Munin apache_accesses and apache_volume Binding Problems

Munin LogoIf your Munin 1.4.7 apache_accesses and apache_volume plugin graphs are blank, you could be experiencing the following problem.

If munin-run looks like this:

$ munin-run --debug apache_volume
[...]
volume80.value U

and the apache error_log looks like this:

[warn] (101)Network is unreachable: connect to listener on [::]:80

Consider:

  • disabling IPv6 on your server
  • or add Allow from ::1 for /server-status
  • ExtendedStatus On is required.
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