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Julius Beckmann h4cc

  • ZENNER IoT Solutions
  • Hamburg, Germany
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View alexa.txt
Alexa, warum ist der Himmel blau?
Alexa, wie hoch ist der Mount Everest?
Alexa, was ist die Hauptstadt von ?
Alexa, was war das erste Album von ?
Alexa, was ist die Quadratwurzel von 64?
Alexa, wer ist der Sänger von ?
Alexa, wie weit ist es von hier bis ? GEHT NICHT
Alexa, was ist die Definition von paradox?
h4cc /
Created Oct 4, 2016
Linux: Howto: bizhub C280 : Linux Cups driver
wget -O "KMbeuUXv1_11-EFIGS.tgz" ""
tar xfvz KMbeuUXv1_11-EFIGS.tgz
cd KMbeuUXv1_11\ EFIGS/
sudo ./
h4cc / topics.exs
Last active Aug 30, 2016
Some ideas for topics to discuss at hh.ex meetup
View topics.exs
# Return values
# What is the difference here?
Logger.warn("Something went wrong!")
# and
:ok = Logger.warn("Something went wrong!")
# What will happen when that logger is added?
def do_somtething(), do: {:ok, 42}
h4cc /
Created Aug 2, 2016
Some notes a made from blog post by Mattias Geniar

Notes on Google QUIC


  • TCP has Handshakes and slow TLS negotiation.
  • TCP has a "synchronous nature".
  • QUIC builds on UDP and tries to be faster than TCP.
  • It may easier to deploy a new protocol, than improving existing TCP.
  • QUIC adopts well to HTTP2.
  • QUIC provides:
git shortlog -sn | cut -f2 | sort --ignore-case > CONTRIBUTORS
h4cc /
Created May 2, 2016
Ein paar Notizen zu Cynefin.



  • Unterscheidung von Systemen in 4 angrenzende aber fließend übergehende Domänen:
    • Einfach
    • Kompliziert
    • Komplex
    • Chaotisch
h4cc / Makefile
Last active Apr 17, 2019
Ubuntu 16.04 LTS Xenial Xerus - Basic packages i usually install
View Makefile
# Ubuntu 16.06 LTS (Xenial Xerus)
# Basic packages i usually install.
# Author: Julius Beckmann <>
# Upgraded Script from 14.04:
h4cc /
Created Mar 15, 2016
Revert a Synology Diskstation from 6.0 beta back to 5.2

Activate SSH

Connect via SSH with either ssh root@IP or ssh admin@IP and sudo su

Change VERSION file as needed. vi /etc.defaults/VERSION Change:

h4cc / imgur_fetch_gallery.php
Created Feb 18, 2016
Downloading all images from a imgur gallery with a simple PHP Script.
View imgur_fetch_gallery.php
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