OriginTrail DKG V8 Node Installation Guide

Complete guide for installing OriginTrail DKG V8 node on Ubuntu 24.04 using custom installer

System Requirements

• 4GB RAM
• 2 CPUs
• 50GB HDD space
• Ubuntu 24.04
• Two wallets (operational and admin) with Base Sepolia ETH

Pre-Installation Setup

1. Update System

apt update && apt upgrade -y

2. Configure Firewall

sudo ufw allow 9999 && sudo ufw allow 8900 && sudo ufw allow 9000 && sudo ufw reload

3. Install Required Packages

apt install curl wget git -y

Installation Process

1. Download Custom Installer

wget https://raw.githubusercontent.com/natashyaroo/OriginTrail-DKG-V8-Ubuntu-24.04/main/v8_installer.sh

2. Make Installer Executable

chmod +x v8_installer.sh

3. Run Installer

./v8_installer.sh

Configuration Details

During installation, you'll need to provide:

1. Triple Store Selection

   • Choose Blazegraph (recommended)

2. Node Configuration

   {
     "network": {
       "hostname": "0.0.0.0",
       "port": 9000,
       "enableRestAPI": true
     },
     "blockchain": {
       "implementations": [
         {
           "network_id": "base-sepolia:11155111",
           "rpc_endpoint_url": "https://base-sepolia-rpc.publicnode.com",
           "hub_contract_address": "0x833F3B6fA34f931c01581FBeE771cd3d40D3c87D"
         }
       ]
     }
   }

3. Wallet Details

   • Operational Wallet private key
   • Admin Wallet address

Post-Installation

1. Check Node Status

systemctl status otnode

2. View Logs

journalctl -u otnode -f

3. Useful Commands

# Start node
systemctl start otnode

# Stop node
systemctl stop otnode

# Restart node
systemctl restart otnode

Important Resources

Network Details

• Network: Base Sepolia Testnet
• RPC Endpoint: https://base-sepolia-rpc.publicnode.com
• Hub Contract: 0x833F3B6fA34f931c01581FBeE771cd3d40D3c87D

Monitoring

• Testnet Leaderboard: https://dkg-v8-incentivised-testnet.origintrail.io/
• Documentation: https://docs.origintrail.io/dkg-v8-upcoming-version

Get Test Tokens

1. Join Discord: https://discord.com/invite/QctFuPCMew
2. Request Base Sepolia TRAC tokens from the faucet channel

Troubleshooting

Check Ports

# Verify ports are open
sudo netstat -tulpn | grep -E '8900|9000|9999'

# Check firewall status
sudo ufw status

Common Issues

1. If node fails to start:

   # Check logs for errors
   journalctl -u otnode -n 100

2. If triple store isn't responding:

   # Restart Blazegraph
   systemctl restart blazegraph

Data Directories

• Node configuration: ~/.origintrail_noderc
• Logs: /var/log/otnode/
• Blazegraph data: /var/lib/blazegraph/

Security Recommendations

1. Keep private keys secure and never share them
2. Regularly backup node configuration
3. Monitor system resources
4. Keep Ubuntu system updated
5. Consider setting up monitoring alerts

Updates

To update the node in the future:

1. Stop the node

   systemctl stop otnode

2. Run the installer again
3. Start the node

   systemctl start otnode

Additional Notes

• Ensure both wallets have sufficient Base Sepolia ETH
• Monitor node performance on the leaderboard
• Join the Discord community for support
• Regularly check for updates and announcements