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Update

For the changes contained in a release, refer to Release Notes.

There are two kinds of update:

  • Update of PLOSSYS Distribution Engine only: install the new DPF4Distribute package and the new Process Printing bundle on the existing DPF. Follow Update the Distribution Engine.
  • Update with a new DPF version: DPF itself cannot be updated. Perform a new installation, refer to Installation, and transfer your configuration.

The section of each version states which kind of update it requires.

Update to 2.2.0

PLOSSYS Distribution Engine 2.2.0 requires a new DPF version, included in Frozen Master Convert 2026-1. Perform a new installation, refer to Installation, and transfer your configuration.

Before Update to 2.2.0

As of PLOSSYS Distribution Engine 2.2.0, Elastic Stack 7 is no longer supported. If you are using SEAL Elastic Stack 7, update it to SEAL Elastic Stack 8 or higher. For more information, refer to the SEAL Elastic Stack documentation.

Update the Distribution Engine

Execute the following steps to update PLOSSYS Distribution Engine without a new DPF version:

  1. Update the DPF4Distribute package:

    1. Download the package 20260728_dpf4distribute_2.2.0_packet.zip from the SEAL Systems delivery platform.

    2. Change to the DPF environment with su - seal, change to the download directory, and install the package:

      inst_package 20260728_dpf4distribute_2.2.0_packet.zip

    3. Start the DPF and run a test job to verify the update:

      • Run sysstart to start the DPF.
      • Run a test job, for example dpfclient -wf example.
      • Leave the DPF environment with exit.

  2. Download the Process Printing - 1.4.1.94 - rpm folder from the SEAL Systems delivery platform. It is saved as Process Printing - 1.4.1.94 - rpm.zip. WebDAV path:

    https://delivery.sealsystems.de/remote.php/webdav/Process%20Printing%20%28Early%20Access%29/Process%20Printing%20-%201.4.1.94/Process%20Printing%20-%201.4.1.94%20-%20rpm/

  3. Extract the package and change to the extracted directory:

    unzip "Process Printing - 1.4.1.94 - rpm.zip"

    cd "Process Printing - 1.4.1.94 - rpm"

  4. Start the installation in a normal shell, not in the DPF environment:

    sudo sh install.sh

  5. Open the firewall ports of the services:

    sudo sh firewall.sh

  6. Disable the services of the distribution channels that you do not use. Example for seal-dpf-workingunit-webportal:

    sudo systemctl disable --now seal-dpf-workingunit-webportal

    Hint - Logrotate

    SEAL Logrotate cleans up outdated log files of the Distribution Engine services. This frees up storage space and prevents performance and memory issues. If SEAL Logrotate is not installed yet, we strongly recommend to install it, refer to the SEAL Logrotate documentation.

  7. Enable and start the services of the distribution channels that you use. Example for seal-dpf-workingunit-print-ipp:

    sudo systemctl enable --now seal-dpf-workingunit-print-ipp

  8. Check the status of the services:

    systemctl --type=service --all | grep seal-dpf
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