Self-Employment
I’ve been in contact with lots of freelancers in my career so far. This type of…
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Login Shells
When working with Linux, Unix, and Mac OS X, I always forget which bash config file…
Wirless Network Security
During some smaller conferences I visited some sessions regarding IT Security. As I played around with…
Java Enterprise Architecture
Java Enterprise Edition Architecture is a specification for software architecture for enterprise context. Therefore the following…
SSH-Key Formats
Most people get to know cryptography when they are asked for their SSH key to gain…
Heartbleed and Certificate Authorities
Some people might have noticed, that my Certificate Authority (CA) has lost it’s trusted status due…
Java Logging
Recently I implemented a small Java application to gain some insights into my teams performance. The…
Netflix: Simian Army
Netflix once introduced a pattern to increase quality within their deployment pipeline via a pattern called…
World Community Grid
After setting up my own Metal as a Service (MaaS) in my home-lab, I wasn’t sure what to…
Rough Order of Magnitude (ROM)
Whenever meeting developers, there is one topic which seem to make peoples lives troublesome: estimations. In…