💡 Light Node Installation

Chain ID: mocha-4 | Latest Version Tag: v0.22.1-mocha

Recommended Hardware:

Node Type	CPU	RAM	Storage
Testnet	2	2GB	100GB

Install dependencies

# Update the repositories
sudo apt update && apt upgrade -y

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

# Install Go
sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.23.1.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

# Download binary files
cd $HOME
rm -rf celestia-node
git clone https://github.com/celestiaorg/celestia-node.git
cd celestia-node/
git checkout tags/v0.22.1-mocha
# Build binaries
make build

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

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

Create wallet:

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:

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:

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

Create Service file:

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:

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