Category Archives: Software

Initial experiences with the Samsung Galaxy S II and Android

A few days ago, on May 11th, I received my new phone, the Samsung Galaxy S II. This is one of the first dual core phones runnning gingerbread. After a few days of working with it, I must say I … Continue reading

Posted in Misc, Software | 2 Comments

Countdown has started again!

Yes folks! The countdown timer has been started again. This time I decided to renew it a bit and use a bit of javascript with jQuery instead of the good ‘ole java applet. Frames are not supported by your browser … Continue reading

Posted in Fun, Java, Misc | 1 Comment

Processor evolution, will history repeat itself?

It is interesting to see what is going on in the industry with regard to the development of CPUs. In particular, the first dual core smartphones are being released right now and there are even quad core CPUs expected later … Continue reading

Posted in Devops/Linux | 1 Comment

Bad quality scales superlinearly

Take any given production process and assume it is not producing good enough quality let’s call it ‘crap’ to make it a bit more expressive. Now, ask yourself what happens if you scale this process by adding more workers and … Continue reading

Posted in Misc, Process/WoW | Leave a comment

KVM Setup Overview

The server has been running stable now for quite some time in the new setup with several virtual machines providing the actual functionality using Kernel Virtual Machine. The setup is as follows. The host (falcon) is running a linux server … Continue reading

Posted in Devops/Linux | 1 Comment

Two worlds meet (1): Automated creation of Yum Repos with Maven, Nexus, and Hudson

This is the first of a series of blogs titled ‘Two worlds meet’ talking about how two technologies can be used together to solve a problem. Mostly one world will be linux or more specifically a virtualized linux setup using … Continue reading

Posted in Devops/Linux, Java, Software | 10 Comments

Flexible JDBC Realm for Glassfish

Approximately three years a go I started the development of a simple JDBC based security realm for Glassfish. The reason was that I was migrating from JBoss to glassfish and was running into problems with one application. That application simpy … Continue reading

Posted in Java, Software | 4 Comments

Move to Maven 3

Today I moved all my projects to maven 3.  The claim is that maven 3 is downwards compatible with maven 2, but have a look at the compatibility notes. The issues I ran into were: Parent resolution: Parents are no … Continue reading

Posted in Java, Software | Leave a comment

New Server Setup is Complete!

Over the past weeks I have spent huge amounts of time in setting up the new server, making sure that I preserve the complete functionality that I had before. My aim was to take my old server (i.e. server installation) … Continue reading

Posted in Devops/Linux, Software | Leave a comment

Sticky 911! Making it easy to quickly and reliably boot your linux OS from USB or CD/DVD

I have been isolinux in the past to boot my server. In fact, it used to be the only way to boot it because somehow my BIOS did not recognize the RAID card. That problem was solved later by a … Continue reading

Posted in Devops/Linux, Software | 2 Comments