Zugchain | Cheat Sheet

1. Check logs

#geth logs
journalctl -u zugchain-geth.service -f

#beacon logs
journalctl -u zugchain-beacon.service -f

#validator logs
journalctl -u zugchain-validator.service -f

2. Backup validator data

#validators data
tar czvf validators-backup-zug.tar.gz /opt/zugchain/data/validators

#deposit data
cat $HOME/zug_keys/deposit_data-*.json

#keystore data
cat $HOME/zug_keys/keystore-*.json

3. Check chain id

curl -s http://127.0.0.1:8545 -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","id":1,"method":"eth_chainId","params":[]}'

#result expected 0xc9542

curl -s http://127.0.0.1:8545 -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","id":1,"method":"net_version","params":[]}'

#result expected 824642

4. Check sync status

curl -s http://localhost:3500/eth/v1/node/syncing | jq

#check block num
curl -s http://127.0.0.1:8545 -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'

lastUpdated: 2026-03-01