Me! Me! Me!
This blog is the ramblings of Anders Rostgaard Bystrup. I am a CS major, code hacker, trimix diver, eager photographer and sea scout emeritus amongst other dubious titles.
I have a BSc in physics and consequently like to remind people when they fail to remember units in calculations.
Oh, and I work as a freelance software architect and developer. Hire me!
More me:
Me at Home
Me at Work
Me at Stackoverflow
Me at LinkedIn
Me at SISU Foto
...and Facebook - SISU Foto
Me at @sisufoto
Me at bystrup.net/photoNot me:
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Author Archives: Anders Rostgaard Bystrup
Remote weather sensing — geek style
So: A family member sort of mentioned a desire to monitor the weather a at undisclosed secure location some 100+km from where he lives… Several manufacturers offer solutions to this, but they are either 1) expensive, 2) unelegant or 3) … Continue reading
Posted in Arduino, Coding, Electronics, Networking
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Messing with chinese spammers
When you see this in /var/log/mail.log, you know the chinese are out to get you: Aug 10 14:15:05 manstein postfix/smtpd[7858]: connect from static-186-155-242-140.static.etb.net.co[186.155.242.140] Aug 10 14:15:08 manstein postfix/smtpd[7858]: warning: static-186-155-242-140.static.etb.net.co[186.155.242.140]: SASL LOGIN authentication failed: authentication failure Aug 10 14:15:08 manstein postfix/smtpd[7858]: lost … Continue reading
Tracking down a NoSuchMethodError
Caused by: java.lang.NoSuchMethodError: org.apache.xml.serializer.Encodings.isRecognizedEncoding(Ljava/lang/String;)Z at org.apache.xml.serializer.dom3.LSSerializerImpl.write(LSSerializerImpl.java:926) at … If you’ved ever had the unpleasant task of figuring out which of the 200+ JAR dependencies in your project that are causing the a NoSuchMethodError (usually in some XML or webservice code), … Continue reading
Posted in Coding, Java
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Static fixed and wifi IPs on Raspberry Pi
When coding to and configuring ones Raspberry Pi, it is convenient to have it on a wired connection, but when it is being deployed in the field, it is much easier to have it on wifi. Still, it can be … Continue reading
Posted in Linux, Networking, Raspberry Pi
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A selection of handy unix/linux one-liners
Over the years I’ve found myself repeatedly using (variations of) the same one-liners to achieve certain tasks in unix/linux environments. Task such as finding files containing strings, finding sizes of directories etc.
Posted in Linux, Unix
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HOWTO: Get IPv6 in your home
Since IPv6 Day when I registered for a SixXS handle, I’ve wanted to jump on the IPv6 wagon at home. My setup is a DSL line with Telenor as my ISP. Almost needless to say, Telenor does not do native … Continue reading
HOWTO: Time lapse with Contour HD GPS
(NOTE: This is a work in progress and mostly to remind myself of the process…) When I started out experimenting with time lapse movies, I found there were surprisingly few ready-made open source or even commercial software packages that were … Continue reading
GWTP, Guice and Spring non-trivial beans
Having struggled a bit with the somewhat terse documentation and JavaDoc I finally figured out the tricks of using Guice and GWTP along with Spring. As much for my own future reference and for others that may have the same … Continue reading