Helping web developers and operations bridge the deployment gap
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After following Dan’s tutorial on installing munin on your servers, you already get the benefits of munin’s default plugins. You have graphs showing your CPU, RAM, I/O, as well as MySQL, Exim, and quite some other stats. But most of the time you run some additional software which you also want to montior.
We had a short load spike on our application servers a couple weeks back. A load of 28 on a 4-core machine is more than uncomfortable – it’s downright dangerous. Luckily, it only lasted for 2 minutes and, just as suddenly as it came, vanished again without a trace. Well, that’s not quite true, because [...]
When you’re running any business critical application, you need to know what’s going on with it. Is it up? Does it cause extended load on your servers? Does it have enough disk space left, how fast is the data on the disk growing, etc.
To know all that, you need a tool which a) monitors and [...]
This is a guest post by Thomas Eisenbarth. Thomas studied computer science at the University of Augsburg, currently works at BINconsult GmbH, Berlin and co-founded makandra GmbH in Augsburg. He and his teams develop and operate web applications.
As Dan discussed already in Getting a Grip on your Operations with Munin and 10 Seconds A Day [...]
For some damn reason, your website is slow again. It’s a drag having to pour through logs looking for problems, but if you don’t have any monitoring tools installed you don’t have much choice. Fortunately, there are plenty of tools out there – easy to install, free to use and often make the difference between [...]
Have you ever taken a midnight drive down a dirt road without any headlights on? While its certainly a thrilling (and stupid) thing to do, I certainly wouldn’t recommend doing the same thing with your data center. Do you have any idea if the load your servers experienced this morning was unusually high? Could you [...]
