Monthly Archives: Listopad 2014

db2setup – invalid hostname in a first setup window

„The host name ‚myHost‘ is invalid. Ensure the host name resolves to a valid ip address. Specify a valid host name and rerun the command.“ = loopback is not associated with hostname. Solution =


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R and Oracle – connection via RJDBC (Debian 8 Jessie Beta2)

As R language is taken as one of the best analytics languages/tools in general, databases can‘ t be overlooked. Article is focused on very simple connection example for connecting R with Oracle database.

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Aqua Data Studio 15.0.11 running in PC-BSD 10.1

Know that kind of concerns? You bought really expensive license for great software…. changed operating system… and just rely that if it is written in Java, it can’t be problem to use it. Agreed.

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PC-BSD 10.1 – customizing powerd

Know that feeling that something is just different while using new operating system? Ok, fan is running and – indeed – it is caused by power (non-)saving features in default setting (at least in my case). How to solve it … Continue reading

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PC-BSD 10.1 as main operating system ?!

Getting rid of kernel fixing (dividing by zero), kernel versions, unbelievable bugs on every step, poor disk setting (file system), poor security (shell shock, remember?)? Ok, I tell you something. I switched from linux(thx for 15 great years anyway!) to … Continue reading

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Master-master replication (MariaDB on Manjaro)

Sometimes it’s very useful to skip well-known master-slave replication scenario and focus on master-master possibility 🙂

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