💻Baremetal

Authors: [man4ela | catapulta.eth]

System Requirements

CPU	OS	RAM	DISK
A fast CPU with 4+ cores	Ubuntu 22.04	16GB+ RAM	1TB+

The Linea archive node was 1.2 TB on April 02.2024

🔲 Linea

• Official Docs

Pre-Requisites

sudo apt update -y && sudo apt upgrade -y && sudo apt autoremove -y

sudo apt install -y build-essential bsdmainutils aria2 dtrx screen clang cmake curl httpie jq nano wget

Setting up Firewall

Set explicit default UFW rules

sudo ufw default deny incoming
sudo ufw default allow outgoing

Allow SSH

sudo ufw allow 22/tcp

Allow remote RPC connections with Linea Node

sudo ufw allow from ${REMOTE.HOST.IP} to any port 8545

Not advised to allow all or unknown IP address to RPC port

Enable Firewall

sudo ufw enable

#Download the Go programming language distribution archive

wget https://golang.org/dl/go1.21.6.linux-amd64.tar.gz

#Extract it to the /usr/local directory and install Go v1.21.6 on the system

sudo tar -C /usr/local -xzf go1.21.6.linux-amd64.tar.gz

#add the Go executable path to your system's PATH environment variable, 

echo 'export PATH=/usr/local/go/bin:$PATH' >> ~/.bashrc

source ~/.bashrc

#test to ensure that Go is working correctly

go version

Setup the Geth client to run Linea

git clone https://github.com/ethereum/go-ethereum.git

cd go-ethereum

#Reportedly most stable version to run Linea node 1.13.4-stable-3f907d6a

git checkout 3f907d6a

make geth

cd

#Create directory for database

mkdir linea-datadir

cd linea-datadir

#Download Genesis file

wget https://docs.linea.build/files/genesis.json

#Bootstrap the node:

cd /root/go-ethereum

./build/bin/geth --datadir /root/linea-datadir/ init /root/linea-datadir/genesis.json

Create service to run Linea Node

sudo echo "[Unit]
Description=Linea Node
After=network.target
StartLimitIntervalSec=60
StartLimitBurst=3

[Service]
Type=simple
Restart=on-failure
RestartSec=5
TimeoutSec=900
User=root
Nice=0
LimitNOFILE=200000
WorkingDirectory=/root/go-ethereum
ExecStart=/root/go-ethereum/build/bin/geth \
--datadir /root/linea-datadir \
--networkid 59144 \
--rpc.allow-unprotected-txs \
--txpool.accountqueue 50000 \
--txpool.globalqueue 50000 \
--txpool.globalslots 50000 \
--txpool.pricelimit 1000000 \
--txpool.pricebump 1 \
--txpool.nolocals \
--http --http.addr '0.0.0.0' --http.port 8545 --http.corsdomain '*' --http.api 'web3,eth,txpool,net' --http.vhosts='*' \
--ws --ws.addr '0.0.0.0' --ws.port 8545 --ws.origins '*' --ws.api 'web3,eth,txpool,net' \
--bootnodes "enode://ca2f06aa93728e2883ff02b0c2076329e475fe667a48035b4f77711ea41a73cf6cb2ff232804c49538ad77794185d83295b57ddd2be79eefc50a9dd5c48bbb2e@3.23.106.165:30303,enode://eef91d714494a1ceb6e06e5ce96fe5d7d25d3701b2d2e68c042b33d5fa0e4bf134116e06947b3f40b0f22db08f104504dd2e5c790d8bcbb6bfb1b7f4f85313ec@3.133.179.213:30303,enode://cfd472842582c422c7c98b0f2d04c6bf21d1afb2c767f72b032f7ea89c03a7abdaf4855b7cb2dc9ae7509836064ba8d817572cf7421ba106ac87857836fa1d1b@3.145.12.13:30303" \
--syncmode full \
--metrics \
--metrics.addr '0.0.0.0' \
--verbosity 3 \
--gcmode archive
KillSignal=SIGHUP

[Install]
WantedBy=multi-user.target" >> /etc/systemd/system/linea-node.service

To check or modify linea-node.service parameters simply run

sudo nano /etc/systemd/system/linea-node.service

Ctrl+X and Y to save changes

Run Linea

sudo systemctl daemon-reload
sudo systemctl start linea-node
sudo systemctl enable linea-node

Monitor logs

sudo journalctl -fu linea-node

References

Run A Linea Node