Protected: Rengers Geburtstag 2019

Protected: Ostern 2019

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Hibernate UUID issues on Postgres 10

After updating a database from Postgres 9.6 to 10 all applications stopped working. The error message in the server log file is “Unable to load requested class: pg-uuid”.

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Photos Hoevelmarkt 2016 / Fotos Hövelmarkt 2016

Auch dieses Jahr habe ich wieder viele Fotos beim 202. Hövelmarkt (30.09.2016 – 03.10.2016) gemacht. Die Bildergalarien sind unter http://www.hoevelmarkt.de verfügbar.

Also this year I have taken many photos during the 202. Hövelmarkt (30th September to 3rd October 2016). The collections are available under http://www.hoevelmarkt.de.

PGModeler (http://www.pgmodeler.com.br) is a nice tool to design your (PostgreSQL) database. It supports import from and export to a databases. Ubuntu 15.10 comes with a quite recent version but e.g. Debian does not provide it in the repository. In this post I explain howto build the application on Linux (tested on Debian 8) from source.

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VirtualBox: Shrink dynamically extended image

A VirtualBox image needs to be shrinked again from time to time. Due to usage, updates, testing the size of the VDI files grows. The following post shows how to shrinken the VDI files again.

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Set UTF-8 encoding on Netbeans

Update Netbeans file encoding

If you use an operating system which default file encoding is not UTF-8 (e.g. Windows) it is sometimes beneficial to change the file encoding NetBeans IDE will use.

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Protecting servers with fail2ban – Postfix mail server

The next post of the fail2ban series will handle the protection of postfix mail servers.

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Author: Joern