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Heiko Ludwig
Works at Max Planck Institute for biophysical Chemistry
Attended University of Hildesheim, Germany
Lives in Bovenden
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Work
Occupation
Systems and network administrator
Employment
  • Max Planck Institute for biophysical Chemistry
    2008 - present
  • MAGIX AG
    2006 - 2008
  • DeveloGen AG
    2002 - 2006
  • SGH Internet Division
    1999 - 2001
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Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Bovenden
Previously
Göttingen - Hannover - Braunschweig - Hildesheim - Lübbecke
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Gay sysadmin, humanist, geek, roleplayer, gamer
Introduction
GMT+1
Education
  • University of Hildesheim, Germany
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Male
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In a civil union
Other names
Heiko Niemeier, Taleel, Vidrax

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Heiko Ludwig
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German  - 
 
 
Alle Nazis an den Süd- oder Nordpol ausschaffen! Eine gute Idee. Kontrovers? Vielleicht. Jedenfalls Pol-arisierend.
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Christoph S's profile photoHein Mueck (real11d)'s profile photoKristian Köhntopp's profile photo
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Pol-itisch unkorrekt 
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Please don't lick the science.
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God Emperor Lionel Lauer's profile photoFabian Schorp (coinee)'s profile photoIrreverent Monk's profile photoDaniel Fahlke's profile photo
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I don't deal well with near absolute zero temperatures. :(
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Heiko Ludwig

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Last night we saw the International Space Station (ISS) passing directly over us.
Thank you, +ISS Tracker!
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Rüdiger Ludwig's profile photoStefan Momma's profile photo
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The app from http://www.issdetector.com/ is your friend -- and you'll never miss a fly-over again :-)
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I was reading a book which included the phrase "in these days of political correctness..." talking about no longer making jokes that denigrated people for their culture or for the color of their skin.

And I thought, "That's not actually anything to do with political correctness.  That's just treating other people with respect."

I started imagining a world in which we replaced the phrase "politically correct" wherever we could with "treating other people with respect" and it made me smile.

You should try it.  It's peculiarly enlightening.

I know what you're thinking now.  You're thinking "Oh my god, that's treating other people with respect gone mad!"

-- Neil Gaiman​
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I think the problem is when it goes overboard to the point where people are afraid to say anything because they know that somebody is always going to be terribly, terribly offended. The new Atlantic has an article about comedians' exeriences at American universities (http://www.theatlantic.com/magazine/archive/2015/09/thats-not-funny/399335/?utm_source=SFTwitter). When somebody as mainstream as Seinfeld says he has been told not to perform at colleges because of the PC, that can't be a good sign.
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Heiko Ludwig

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Thank you, dear $SWITCH_MANUFACTURER, for changing the default setting for packet filtering from one point release to the next.

Old behaviour: Filter on layer 3
New behaviour: Filter on layer 2 and 3

As soon as a VLAN interface has ACLs, the switch now throws away packages it was supposed to forward to a different network segment within the VLAN.

That leads to wonderful and easy to debug effects like:
* Packages within a network segment arrive at their target, as usual.
* Packages that need to be routed to a different VLAN arrive at their target, as usual (since the routing ACLs didn't change).
* Packages in the same VLAN, but different network segment (eg different floor in the same building) now get dropped when trying to get through the core switch.

Fun we had while trying to find the cause of the problems:
"I can't ping server X!"
"But it works from server Y!"
"It doesn't from server Z, same VLAN!"

Hate.
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YAY! SO MUCH FUN! I LOVE DEBUGGING THAT KIND OF STUFF!
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Someone figured out a substance that makes wasps build a nest. Then someone applied that in the form of beards to a wall. #onlyinberlin
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Thanks Obama +DriveThruRPG.

(in case you haven't heard: They got hacked, credit card data got copied by probably nefarious folks. You might want to follow my example here and call your credit card company, just in case.)
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Jens Finkhäuser's profile photoMarkus Wagner's profile photoHeiko Ludwig's profile photoAndreas Jellinghaus's profile photo
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Still in general I find my data better protected by putting it into only a few hands with large resources for security than to spread the data into many places. Thus I prefer to use shops where I pay through the big three (PayPal, amazon payments, google payment) rather than enter all that days into they another database and have yet another account to secure. However YMMV...

Disclaimer: I'm a lowly employee of one of the companies mentioned.
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Heiko Ludwig

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Hipsterer than thou.
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