This post is intended to be a dummy guide, best practices, or whatever you call it… about setting up a network while working with virtual boxes on a desk- or laptop. I was setting up a virtual box environment with several Virtual Boxes on my laptop, and as I’m not a network – specialist, I came across a few annoying things, challenges if you like. And when I was googling around, it appeared to be I’m not the only one, so I felt the urge to share some experiences.
Already published this post on the amis-blog by the way, a long time ago. Decided to publish it also on my own blog.
What I want is the following environment and some elements smells like a subset of the real life:
1. Connect from my laptop to my virtual box through ssh and sqlplus, with fixed ip-address.
2. Simulate a private network, a network between the virtual boxes, also with fixed ip-addresses.
3. Occasionally connect to the internet from within the virtual boxes. To performs a ‘yum update’ and that kind of stuff.
This post has already been published in the past on the AMIS-blog.
To build an Oracle 12C RAC database – on Virtual Boxes – there’s at least shared storage needed for ASM, and a DNS-server for the SCAN-addresses. Several methods can be used for this, but for the storage in my private project I chose Openfiler, an open source management storage tool, on a separate Virtual Box. It’s like a SAN in real life (the complete system will be three Virtual Boxes: two RAC-nodes and 1 storage Virtual Box). Version Openfiler: 2.99.
But what I want is a separate DNS-server, just as in real life. The perfect candidate is to use the separate Openfiler Virtual Box
This post has already been published in the past on the AMIS technology blog.
Once in a while a company wants to know if her Oracle development- and test- environments needs to be licensed. And in a lot of cases this question simply can be answered as: yes, these environments must be licensed. The cases in which these licenses are not needed, are quite rare and a company should verify this with her Oracle representative or an intermediary.
Recently I bumped into such a lucky company, and I thought it’s a good reason to write about this. And as always when talking about licenses please take notice of the disclaimer in this article.
In this post I will first shortly point out why development- and test-environments need to be licensed according to Oracle, try to explain the ‘OTN Development license’ , describe the case of the lucky company and point out some consideration to make the costs of the environments maybe more bearable.