# ✅ Fuel Node

## Fuel Node Setup Guide

### **Recommended Hardware Requirements** <a href="#recommended-hardware-requirements" id="recommended-hardware-requirements"></a>

```
- Memory: 12 GB
- CPU: 8 cores
- Disk: 100 GB NVME SSD
```

### **Preparation** <a href="#preparation" id="preparation"></a>

Update packages

```bash
sudo apt-get update && sudo apt-get upgrade –y
```

Install essential packages

```bash
sudo apt install git wget curl lz4 build-essential -y
```

Install Rustup

```bash
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
```

Configure your current shell

```bash
. "$HOME/.cargo/env"
```

Check rustc version

```bash
rustup --version
```

\*\*\*Result\*\*\*

```bash
rustup 1.27.1 (54dd3d00f 2024-04-24)
info: This is the version for the rustup toolchain manager, not the rustc compiler.
info: The currently active `rustc` version is `rustc 1.79.0 (129f3b996 2024-06-10)`
```

### Installation <a href="#installation" id="installation"></a>

**Install fuelup**

```bash
curl https://install.fuel.network | sh
```

add fuelup to path

```bash
export PATH="${HOME}/.fuelup/bin:${PATH}"
```

Check fuelup version

```bash
fuelup --version
```

\*\*\*Result\*\*\*

```
fuelup 0.25.1
```

Generate P2P key and save your secret key somewhere safe

```bash
fuel-core-keygen new --key-type peering
```

\*\*\*Result\*\*\*

```bash
{"peer_id":"16Uiu2HAmU3UZczJCRqdWcgyDL2r3qEqDa9psDXwg1gDCP6kCy9na",
"secret":"098b29f38f0b8a2fd67d441128675e058d7710a90698588101547a86fe3eeb85",
"type":"peering"}
```

Create a data directory and clone chain-configuration file

```bash
mkdir .fueld
git clone https://github.com/FuelLabs/chain-configuration chain-configuration && cp -r $HOME/chain-configuration/ignition/* $HOME/.fueld/
```

**Create systemd service for fuel (edit your own node's name, secret key and sepolia rpc)**

```bash
sudo tee /etc/systemd/system/fueld.service > /dev/null << EOF
[Unit]
Description=Fuel Node Beta-5
After=network.target

[Service]
User=$USER
Type=simple
ExecStart=$(which fuel-core run) \
--service-name={your node's name} \
--keypair {P2P-secret-key} \
--relayer {sepolia-rpc} \
--ip=0.0.0.0 --port=4000 --peering-port=30333 \
--db-path $HOME/.fueld \
--snapshot $HOME/.fueld \
--utxo-validation --poa-instant false --enable-p2p \
--reserved-nodes /dns4/p2p-testnet.fuel.network/tcp/30333/p2p/16Uiu2HAmDxoChB7AheKNvCVpD4PHJwuDGn8rifMBEHmEynGHvHrf \
--sync-header-batch-size 100 \
--enable-relayer \
--relayer-v2-listening-contracts=0x01855B78C1f8868DE70e84507ec735983bf262dA \
--relayer-da-deploy-height=5827607 \
--relayer-log-page-size=500 \
--sync-block-stream-buffer-size 30

Restart=on-failure
RestartSec=5s
StartLimitBurst=3
StartLimitIntervalSec=10s
TimeoutStartSec=60s
TimeoutStopSec=60s
LimitNOFILE=65535
WatchdogSec=3600s
ExecStartPre=/bin/sleep 10

[Install]
WantedBy=multi-user.target 
EOF
```

Reload, Enable and Start the fueld service

```bash
sudo systemctl daemon-reload && \
sudo systemctl enable fueld && \
sudo systemctl start fueld && \
sudo journalctl -u fueld -f -o cat
```

to check the logs again

```bash
sudo journalctl -u fueld -f -o cat
```

to restart the node

```bash
sudo systemctl restart fueld && sudo journalctl -u fueld -f -o cat
```

### Download Snapshot <a href="#download-snapshot" id="download-snapshot"></a>

Updated at Block #3862556

**Stop the fueld.service**

```bash
sudo systemctl stop fueld
```

**Download latest snapshot**

Install aria2 download utility

```bash
sudo apt install aria2
```

Download the snapshot

```bash
aria2c -x 16 -s 16 -k 1M -d /tmp -o snapshot.tar.lz4 http://109.199.108.37/fuel-sepolia-snapshot.tar.lz4 && \
lz4 -dc /tmp/snapshot.tar.lz4 | tar -xf - -C $HOME/.fueld && \
rm -rf $HOME/.fueld/on_chain && \
mv -f $HOME/.fueld/.fuel-sepolia-testnet/on_chain $HOME/.fueld/
```

**Restart the service and check the log**

```bash
sudo systemctl restart fueld && sudo journalctl -u fueld -f -o cat
```