Nimbus

Updating Nimbus

Download Nimbus

Download the latest version of Nimbus, extract the zipped file, and then run the checksum verification process to ensure that the "nimbus_beacon_node" and "nimbus_validator_client" files have not been tampered with during download.

cd
curl -LO https://github.com/status-im/nimbus-eth2/releases/download/v24.2.2/nimbus-eth2_Linux_amd64_24.2.2_fc9c72f0.tar.gz
tar xvf nimbus-eth2_Linux_amd64_24.2.2_fc9c72f0.tar.gz
cd nimbus-eth2_Linux_amd64_24.2.2_fc9c72f0/build
echo "ad062a475edbabb79882a85e1ba93d739d6614fdece382b65381211d07b9dc11487aedca15df0d540ba384866ed0ff0044989ce8d7c39054b2cad40d92022719 nimbus_beacon_node" | sha512sum --check
echo "1a5bfc3e5ba6e8b682572b8c7f74894b785191a4ba1ebf3d59203dc9dc1ec47b49c4d128aa433b0b44315ac574cbb7d924ab4241d60e2b9b141c61e504ab8dab  nimbus_validator_client" | sha512sum --check

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

Make sure to choose the amd64 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.

nimbus_beacon_node: OK
nimbus_validator_client: OK

If checksum is verified, extract the consensus client and validator client binaries into the (/usr/local/bin) directory (as a best practice). Then, clean up the duplicated copies.

cd ~/nimbus-eth2_Linux_amd64_24.2.2_fc9c72f0/build
sudo cp nimbus_beacon_node nimbus_validator_client /usr/local/bin
cd
rm -r nimbus-eth2_Linux_amd64_24.2.2_fc9c72f0 nimbus-eth2_Linux_amd64_24.2.2_fc9c72f0.tar.gz

Restart the Nimbus services

sudo systemctl start nimbusbeacon.service nimbusvalidator.service
sudo systemctl status nimbusbeacon.service nimbusvalidator.service

Monitor journal logs using

sudo journalctl -fu nimbusbeacon -o cat | ccze -A
sudo journalctl -fu nimbusvalidator -o cat | ccze -A

Pruning Nimbus

Consensus clients take up a small amount of disk space when compared to execution clients. However, you can still free up ~200GB by pruning it if your validator node has been running for a while.

To prune consensus clients, simply delete the existing database and restart the beacon service with checkpoint sync enabled.

sudo systemctl stop nimbusbeacon.service
sudo rm -r /var/lib/nimbus_beacon/*
sudo systemctl start nimbusbeacon.service
sudo systemctl status nimbusbeacon.service

Monitor logs for errors.

sudo journalctl -fu tekubeacon -o cat | ccze -A