Update Teku client

Update client

Check current version of Teku running on the server:

/usr/local/bin/teku/bin/teku --version

1. Find the latest stable version of Teku on Github

   1. Find latest Teku version at Github: https://github.com/Consensys/teku/releases
   2. Write latest stable Teku version:

   This will update the url links in the guide below.

2. Download the latest Teku version

   cd ~/downloads && curl -LO https://artifacts.consensys.net/public/teku/raw/names/teku.tar.gz/versions/25.11.0/teku-25.11.0.tar.gz

3. Unpack the downloaded Teku version

   tar xvf teku-25.11.0.tar.gz

4. Stop Teku services

   Stop Teku Beacon service and all validators-based services

   sudo systemctl stop tekubeacon
   sudo systemctl stop teku-vi...
   sudo systemctl stop teku-vi...
   ...

   Check services status for state

   sudo systemctl status tekubeacon
   sudo systemctl status teku-vi...; sudo systemctl status teku-vi...
   ...

   Stop cosnsensus services

   /usr/local/bin/staking.sh stop consensus

   Check cosnsensus services status

   /usr/local/bin/staking.sh check consensus

5. Remove Old Teku Library

   sudo rm -r /usr/local/bin/teku

6. Copy the Teku Library

   sudo cp -a ~/downloads/teku-25.11.0 /usr/local/bin/teku

7. Start the services again

   Start Teku Beacon service and all validators-based services

   sudo systemctl start tekubeacon
   sudo systemctl start teku-vi...
   sudo systemctl start teku-vi...
   ...

   /usr/local/bin/staking.sh start consensus

8. Monitor

   • systemctl status tekubeacon teku-vi..

   • journalctl -fu tekubeacon

   • journalctl -f -u teku-vi.. -u teku-vi..

   /usr/local/bin/staking.sh check consensus

   /usr/local/bin/staking.sh monitor consensus

9. Remove downloaded files

   cd ~/downloads && rm teku-25.11.0.tar.gz && rm -r teku-25.11.0