17:48:51 paulbook3 kernel: [ 7192.104247] sd 0:0:0:0: [sda] Starting disk

Paul Klingelhuber NoUsername