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ETH Home Staking Collection
DVT Home Staking Curriculum
DVT Home Staking Curriculum
  • The DVT Home Staking Curriculum
  • Curriculum breakdown & timeline
  • Understanding ETH validators
    • Introduction to ETH Validators
    • Roles & Responsibilities of a node operator
    • Rewards and penalties
    • Importance of client diversity
    • Distributed Validator Technologies (DVTs)
    • Economics of using DVTs (WIP)
      • Diva Staking (WIP)
      • Obol (WIP)
      • SSV (WIP)
    • Bonded Validators
    • Economics of bonded validators (WIP)
  • Hardware & systems setup
    • Setup Overview
    • Hardware & system requirements
    • Procuring your hardware
    • Assemble your hardware
    • Practicing for free on Cloud VMs
      • Google Cloud
      • Alibaba Cloud
  • Linux OS, Networking, & Security
    • Install and prepare the OS
    • Networking & network security
    • Device level security setup
    • Verifying checksums
  • Installing & configuring your EL+CL clients
    • Set up and configure execution layer client
      • Nethermind
      • Besu
      • Geth
      • Erigon
      • Reth
    • Set up and configure consensus layer client
      • Teku BN
      • Nimbus BN
      • Lodestar BN
      • Lighthouse BN
      • Prysm BN
  • Keystore generation & MEV-Boost
    • Validator key generation
    • Set up and configure MEV-boost
  • Native Solo Staking Setup
    • Validator client setup
      • Teku VC
      • Nimbus VC
      • Lodestar VC
      • Lighthouse VC
      • Prysm VC
    • Depositing 32 ETH into your validator
    • Exiting your validator
  • Monitoring, Maintenance, and Updates
    • Set up monitoring suite
      • Installing & configuring Prometheus
      • Installing & configuring Node Exporter
      • Installing & configuring Grafana
      • Beaconcha.in App API
      • Client Uptime Check
    • Maintenance & Updates
      • Nethermind
      • Besu
      • Teku
      • Nimbus
      • Lodestar
      • Updating the monitoring suite
      • Preparing for Pectra
  • DVT Setup
    • Diva Staking
      • Diva Staking client setup
        • Default - All-in-one setup
        • Advanced - with standalone Lodestar VC
      • Registering your Diva node
      • Updating your Diva client
      • Monitoring your Diva Node
    • Obol
      • Techne Bronze Speedrun (Launchpad)
      • Obol + Bonded Validators (Techne Silver)
        • Obol + Lido CSM
    • SSV
      • SSV + Lido CSM (WIP)
      • SSV Operator
      • SSV Staker
  • Bonded Validators Setup
    • Lido CSM
      • Generating CSM keystores
      • Set Fee Recipient Address
        • Method 1: Configure on validator keys
        • Method 2: Configure on separate validator client
        • Verifying Fee Recipient Registered on MEV Relays
      • Upload/Remove/View validator keys
      • Rewards & bonds
      • Exiting CSM validators
        • "Lazy" exits (TESTNET ONLY)
        • Proper Exits
      • Role/Address management
      • Monitoring
      • Automations
        • CSM with ETHPillar
        • CSM with ETH Docker
        • CSM with Dappnode
    • Puffer
      • Non-Enclave: 2 ETH
    • Ether.fi
      • Receive distributed validator keyshares
    • Stader (WIP)
    • Rocketpool (WIP)
  • Liquid Staking Vaults
    • Stakewise V3
  • Mainnet
    • Mainnet Deployment
    • Heroglpyhs (WIP)
  • Best practices
    • Slashing prevention
    • Maximising uptime and performance
    • Optimising security
    • Managing your withdrawal wallet
  • Tips
    • Advanced networking
    • Downloading files from your node
  • Useful resources
    • General resources
    • Holesky Faucets
  • Automation/tools
    • ETHPillar
    • ETH Docker
    • Automated power on/off
      • Wake-on-LAN (WoL)
      • Network UPS Tools (NUT)
    • Validator Healthcheck Alerts
  • Solo Stakers Guild
    • Lido CSM+SSV+Obol (Testnet)
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On this page
  • Generate the JWT file
  • Install dependencies - JRE & Jemalloc
  • Download Besu and configure the service
  • Start Besu
  • Resources:
  1. Installing & configuring your EL+CL clients
  2. Set up and configure execution layer client

Besu

PreviousNethermindNextGeth

Last updated 6 months ago

Generate the JWT file

We first need to create a JSON Web Token (JWT) that will allow the execution layer software (Besu) and the consensus layer software to talk to each other.

Run the following commands one line at a time to create a folder on the server to store the JWT file and generate the JWT file:

sudo mkdir -p /var/lib/jwtsecret
openssl rand -hex 32 | sudo tee /var/lib/jwtsecret/jwt.hex > /dev/null

We will be pointing the configuration files of the execution and consensus clients to this JWT file later.

Install dependencies - JRE & Jemalloc

sudo apt-get update
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get -y install openjdk-21-jre libjemalloc-dev

Download Besu and configure the service

the latest version of Besu and run the checksum verification process to ensure that the downloaded file has not been tampered with.

cd
curl -LO https://github.com/hyperledger/besu/releases/download/24.10.0/besu-24.10.0.tar.gz
echo "0648e108614861b04537a4017d63bddf5bae88c738bccd5942f76c6d544dcac2 besu-24.10.0.tar.gz" | sha256sum --check

Each downloadable file comes with it's own checksum (see below). Replace the actual checksum and URL of the download link in the code block above.

Make sure to verify the correct checksum according to the downloaded version. Right click on the linked text and select "copy link address" to get the URL of the download link to curl.

Expected output: Verify output of the checksum verification

besu-24.10.0.tar.gz: OK

If checksum is verified, extract the files and move them into the (/usr/local/bin) directory for neatness and best practice. Then, clean up the duplicated copies.

tar xvf besu-24.10.0.tar.gz
sudo cp -a besu-24.10.0 /usr/local/bin/besu
sudo rm -r besu*EL 

Create an account (besu) without server access for Besu to run as a background service. This type of user account will not have root access so it restricts potential attackers to only the Besu service in the unlikely event that they manage to infiltrate via a compromised client update.

sudo useradd --no-create-home --shell /bin/false besu

Create a directory for Besu to store the blockchain data of the execution layer. Then set the owner of this directory to Besu so that this user can read and write to the directory.

sudo mkdir -p /var/lib/besu
sudo chown -R besu:besu /var/lib/besu

Create a systemd configuration file for the Besu service to run in the background.

sudo nano /etc/systemd/system/besu.service

Paste the configuration parameters below into the file:

[Unit]
Description=Besu Execution Client (Holesky)
Wants=network-online.target
After=network-online.target

[Service]
User=besu
Group=besu
Type=simple
Restart=always
RestartSec=5
Environment="JAVA_OPTS=-Xmx6g"
ExecStart=/usr/local/bin/besu/bin/besu \
  --network=holesky \
  --sync-mode=X_SNAP \
  --data-path=/var/lib/besu \
  --data-storage-format=BONSAI \
  --engine-jwt-secret=/var/lib/jwtsecret/jwt.hex \
  --Xplugin-rocksdb-high-spec-enabled \
  --p2p-port=30303 \
  --rpc-ws-enabled \
  --rpc-ws-host=<internal_IP_address> \
  --rpc-ws-port=8547 \
  --rpc-http-enabled=true \
  --metrics-enabled=true
  
[Install]
WantedBy=multi-user.target

Once you're done, save with Ctrl+O and Enter, then exit with Ctrl+X. Understand and review your configuration summary below, and amend if needed.

Besu configuration summary:

  1. --network: Run the on the Holesky testnet

  2. --sync-mode: Uses the recommended Snap Sync mode to speed up syncing time. Checkpoint Sync is still an early access feature.

  3. --data-path: The directory for Besu to store the blockchain data of the execution layer.

  4. --data-storage-format: Bonsai Tries is a data storage layout policy designed to reduce storage requirements and increase read performance.

  5. --engine-jwt-secret: The directory pointing to the JWT secret we generated earlier.

  6. --Xplugin-rocksdb-high-spec-enabled: Speeds up sync time and performance. Use only if you have 32GB of RAM or more.

  7. --p2p-port: Sets the port used for peer-to-peer communication. Defaults to 30303.

  8. --rpc-ws-enabled: Enables the JSON-RPC service on websocket. This is so that DVT clients can connect to your execution client

  9. --rpc-ws-host: Sets the IP address to connect to the JSON-RPC service that will be used by the DVT client. Use the internal IP address of your device here (check by running ip a) - e.g. 192.168.x.x. Defaults to 127.0.0.1 otherwise

  10. --rpc-ws-port: Sets the port to connect to the JSON-RPC service. You may choose any unused port number but remember to allow incoming connections into your chosen port in your firewall (ufw) rules. Defaults to 8546

  11. --rpc-http-enabled: Enables the JSON-RPC service over http. This allows you to query the execution client endpoint directly to test for sync status and overall health. Default IP address (host) = 127.0.0.1; Default port = 8545

  12. --metrics-enabled: Enable monitoring metrics on the besu service

Start Besu

Reload the systemd daemon to register the changes made, start Besu, and check its status to make sure its running.

sudo systemctl daemon-reload
sudo systemctl start besu.service
sudo systemctl status besu.service

Expected output: The output should say Besu is “active (running)”. Press CTRL-C to exit and Besu will continue to run. It should take just a few minutes for Besu to sync on Holesky.

Use the following command to check the logs of Besu’s syncing process. Watch out for any warnings or errors.

sudo apt install ccze -y
sudo journalctl -fu besu -o cat | ccze -A

Expected output:

Press CTRL-C to exit.

If the Besu service is running smoothly, we can now enable it to fire up automatically when rebooting the system.

sudo systemctl enable besu.service

Expected output:

Created symlink /etc/systemd/system/default.target.wants/besu.service → /etc/systemd/system/besu.service.

Resources:

For more details on interpreting the Besu journalctl logs, head .

Releases:

Documentation:

Discord: (Select the Besu channel)

Download
here
https://github.com/hyperledger/besu/releases
https://besu.hyperledger.org/public-networks
https://discord.gg/consensys