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pocketncopcua

Configfile for the default deployment over pycharm

  • Create a shell script such as sudo nano /usr/bin/opcuaserver.sh check the path of your deployment:

      #!/bin/bash

  # start the python programm with sudo because of deployment config
  sudo python /home/pocketnc/opcserver/main.py

Make the script executabel: sudo chmod +x /usr/bin/opcuaserver.sh

Note that the first line is critical.

  • Create a service file in /lib/systemd/opcserver.service such as:

      [Unit]
  DescriptionPPocketNC OPC UA Server

  [Service]
  Type=simple
  ExecStart=/usr/bin/opcuaserver.sh

  [Install]
  WantedBy=multi-user.target

  • Create a symbolic link between your script and a special location under /etc:

      ln -s /lib/systemd/opcserver.service /etc/systemd/system/opcserver.service

  • Make systemd aware of your new service

      systemctl daemon-reload
  systemctl enable opcserver.service
  systemctl start opcserver.service

  • Reboot the BeagleBone Black to see your script in action

  • If you wish to control the service at runtime, you can use systemctl commands:

      systemctl status opcserver.service
  systemctl stop opcserver.service
  systemctl start opcserver.service
  systemctl disable opcserver.service