user30732: I'd like to make a fork of Bitcoin, since it's the new trend ;)
The first thing I did was to create a docker image of ubuntu with all the dependencies, then I wanted to run the core software- but the first thing it did after I built it and booted it up was start trying to connect itself to the real-world bitcoin network- not what I want!
What I'd like to do is define my own network, that I can just run on some machines that are under my own personal control- pass around coins- all the typical stuff- check out the wallet- really basic
but I'm at a loss for how to do that. 
I've been told that I need to modify chainparams.cpp, is it so? If yes, then what do I need to do to it? 
Is that the only thing I need to change? if there are other things what are they? 

user46246: Regtest should really suffice for your basic testing. If you really want to modify chainparams, you would first start with the DNS seed data in the file; these are hard coded.

30732: <p>I'd like to make a fork of Bitcoin, since it's the new trend ;)</p>

<p>The first thing I did was to create a docker image of ubuntu with all the dependencies, then I wanted to run the core software- but the first thing it did after I built it and booted it up was start trying to connect itself to the real-world bitcoin network- <em>not what I want!</em></p>

<p>What I'd like to do is define my own network, that I can just run on some machines that are under my own personal control- pass around coins- all the typical stuff- check out the wallet- <strong>really basic</strong></p>

<p>but I'm at a loss for how to do that. </p>

<p>I've been <a href="https://bitcoin.stackexchange.com/questions/52832/interacting-with-bitcoin-over-docker">told</a> that I need to modify <code>chainparams.cpp</code>, is it so? If yes, then what do I need to do to it? </p>

<p>Is that the only thing I need to change? if there are other things what are they? </p>
 46246: <p>Regtest should really suffice for your basic testing. If you really want to modify chainparams, you would first start with the DNS seed data in the file; these are hard coded.</p>
