💾 Installation

Configure network time protocol

sudo systemctl enable systemd-timesyncd
sudo systemctl unmask systemd-timesyncd
sudo apt install systemd-timesyncd
sudo systemctl enable systemd-timesyncd
sudo systemctl start systemd-timesyncd
timedatectl status

Install binaries

cd $HOME
wget https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-stable2509-2/polkadot
wget https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-stable2509-2/polkadot-execute-worker
wget https://github.com/paritytech/polkadot-sdk/releases/download/polkadot-stable2509-2/polkadot-prepare-worker
chmod +x polkadot polkadot-execute-worker polkadot-prepare-worker
sudo mv $HOME/polkadot /usr/bin/
sudo mv $HOME/polkadot-execute-worker /usr/bin/
sudo mv $HOME/polkadot-prepare-worker /usr/bin/
polkadot --version
polkadot-execute-worker --version
polkadot-prepare-worker --version

Check version

polkadot --version

Create working directory

mkdir -p $HOME/.polkadot
chown -R $(id -u):$(id -g) $HOME/.polkadot

Open p2p port

sudo ufw allow 30333 comment polkadot_p2p

Create nodekey

mkdir -p $HOME/.polkadot/chains/network
polkadot key generate-node-key --file $HOME/.polkadot/chains/network/network_key

Create service file

VALIDATOR="Your_Node_Name"

sudo tee /etc/systemd/system/polkadot.service > /dev/null <<EOF
[Unit]
Description=polkadot node

[Service]
User=$USER
WorkingDirectory=$HOME/.polkadot
ExecStart=$(which polkadot) --validator --name $VALIDATOR --keystore-path $HOME/.polkadot/chains/keystore --node-key-file $HOME/.polkadot/chains/network/network_key --database RocksDb --base-path $HOME/.polkadot --state-pruning 64 --blocks-pruning 64 --public-addr /ip4/$(wget -qO- eth0.me)/tcp/30333 --port 30333 --rpc-port 9933 --prometheus-port 9615 --in-peers 12 --out-peers 8 --telemetry-url "wss://telemetry-backend.w3f.community/submit/ 1" --telemetry-url "wss://telemetry.polkadot.io/submit/ 0"
Restart=always
RestartSec=120
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF

Enable and start service

sudo systemctl daemon-reload
sudo systemctl enable polkadot
sudo systemctl restart polkadot && sudo journalctl -u polkadot -f