Tech Blog

Thoughts, stories and ideas.

Jazoon TechDays 2016

10. October 2016

Early last Friday morning, three scouts from the Adfinis SyGroup AG made their way to the Gurten – the famous local mountain of the city of Bern. They weren’t there…

Release and Patch Management with SUSE Manager 3

25. August 2016

The SUSE Manager 3 beta programme was started at the end of December 2015. We would like to take this opportunity to gain a basic understanding of what the next…

MySQL/MariaDB HA: Galera Cluster vs. DRBD replication

20. August 2016

Trademark notice DRBD® and LINBIT® are trademarks or registered trademarks of LINBIT in Austria, the United States, and other countries. Other names mentioned in this document may be trademarks or…

Multi-Factor Authentication

17. July 2016

In this day and age, hacker attacks are an all too common occurrence. This is why it is more important than ever to keep data secured but without making it…

Finja – Your friendly finding ninja

5. June 2016

Imagine you get a login for Unix-Box running on some esoteric hardware. On that box you find a 10 mloc C++/C/Java project, with many custom domain specific languages and file…

UCS Ansible modules

24. March 2016

A Univention Corporate Server (UCS) is not particularly suited for configuration by Ansible, since many tasks have to be done either via the Web GUI or via special Bash commands.…

systemd: start and stop dependencies

18. February 2016

The problem A web application which requires a Samba-Share (cifs) via openvpn (IPv6) runs on a Debian server (jessie, systemd 215). With the naive configuration, manual starting and stopping works…

GnuPG and SmartCards

18. January 2016

To ensure that GnuPG (Manpage) or PKCS#11 keys can no longer be stolen by a virus or similar, they can instead be stored on an external hardware security module (HSM)…