Hi, There are some maps and other stuff here.

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IPv4 DFZ Map, November 2019

IPv6 DFZ Map, November 2019

DFZ Map, August 2018

DFZ Map, April 2015

Kiwicon 2013 Slides - click

Kiwicon 2012 Slides - click

How to iperf properly - iperf.txt

Some icinga2 logstash elasticsearch stuff - icinga2
Syslog performance tuning parameters - syslog stuff
Exim 4.94 or whatever, fix for "tainted" virtual host - exim fixes
Dell/EMC Switch OS10 Radiator Integration - Dell Radiator Notes
Clearpass Radiator Integration - Clearpass Radiator Notes