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Ethereum: Is it possible to create bitcoind regtest network on Ubuntu (which itself is on Virtualbox)?

Published by Terlumun Aondover on February 7th, 2025.

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Setting up a Bitcoind RegTest Network on Ubuntu using VirtualBox

When starting your Bitcoin development journey, setting up a testnet environment is crucial to ensuring the stability and security of your applications. One such test environment is the Bitcoind regtest network, which allows developers to test new features and algorithms without disrupting the main network. In this article, we will walk you through the process of setting up a Bitcoind regtest network on Ubuntu using VirtualBox.

Prerequisites

Before we begin, make sure your system meets the following requirements:

Ubuntu 18.04 or later (64-bit)

VirtualBox 7.3.21 or later

Compatible GPU with CUDA support (for faster testing)

1. Step 2: Install Dependencies and Configure VirtualBox

First, update the package list and install the required dependencies:

sudo apt-get update sudo apt-get install -y virtualbox-7.3.21-vcenter-server libx11-dev libgl1-mesa-glx libegl1-mesa librtmp-dev

Then create a new VirtualBox folder (e.g. “bitcoin-regtest”) and add the following configuration files:

/etc/VBox/vBoxManage.json

{ "createVirtualBox": { "name": "/home/user/bitcoin-regtest", "type": "iso", "file": "/path/to/bitcoind-1.3.1-ubuntu1_64_amd64.run", "diskSize": 1000, "cpuCount": 2 } }

/home/user/.vbox/vBoxConfig.xml

Step 2: Start the logging environment

Create a new directory for your testnet and navigate to it:

mkdir /home/user/bitcoin-regtest cd /home/user/bitcoin-regtest

Run the “regtest” command to start the network:

./bitcoind -renewal -servera regtests


3. Step 4: Configure Bitcoind
To use the regtest network, you will need to configure Bitcoind. You can do this by running the following commands:
sudo nano /etc/bitcoind.conf

Add the following lines to the “BITCOIN_REGTEST_DEFAULTS” section:


[Bitcoin-RegTest]
default=regtest


Step 4: Join the Registration Network
To join the regtest network, you will need to obtain a new Bitcoin address. Run this command to generate one:
./bitcoind -server regtest --newaddress

This will create a new Bitcoin wallet with the address you provided.

Troubleshooting

If you encounter any issues during setup or when joining the regtest network, please refer to the official Bitcoind documentation for more information. Here are some common issues and solutions.

bitcoind: error 10004 — Server Error (Socket error): Check that your VirtualBox configuration is correct and make sure that the regtest command is running in a separate process.

Error: Unable to test connection: Check that you have sufficient permissions to join the regtest network.

Conclusion

Ethereum: Is it possible to create bitcoind regtest network on Ubuntu (which itself is on Virtualbox)?

The Bitcoind regtest network has been successfully demonstrated on Ubuntu with VirtualBox. This setup allows developers to test new features and algorithms without disrupting the main network. With these steps, you can now set up your regtest environment for Bitcoin development. Remember to update your system regularly and maintain proper configuration settings for optimal performance. Happy coding!

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