ETH2 <-> Nethermind

Nethermind client as ETH1 endpoint
You should always consider being able to switch to Infura or another provider as a backup for safety (or run two nodes yourself)👈
 
For a more comprehensive step-by-step guide, you should look into one of these awesome guides -> https://someresat.medium.com/. Below you will find instructions on how to run Nethermind node -> Step 6 — Set up an Ethereum (Eth1) Node
Get & Run Nethermind
Download the Nethermind client
You can get it either from Github Releases or our Downloads page:
Downloading Releases
unzip the package
run the Nethermind node (use Nethermind.Launcher or change configs/mainnet.cfg and run Nethermind.Runner --config mainnet)
use the Linux screen utility to keep your node working in the background
screen -S nethermind
./Nethermind.Launcher
Enable JSON RPC service so that your ETH2 Beacon node will be able to communicate
Firewall Configuration
Configure EthStats for your node if needed:
You should see the node starting:
Tip: Ctrl + A + D to leave the screen
Running Nethermind as a systemd service
Manage Nethermind with systemd
Monitoring Nethermind Node Health
Follow this guide to setup Prometheus/Grafana based local setup and monitor your node's most important stats there
Setting up local Metrics infrastructure
The Block Number will be 0 for the unsynced node
To check if your node is synced you may execute eth_syncing call check its result
curl -X POST --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}' localhost:8545
If the result shows false it means that your node is synced 
{"jsonrpc":"2.0","result":false,"id":1}
Check the following guide to get even better node health monitoring:
Monitoring Node's Health

Eth2 Validator

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Nethermind client as ETH1 endpoint

Get & Run Nethermind

Running Nethermind as a systemd service

Monitoring Nethermind Node Health