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

# 💡  Light Node Installation

Recommended Hardware:

<table><thead><tr><th>Node Type</th><th width="184">CPU</th><th>RAM</th><th>Storage</th></tr></thead><tbody><tr><td>Testnet</td><td>2</td><td>2GB</td><td>100GB </td></tr></tbody></table>

&#x20;***Install dependencies***

<pre class="language-bash"><code class="lang-bash"># Update the repositories
<strong>sudo apt update &#x26;&#x26; apt upgrade -y
</strong></code></pre>

```bash
# Install developer packages
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y
```

```bash
# Install Go
sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.24.2.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local
eval $(echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee /etc/profile.d/golang.sh)
eval $(echo 'export PATH=$PATH:$HOME/go/bin' | tee -a $HOME/.profile)
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile
go version
```

## ***Manual Installation***

```bash
# Download binary files
cd $HOME
rm -rf celestia-node
git clone https://github.com/celestiaorg/celestia-node.git
cd celestia-node/
git checkout tags/v0.28.4-mocha
# Build binaries
make build

mv build/celestia /usr/local/bin/celestia
```

```bash
# Initiaton
celestia light init --core.ip <RPC_NODE_IP> --p2p.network mocha
```

**Create wallet:**

```bash
KEY_NAME="my_celes_key"
cd ~/celestia-node
./cel-key add $KEY_NAME --keyring-backend test --node.type light --p2p.network mocha
```

**(Optional) Restore an existing cel\_key:**

```bash
KEY_NAME="my_celes_key"
cd ~/celestia-node
./cel-key add $KEY_NAME --keyring-backend test --node.type light --p2p.network mocha --recover
```

**You can find the address by running the following command in the celestia-node directory:**

```bash
cd $HOME/celestia-node
./cel-key list --node.type light --keyring-backend test --p2p.network mocha
```

**Create Service file:**

```bash
sudo tee /etc/systemd/system/celestia-light.service > /dev/null <<EOF
[Unit]
Description=celestia light
After=network-online.target

[Service]
User=$USER
ExecStart=$(which celestia) light start \
--p2p.network mocha \
--metrics.tls=true --metrics --metrics.endpoint otel.mocha.celestia.observer
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

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

**Enable and start service:**

```bash
sudo systemctl daemon-reload
sudo systemctl enable celestia-light
sudo systemctl restart celestia-light && sudo journalctl -u celestia-light -fo cat
```