in How To's, Synology |

A common issue that appeared with DSM 7 is that some well known containers started crashing when the NAS boots up.

This is accompanyed by this error:

Options error: In [CMD-LINE]:1: Error opening configuration file:

The most common docker container images associated with this are:

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  • wheelybird/openvpn-server-ldap-otp
  • markusmcnugen/qbittorrentvpn
  • haugene/transmission-openvpn

To solve this you need to configure the Docker container with certain privileges, following these steps:

  1. Open the Docker application
  2. Go to “Container”
  3. Select and Stop the container (if running)
  4. Under “General Settings” press the “Configure capabilities” button
  5. Check “NET_ADMIN” and press the “OK” button
  6. If checked, uncheck the “Execute container using high privilege” and press the “Apply” button
  7. Start the container.

Here’s a screenshot to help you with these options:

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