Unbound service fails with fatal error- "sd_notify failed /run/systemd/notify: No such file or directory. Make sure that unbound has access/permission to use the socket".

Solution Verified - Updated -

Issue

  • On RHEL 9.6 systems, after updating the Unbound package, the service fail to start with the following error:

    fatal error: sd_notify failed /run/systemd/notify: No such file or directory
    

Environment

  • Red Hat Enterprise Linux 9.6
  • unbound-1.16.2-17.el9
  • unbound-libs-1.16.2-17.el9

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