• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

Issue Advance Monitoring

If you see the following output of command:

Code:
# python2 -c 'import urllib2 ; print urllib2.urlopen("https://packages.grafana.com/gpg.key").read()'
. . .
urllib2.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>

that means broken CA certificates configuration on OS level. The issue is linked with Ubuntu bug with ID 396818

  1. Move /usr/lib/ssl directory:

    Code:
    # mv /usr/lib/ssl /usr/lib/ssl_old

  2. Reinstall CA certificates:

    Code:
    # apt-get install --reinstall openssl ca-certificates

  3. Verify that certificate can be obtained without any errors:

    Code:
    # python2 -c 'import urllib2 ; print urllib2.urlopen("https://packages.grafana.com/gpg.key").read()'
    -----BEGIN PGP PUBLIC KEY BLOCK-----
    Version: GnuPG v1
    mQENBFiHXVIBCADr3VDEAGpq9Sg/xrPVu1GGqWGXdbnTbbNKeveCtFHZz7/GSATW
    iwiY1skvlAOBiIKCqJEji0rZZgd8WxuhdfugiCBk1hDTMWCpjI0P+YymV77jHjYB
    jHrKNlhb+aLjEd9Gf2EtbKUT1fvGUkzlVrcRGSX/XR9MBZlgja7NIyuVbn3uwZQ4

  4. Reinstall Grafana extension:

    Code:
    # plesk bin extension --install grafana

  5. Verify Grafana package was installed successfully:

    Code:
    # dpkg --list | grep grafana
    ii grafana 6.3.6 amd64 Grafana

  6. Log in to Plesk GUI

  7. Go toAdvanced Monitoring

    In case the following error message is shown, click on Fix installation:

    The grafana-simple-json-datasource plugin is not installed.
Should the issue persist after applying the steps above, reinstall the Grafana extension:

Code:
# plesk bin extension --uninstall grafana
# plesk bin extension --install grafana
 
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