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Validator Onboarding Guide: Easy Mode

Easy Mode

There are a lot of things to configure to set up an 0L validator. Easy Mode makes assumptions.

You can optionally do Hard Mode, and build from source, and write your own config files.

Things you will need:

  • A cloud virtual machine running Linux Ubuntu 20.4, with 16GB Ram, and 4 Cores.

Settings for the host:

  • You need to set a static IP address for that host.
  • You need to open ports 6179, 6180, 8080, 3030 on the host

1. Install binaries

Export the ~/bins directory to be in search path, and download the binaries with a script.

export PATH=$PATH:~/bin && echo export PATH=\$PATH:~/bin >> ~/.bashrc

curl -sL https://raw.githubusercontent.com/0LNetworkCommunity/libra/main/ol/util/install.sh | bash

2. Start a persistent terminal session

Recommended multiplexer is tmux.

> tmux 

# or `tmux a` to reattach to a previous session
> tmux a

3. Make keys

Make new keys, and address:

From within your tmux instance:

onboard keygen

STOP. WRITE THIS INFO DOWN ON PEN AND PAPER. NOW.

4. Create config files

Preferably use a template from a url (usually on another node on the network). Something like:

onboard val -u http://[their-ip-address]

NOTE: Don't forget http://

5. Wait

Your tower app will produce a proof which is needed to create an account. This will take 10-15 minutes.

6. Start 0L services

The start subcommand will run pilot app which continuously checks node and tower state and changes nodes.

# Restore from the latest epoch snapshot instead of syncing the entire chain
> ol restore

# start all 0L services and restore chain from archive

> ol start

# press <ctrl+b> then <d> to detach from tmux without stopping the app. Reattach with `tmux a`

Check the web monitor

Go to: http://[your-ip-address]:3030

Troubleshooting: If no page loads here, you may not have port 3030 open to the public.

7. Create account on chain

Have someone (with GAS) submit the account creation on chain.

txs create-validator -u http://[your-ip-address]

More details here: (create_account_on_chain.md)