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Posted in: Unwichtig

So today I decided to move all my certificates from StartSSL to LetsEncrypt. Not only is StartSSL really a bad CA with recent problems, but also they limit you with several obstacles that just don’t make any sense. They really just want you to sign up for one of their “great” extended validation thingys. Over the last couple months they have really improved the web interface but still this is not enough to deal with today’s challenges of delivering secure connections to users easily. Their new APIs and StartEncrypt service are merely a late effort, trying to outbid LE with a worse service. Not worth the time or effort.

The biggest problem is, that today I run multiple domains on my server and I need to provide one single certificate with all domains via Dovecot / Postfix. StartSSL allows you to have up to five domain names in the certificates they sign. (For example www.bruck.me and bruck.me would be a total of two domain names) So I’ve ran out of the possibility of using all my domains with one StartSSL certificate. Well, LE offers up to 100 domain names in one certificate. Of course wildcard certificates would be nicer, but this will work as well.

I can really recommend acmetool as an interface tool with LE. I didn’t want any of that fancy magic stuff, as I use a nice webinterface to manage all my webhosts. acmetool generates the certificates after verification and puts them into a central location on the disk. It also manages renewals automatically, so I don’t have to deal with those either. Exactly what I was looking for! Setup is quite easy! Excellent job LE, on making this whole process open source and providing us with the possibility to build any client we want!

So, to summarize: acmetool great, letsencrypt even better, StartSSL meeeh.

Read the PostLetsEncrypt now used everywhere

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So in the last four months (October 2015 to January 2016) I had the pleasure to work with the team of students at Texas A&M university. I got to experience a whole different culture of studying and learning – a different approach to tackle the issues of the future.

Compared to German universities, Americans have adopted a class like education even in higher education. While we at the TUM have to aggregate and learn most of the material ourselves, students at A&M tend to get the content and materials prepared in form of text books.

My main goal was to work on my bachelor thesis though, where I looked at a new way to develop web applications using Meteor and Angular to integrate wearables into the web-experience.

You can download the thesis here. It’s also on the website of the “Lehrstuhl für Betriebssysteme”.

Read the PostBachelor thesis published

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I’m glad to be part of the amazing community at codementor.io. In the past years I’ve been able to talk and help many different people with a range of problems. Often some hints and good advice was enough to point them in the right direction and I really enjoy teaching other people.

Codementor recently approached me and asked me if I could contribute some questions from my experience in the last years to their blog post “25 PHP Interview Questions”. I’m happy they found my suggestions useful and featured me in that article! Hope it helps some developers that are just getting to know the world of PHP and all its hiccups.

Don’t forget to check out my profile on codementor!

Read the PostFeatured on Codementor – 25 PHP Interview Questions

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Nachdem das Sim City von EA so ein Flopp war, ergab sich eine große Marktlücke. Mit Aktionen wie ‘nur Online spielbar’ und limitierter Spielfläche, die eher sehr mager war, hat man einfach nicht bei den…

Read the PostDer Erfolg von Cities: Skylines

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Seit Farmville auf Facebook haben Spiele mit der Pay2Win (oder auch Free2Play gennant) einen regelrechten Boom hingelegt. Man wird durch einen stetigen Fluss an Lob und Erfolgsgefühle dazu getrieben, weiter in ein Spiel mit echtem…

Read the PostDegeneration der Spieleindustrie