Fresh Lighthouse install

installLighthouse.sh

# modified from https://gist.github.com/quickchase/0a1145ba42ffa414fd06f27234a50eac
# use at your own risk since I am not very experienced at this

# ASSUMING YOU ARE ROOT

# Install needed stuff
apt update && apt install -y wget ufw bash-completion htop net-tools

# Turn on a firewall, open the peering port
ufw allow ssh
ufw allow 9000
echo "y" | ufw enable

# Create a user (e.g. eth)
USERNAME=eth
adduser --system --group ${USERNAME}

# Make lighthouse folder
sudo -u ${USERNAME} mkdir /home/${USERNAME}/lighthouse
cd /home/${USERNAME}/lighthouse

# Download lighthouse
RELEASE=v4.5.0
DOWNLOADURL="https://github.com/sigp/lighthouse/releases/download/${RELEASE}/lighthouse-${RELEASE}-x86_64-unknown-linux-gnu.tar.gz"
sudo -u eth wget -q --show-progress -O ./lighthouse.tar.gz ${DOWNLOADURL}

# Extract and move lighthouse
sudo -u eth tar -xzf lighthouse.tar.gz
mv lighthouse /usr/local/bin/

cat << EOF > /etc/systemd/system/lighthouse.service
[Unit]
Description=Lighthouse Node
Documentation=https://lighthouse-book.sigmaprime.io/
After=network.target
[Service]
User=${USERNAME}
Group=${USERNAME}
WorkingDirectory=/home/${USERNAME}/lighthouse
Restart=on-failure
LimitNOFILE=1000000
ExecStart=/usr/local/bin/lighthouse beacon_node \\
    --network="mainnet" \\
    --datadir="/home/${USERNAME}/lighthouse/data" \\
    --execution-endpoint="http://localhost:8551" \\
    --execution-jwt="/home/${USERNAME}/jwtsecret" \\
    --http \\
    --http-address="0.0.0.0" \\
    --http-allow-origin="*" \\
    --metrics \\
    --metrics-address="0.0.0.0" \\
    --metrics-allow-origin="*"
[Install]
WantedBy=default.target
EOF

systemctl enable lighthouse.service
systemctl start lighthouse.service