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Icinga HTTP on Apache server does not return 200 intermitently

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linux-howto

http://serverfault.com – I have a server running Apache/2.2.16 on Debian Lenny. The server is host to about 6 vhosts. One of the vhosts is just the FQDN for the server and doesn't have much of anything but an index.html page that Icinga checks every 5 minutes. Now, the server is generally under moderate load. It hosts a Joomla website with a Vbulletin forums section. It is also doing some ffmpeg stuff for the many videos on the site. It stays busy. Now, here is the kicker. Icinga is monitoring the FQDN for the server and not the main vhosts used to serve up content. Periodically Icinga will report HTTP critic (HowTos)