1. Introduction
2. Prerequisites
3. Installation Steps
4. Bitcoin Node Configuration
5. Using PM2 to Manage Processes
6. Additional Resources
7. Support and Contributions

This guide explains how to set up a Bitcoin Full Node using minimal disk space (pruned node) and manage it with the PM2 Process Manager. It is part of the UniversalBit ecosystem and includes steps for setting up the node, configuring it, and running it efficiently.

Before proceeding, ensure you have the following:

• A Linux-based operating system.
• Basic knowledge of command-line tools.
• Installed software:
  • Node.js (Version 24 recommended, install using nvm):

    # Install nvm if not already installed
    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
    # Load nvm (restart shell or run the following)
    export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
    [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
    # Install Node.js 24
    nvm install 24
    nvm use 24
    nvm alias default 24

cd /home/$USER
git clone https://github.com/universalbit-dev/universalbit-dev.git

[Download and install the Bitcoin Full Node]

curl https://bitnodes.io/install-full-node.sh | sh

Copy the Bitcoin configuration file:

Note: Summary of bitcoin.conf Configuration This bitcoin.conf file configures a lightweight Bitcoin node for testnet operation with limited resource usage:

• prune=550: Enables blockchain pruning, keeping disk usage low by only storing recent blocks (here, up to ~550 MB).
• maxconnections=8: Limits the maximum number of peer connections to 8, reducing network resource requirements.
• listen=0: Disables listening for incoming connections, making this a non-public, outbound-only node.
• maxuploadtarget=144: Restricts data uploaded to peers each day to 144 MB (helpful for bandwidth limitation).
• checkblocks=1/checklevel=0: Minimal blockchain verification for faster, lightweight startup and operation.
• txindex=0: Disables full transaction indexing, reducing storage and indexing needs.
• testnet=1: Runs the node on the Bitcoin testnet, not on the main Bitcoin blockchain—useful for development and testing purposes.

This setup is ideal for a resource-constrained environment, development, or testing without maintaining a full blockchain or publicly accessible node.

    cp bitcoin.conf /home/$USER/.bitcoin/

Copy the bitcoind binary to the project directory:

    cp /home/$USER/bitcoin-core/bin/bitcoind /home/$USER/universalbit-dev/blockchain/bitcoin/

Bitcoin-Core || Litecoin-Core

Navigate to the project directory and install the required Node.js dependencies:

cd /home/$USER/universalbit-dev/blockchain/bitcoin
npm i && npm audit fix && npm i pm2 -g

Start the Bitcoin Node using the PM2 process manager:

pm2 start btc_pruned.js

Generate startup scripts using the PM2 Startup Script Generator to ensure the process list is preserved across machine restarts.

• AMDGPU Mining on Ubuntu Server

Here are some helpful links and resources to enhance your setup and understanding of Bitcoin mining:

• CPU Mining
• ESP32 Mining
• AMD Driver Release Notes
• Bypass PCIe 3.0 Atomics Limitation
• How Bitcoin Mining Really Works
• Gekko-M4-Globular-Cluster
• Web3 Development
• MultiArchitecture Guide
• Programming Blockchain

• Support the UniversalBit Project: Support Page
• For questions or contributions, feel free to open an issue or submit a pull request.