[Nagios-users] External Command Error

[andres s. <coo...@gm...>]

Hi, i'm triying of set comments on web interface of problems that
hosts and services have. But its give thir error:

Error: Could not stat() command file '/var/lib/nagios2/rw/nagios.cmd'!


The external command file may be missing, Nagios may not be running,
and/or Nagios may not be checking external commands.


An error occurred while attempting to commit your command for processing.

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How cat fix that, i wait than  someone can helpme, sorry for my english.

Saludos