⚙️ Installation on Almalinux

Update System and Install Dependencies

sudo dnf update -y
sudo dnf upgrade -y
sudo dnf install -y \
  curl git make clang cmake gcc gcc-c++ \
  pkg-config openssl-devel systemd-devel \
  wget tar lz4 which

Install GO

GO_VERSION=1.24.2
curl -Ls https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local

echo 'export PATH=/usr/local/go/bin:$HOME/go/bin:$PATH' | sudo tee /etc/profile.d/golang.sh > /dev/null
echo 'export PATH=/usr/local/go/bin:$HOME/go/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

go version

Install Rust

curl https://sh.rustup.rs -sSf | sh -s -- -y
source $HOME/.cargo/env

rustup update
rustup component add rust-src
rustup target add wasm32-unknown-unknown

rustup install nightly-2024-01-21
rustup target add wasm32-unknown-unknown --toolchain nightly-2024-01-21

Install Protobuf

cd ~
git clone --recurse-submodules -b v25.3 https://github.com/protocolbuffers/protobuf.git protobuf-25.3
cd protobuf-25.3
mkdir build && cd build

cmake .. -Dprotobuf_BUILD_TESTS=OFF
make -j$(nproc)
sudo make install
sudo ldconfig

protoc --version

Clone and Build Polkadot SDK

cd ~
git clone https://github.com/paritytech/polkadot-sdk.git
cd polkadot-sdk
git checkout polkadot-stable2509-2
cargo build --release

Install binaries into the system directory

sudo mkdir -p /usr/lib/polkadot
sudo cp target/release/polkadot* /usr/lib/polkadot/
sudo ln -sf /usr/lib/polkadot/polkadot /usr/local/bin/polkadot

Create working directory

mkdir -p $HOME/.polkadot
chown -R $(id -u):$(id -g) $HOME/.polkadot
setenforce 0

Configure and Create a Systemd Service

current_user=$(whoami)
STARTNAME="Your_Node_Name"

sudo tee /etc/systemd/system/polkadot.service > /dev/null <<EOF
[Unit]
Description=Polkadot Validator Node
After=network.target

[Service]
Type=simple
User=$current_user
WorkingDirectory=$HOME/.polkadot
ExecStart=/usr/local/bin/polkadot \
  --validator \
  --name "$STARTNAME" \
  --chain=polkadot \
  --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-external \
  --prometheus-port=9615 \
  --unsafe-force-node-key-generation \
  --telemetry-url "wss://telemetry-backend.w3f.community/submit/ 1" \
  --telemetry-url "wss://telemetry.polkadot.io/submit/ 0"
Restart=always
RestartSec=10
StandardOutput=journal
StandardError=journal

[Install]
WantedBy=multi-user.target
EOF

Start and Enable the Service

sudo systemctl daemon-reload
sudo systemctl enable polkadot.service
sudo systemctl restart polkadot.service
sudo journalctl -u polkadot.service -f