> For the complete documentation index, see [llms.txt](https://services.dongqn.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://services.dongqn.com/0g-da-node.md).

# 0G DA Node

## **System updates, installation of required dependencies**

```
sudo apt-get update
sudo apt install make clang pkg-config libssl-dev
sudo apt-get install libssl-dev
apt-get install protobuf-compiler
sudo apt install build-essential curl
```

**Install rust**

```
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
source $HOME/.cargo/env
```

Installation

```
cd $HOME
git clone https://github.com/0glabs/0g-da-node.git
cd $HOME/0g-da-node
cargo build --release
./dev_support/download_params.sh
```

**Setup your variable settings**

```
sudo cp $HOME/0g-da-node/config_example.toml $HOME/0g-da-node/config.toml
```

On the first run of DA node, it will register the signer information in DA contract. To generate a BLS private key if don't have:

```
cargo run --bin key-gen
```

## **Create** zgda **service  for your node to run in the background**

```
sudo tee /etc/systemd/system/zgda.service > /dev/null <<EOF
[Unit]
Description=DA Node
After=network.target

[Service]
User=$USER
WorkingDirectory=$HOME/0g-da-node
ExecStart=$HOME/0g-da-node/target/release/server --config $HOME/0g-da-node/config.toml
Restart=on-failure
RestartSec=10
LimitNOFILE=65535

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

**Start DA node**

```
sudo systemctl daemon-reload && \
sudo systemctl enable zgda && \
sudo systemctl restart zgda
```

#### Check log

```
sudo journalctl -u zgda -f -o cat
```