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# Overview

As a base technology openHAB uses Karaf (i.e. for bundle management). [Apache Karaf](http://karaf.apache.org/) is an open source implementation of the [OSGi](https://en.wikipedia.org/wiki/OSGi) Release 5 core framework specification.

Therefore following of the administration tasks are performed in the [Karaf console](console.html):

- [Logging](logging.html)
- [Bundle Management](bundles.html)

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