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Preface Recently I needed to setup k8s cluster on my local machine in order to see if I'm able to do it on bare-metal servers lately. So I decided to first give it a shot using Virtual Box machines. There were a few places where I was a bit stuck and spent some times googling. This article should summarize all of the problems and give you solution. Most of knowledge used here can be found in official kubernetes documentation. I will also show you how to configure your virtual machines…

Hello. Quite a while ago I was given a task to create a java module which would be able to create customized clones from existing virtual machines, managed by vSphere. Main focus was on creating clones, which has unique network settings so all machines can be used for testing at once on same network. To do this, I utilized an open source java library called VIJAVA , which is a Java API to VMWare infrastructure. It offers you pretty big set of operations, which you can do on top of the…

Recently, I have been exploring administration delegation feature of OpenAM 11 and given that i didn't find any detailed information about this topic, I decided to write down this blog.  This article is based on existing OpenAM documentation( http://openam.forgerock.org/openam-documentation/openam-doc-source/doc/admin-guide/index.html#delegate-realm-administration ) and my investigations of this area. (more…)