The Eye Of Horus (by alaric)
As I mentioned in passing before, I've been writing my own server status monitoring package, The Eye Of Horus, because I wanted to better monitor my own servers.
Well, I installed it today, both to get started with some actual monitoring and to try it out in a real environment before releasing it properly, and the first thing I found was that the load on my primary server was high. As in, around 5. And a bit of digging revealed that it was Postfix being kept busy - delivering spam.
So I upgraded postfix on it, and my backup mail server, to the most recent version in pkgsrc, and added a bunch of SMTP-level anti spam checks to take the load off of spamassassin - and pow, system load has dropped to reasonable levels again.
The Eye Of Horus has saved the day already!
It's not yet as featureful as Nagios, but it's a better architecture, so it's easier to configure and has potential to overtake Nagios in the feature stakes. I've written an optional module for it to log statistics (load average, disk space, etc) to RRDtool databases, and hooks into the Web status display CGI to allow it to link to graphs produced from RRDtool, which is pretty nice.
Tue 14th Nov 2006 1:34 am 
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