Update Nethermind client

One-page interactive complete guide to update Nethermind client.

Disclaimer

This guide is for informational purposes only. The author nor website owner does not guarantee accuracy of the information in this guide and is not responsible for any damages or losses incurred by following the guide.

Nethermind client can be used for staking on various supported chains. Client installation is always only one, used by services with an individual configuration (different service name, data path and ports in use).

Interactive variables

System:
User:
SSH port:
CPU type:

Execution layer

Client:
Service:
- Data:
- Port:
- P2P:
- RPC:

Consensus layer

Client:
NodeJs version:
jdk ver version:
Beacon service:
- Data:
- Port:
- P2P:
- Quic:

Updating Nethermind client

Nethermind documentation: https://docs.nethermind.io/

Check current version of Nethermind running on the server

$ /usr/local/bin/nethermind/./nethermind-cli
$ node.switch("127.0.0.1:8545")
$ web3.clientVersion

Find the latest stable version of Nethermind on Github
- Find latest Nethermind version at https://github.com/NethermindEth/nethermind/releases
- Write latest stable Nethermind version in format such as 1.29.1-dfea5240:

Download Nethermind version `1.29.1-dfea5240` to your node

cd ~/downloads && curl -LO https://github.com/NethermindEth/nethermind/releases/download/1.29.1/nethermind-1.29.1-dfea5240-linux-x64.zip

Unzip the downloaded file

unzip nethermind-1.29.1-dfea5240-linux-x64 -d nethermind

Stop running clients

$ journalctl -fu nethermind
$ sudo systemctl stop nethermind && systemctl status nethermind

Remove the old client
```
sudo rm -r /usr/local/bin/nethermind
```

Copy the client to `/usr/local/bin/`

sudo cp -a nethermind /usr/local/bin/nethermind

Start the client again

$ sudo systemctl start nethermind && systemctl status nethermind
$ journalctl -fu nethermind

Remove downloaded files

cd ~/downloads && rm nethermind-1.29.1-dfea5240-linux-x64.zip && rm -r nethermind