1. Make the script executable: chmod +x setup-sepolia-node.sh

2. Run the script: ./setup-sepolia-node.sh

3. Go to the node folder: cd sepolia-node

4. Create the geth service file: nano geth-sepolia.service [Paste code] Save with: Ctrl+X → Y → Enter

5. Create the lighthouse service file: nano lighthouse-sepolia.service [Paste code] Save with: Ctrl+X → Y → Enter

6. Create JWT secret: cd data openssl rand -hex 32 > /root/sepolia-node/data/jwtsecret cd ..

7. Enable systemd services: sudo systemctl daemon-reexec sudo systemctl daemon-reload sudo systemctl enable geth-sepolia.service sudo systemctl enable lighthouse-sepolia.service

8. Start geth first: sudo systemctl start geth-sepolia.service

9. Start lighthouse next: sudo systemctl start lighthouse-sepolia.service

10. Check geth logs: sudo journalctl -u geth-sepolia.service -f

11. Check lighthouse logs: sudo journalctl -u lighthouse-sepolia.service -f

12. Test if Geth RPC is working: curl -X POST -H "Content-Type: application/json"
    --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'
    http://localhost:8545

13. Allow Rpc Port: sudo ufw allow 8545/tcp, sudo ufw allow 8551/tcp, sudo ufw allow 5052/tcp

14. Then enable (if not already): sudo ufw enable

15. Check status: sudo ufw status

16. Test if Beacon chain is syncing: curl http://localhost:5052/eth/v1/node/syncing