ETH Docker

VM/Hardware Setup

You will need to prepare your virtual machine (VM) or home staking hardware for all options below. Step-by-step guide below.

Google CloudAssemble your hardware

Solo Staking testnet workflow

Prepare your VM/Hardware

Create a new Google Cloud account to unlock $300 of free cloud credits.

Create a VM on the Google Cloud Console (or any other cloud provider) with the following machine specifications.

• CPU: 4 vCPU

• RAM: 16GB

• Boot Disk: Ubuntu 24.04 LTS, Balanced persistent disk, 350GB SSD,

• Identity & API access: No service account

• Firewall: Enable HTTP & HTTPS traffic

Estimated cost per month on Google Cloud = $149, or 2 months of free practice time with $300 of cloud credits

Download & configure ETH Docker

SSH into your VM/hardware: Click on the dropdown beside the "SSH" column and select "Open in browser window". Click on "Authorize" when prompted.

Go to the ETH Docker repository and to get and run the installation commands. Run the next 2 commands in sequence.

cd ~ && git clone https://github.com/eth-educators/eth-docker.git && cd eth-docker

sudo usermod -aG sudo $USER

Exit your virtual machine/hardware and re-login to add your host user into the sudo & docker user group.

exit

cd eth-docker
./ethd install

Enable ethd to be called from anywhere on your terminal.

source ~/.profile

Next, configure the ETH Docker service. Tip: You can now call ethd from anywhere in your VM.

ethd config

Follow along the prompts in the terminal UI (TUI) to:

1. Choose Hoodi Testnet >> Ethereum node - consensus, execution and validator client

2. Select the consensus + validator client and execution client and of your choice

3. Use the provided URL for Checkpoint Sync, select yes for MEV Boost, use default relay, yes for Grafana dashboards

4. Set Rewards Address to an ERC-20 wallet address that you control (e.g., Metamask, hardware wallet)

5. use default Graffiti, yes for generate validator keys

ETH Docker TUI Navigation

1. Arrow keys & Tab key: Cycle options

2. Space bar: Select option

3. Enter: Confirm option

4. CTRL+C: Exit individual screen monitoring view

Optional: Make EL and CL endpoints accessible on host

Edit the .env file in the eth-docker folder.

cd 
nano ~/eth-docker/.env

Append :el-shared.yml and :cl-shared.yml in the COMPOSE_FILE line.

Example:

Now, the REST/HTTP/WS endpoints of your execution and consensus client can be accessed via:

• Execution Client (HTTP): http://127.0.0.1:8545

• Execution Client (WS): http://127.0.0.1:8546

• Consensus Client: http://127.0.0.1:5052

Generate validator keys

ethd cmd run --rm deposit-cli-new --execution_address 0x4D496CcC28058B1D74B7a19541663E21154f9c84 --uid $(id -u)

Replace --execution_address with your actual ERC-20 wallet address (e.g., Metamask, hardware wallet) on mainnet. The pre-filled execution address here enables the ETHStaker community to fund the validator key on our behalf.

Follow the TUI prompts:

• Choose language

• Confirm withdrawal (execution layer) address

• Number of validator keys to generate

• Set password to encrypt validator keys - No "****" will be displayed so make sure to type your password carefully.

• Save the 24-word mnemonic securely

Your validator keys will be saved in the ~/eth-docker/.eth/validator_keys folder.

Start ETH Docker

ethd up

Import validator keys

Import the generated validator keys onto your validator client

ethd keys import

Whitelist your wallet address

This section only applies to the Hoodi testnet

1. Join the discord server here - https://discord.gg/ethstaker

2. Join the #cheap-hoodi-validator channel

3. Type “/cheap-hoodi-deposit <your ETH address> ” in the text box and press enter

4. Click on the link generated (ie. the Signer.is text shown below)

   
5. Connect your Metamask wallet and sign the message

6. Copy the URL and paste it in the Enter Signature box.

Upload deposit data

Copy the deposit data generated by the command below and paste it in a plain text file on your laptop (e.g., Notepad, Textedit), then it save as deposit_data_001.json.

cat ~/eth-docker/.eth/validator_keys/deposit*json

Example:

[{"pubkey": "b72e61268081e28b583d78876cc1687d72be4c3592de1f9d585c96b4c64b25b49174f04ae6e55eb1e59247cb575c0157", "withdrawal_credentials": "010000000000000000000000f0179dec45a37423ead4fad5fcb136197872ead9", "amount": 32000000000, "signature": "8bb6e8838d15ea0ea23ed5151436ea07b65a0530ccfa9f5154b1fa394827df5add81510cf3463b79a387b0dffbe43ae417ea53b844b43d6a249fbc153fa1deda9fc089f218a845e382aa7455d804650e0e03232d3dad36b180bbdacd908f286c", "deposit_message_root": "8dbda15641eb7be3573f7377d10634c93c2b1dceb9fb6e519ec54ae0286d04c7", "deposit_data_root": "43f215ce19df49591db322bd4966667afc2a226a0a9812e5d60e31c60223991c", "fork_version": "01017000", "network_name": "hoodi", "deposit_cli_version": "2.7.0"}]

Go to the Hoodi Ethereum Staking Launchpad and select "Become a Validator".

Scroll down and skip through until you see this page. Then, upload your deposit_data_001.json file here and sign the transaction on your wallet.

View logs

Monitor the logs of your validator node to make sure that it is syncing (or synced) with no errors while you wait for Lido to provision your validator deposit with 32 ETH.

View logs of each docker container.

ethd logs <container_name> -f --tail 20

Flags:

• -f: Follow along the logs in real time. CTRL+C to exit monitoring view

• --tail: Print the last N lines of the logs.

Choose one to replace the <container_name> above.

blackbox-exporter          consensus                  execution                  json-exporter              node-exporter              promtail
cadvisor                   ethereum-metrics-exporter  grafana                    loki                       prometheus                 validator

Useful commands

Within the ~/eth-docker folder, run ./ethd help to print all available command line options.

ethd help

Common options:

• Update all clients & ETH Docker stack: ethd update

• Stop ETH Docker: ethd down

• Restart ETH Docker: ethd restart

• Restart from scratch: ethd terminate

• Resync consensus client: ethd resync-consensus

• Resync execution client: ethd resync-execution

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