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Resolved Error starting the plesk-ext-monitoring-hcd service

Nicola Urbinati

Basic Pleskian
Server operating system version
Ubuntu 18.04.6 LTS
Plesk version and microupdate number
Version 18.0.48, last updated on Dec 7, 2022 05:20 PM
Hi,
Can't start the plesk-ext-monitoring-hcd.service demon, with the following error:

Bash:
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]: 3: /opt/psa/admin/plib/modules/monitoring/library/Helper/Grafana.php:140
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]:         PleskExt\Monitoring\Helper\Grafana::updateState()
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]: 4: /opt/psa/admin/plib/modules/monitoring/library/Helper/HardwareInfoUpdater.php:50
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]:         PleskExt\Monitoring\Helper\HardwareInfoUpdater->update()
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]: 5: /opt/psa/admin/plib/modules/monitoring/scripts/detect-hardware-changes.php:22
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]: ERROR: pm_Exception_ResultException: Execution extension has failed with exit code 3, stdout: , stderr: Unable to Connect to tcp://127.0.
Jan 08 02:01:04 srvurb01.urbaman.it php[2382]:  (ApiCli.php:257)
Jan 08 02:01:04 srvurb01.urbaman.it systemd[1]: plesk-ext-monitoring-hcd.service: Main process exited, code=exited, status=1/FAILURE
Jan 08 02:01:04 srvurb01.urbaman.it systemd[1]: plesk-ext-monitoring-hcd.service: Failed with result 'exit-code'.
Jan 08 02:01:04 srvurb01.urbaman.it systemd[1]: Failed to start Hardware changes detector for the Plesk Monitoring.

Is there a way to properly diagnose/resolve?
 
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