I'd recently ordered a new round of servers and was positively dreading having to setup Nagios & Munin on them. This is where the fact that I'm a "born & raised" developer really shines through. The configuration of Nagios is simply beyond me. No matter how much documentation I read, I just can't get all … Continue reading LogicMonitor: My Virtual SysAdmin
Tag: munin
Tailoring Your Munin Installation
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. Install Some … Continue reading Tailoring Your Munin Installation
Splunking for Spikes
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 … Continue reading Splunking for Spikes
Monitoring tools essentials: Munin vs. Nagios
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 … Continue reading Monitoring tools essentials: Munin vs. Nagios
Securely tunneling Munin traffic
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 … Continue reading Securely tunneling Munin traffic
Give Your Servers Some TLC: 10 Seconds A Day With Munin
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 … Continue reading Give Your Servers Some TLC: 10 Seconds A Day With Munin
Getting a Grip on your Operations with Munin
Ever taken a midnight drive down a dirt road without any headlights on? While it's certainly a thrilling (and stupid) thing to do, you shouldn't do it with your data center. But do you know what the load of your web servers were this morning? Could you tell me how many MySQL "slow queries" were … Continue reading Getting a Grip on your Operations with Munin