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Questions tagged [munin]

Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems.

Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems.

330 questions
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How to migrate Munin graph history

I have a pretty basic munin configuration, with a host in my munin.conf like this [old;name] and a Plugin, that gives host_name: name I changed the munin.conf to [new;name] the host_name in the Plugin remained the same. Now the Plugin shows, but…
keppla
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Munin Graphs - Have one graph/plugin only update once per hour?

I am writing a custom munin plugin/graph and it's slightly computationally expensive. It's also unlikely to change much in a few minutes. Is it possible to have this one graph/plugin only update once per hour, and leave the rest of my graphs to…
Amandasaurus
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Stacking Munin graph plugins

Is there a simple way to stack existing plugin graphs and hide the originals? For example, I'd like to stack ping_ with say, ping_google.com and ping_amazon.com together. Do I need to write a new plugin, or can I do it in the config file? And what…
Jess
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Munin's fw_conntrack reports strange number of sockets in TIME_WAIT

Ubuntu Server 10.04.1 x86 Munin 1.4.4 Here is what Munin tells me about connections through firewall on my server: Here is what netstat -n has to say about this: $ netstat -an|awk '/tcp/ {print $6}'|sort|uniq -c 2 CLOSE_WAIT 1…
Alexander Gladysh
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Puppet, Nagios, Munin on cPanel based hosts

I've been managing 20-30~ cPanel based hosts over the past year with Puppet, Nagios and Munin for general monitoring / trending however a lot of the methods I've had to use to deploy / manage things such as configurations a pain. For those of you…
WinkyWolly
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Evaluate a Munin graph defined in munin.conf

I have defined an additional graph (in Munin, munin.conf) that calculates the total size of my MySQL database. The index and data sizes are extracted from an external plugin. The definition looks like this: [...] [Database;my.host.com] address…
Ztyx
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How to correctly use DERIVE or COUNTER in munin plugins

I'm using munin to monitor my server. I've been able to write plugins for it, but only if the graph type is GAUGE. When I try COUNTER or DERIVE, no data is logged or graphed. The plugin i'm currently stuck on is for monitoring bandwidth usage, and…
Johan
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Munin "Available entropy" when using address space layout randomization

Having just configured Munin for statistics logging on my gentoo server (hardened profile), I am noticing that my "Available entropy" is consitently in the 200-300 range. This seems way to low, so I checked it manually using the command $ cat…
Simon Lindgren
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Munin - make daily plugin query (not every 5 minutes)

I have a metric that should only be checked and logged daily. Calculation is CPU-intensive, and querying multiple times per day returns the same value (i.e. it just wastes CPU time). Is it possible to make a plugin that is queried only once per…
BarsMonster
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Error trying to get munin running as a cgi

I'm just cutting my teeth getting munin running (latest 1.4.1 on centos) . It's working but I want it as a cgi frontend so I'm not generating graphs constantly when I look at them a few times a day (obvious). I've followed the directions and keep…
Robert Accettura
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Configure Munin to monitor multiple instances on one node

I need to configure Munin to monitor multiple instances of a server daemon that run on a single host. I've tried creating a different named symlink for each instance, but unless I also pass an env var that's appended to each service name I get…
Alnitak
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Munin monitoring of FreeBSD clients via munin-asyncd does not work

I have set up a Munin master node with the intent of monitoring different kinds of Unix machines. I have followed the instructions to the letter and found that while monitoring works flawless with all of the Linux nodes, I cannot get any meaningful…
herrbischoff
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Munin could not draw graph

I configured the munin on Centos 7 and it is configured but the graph is not creating when I am going to check the current day graph it is not showing anything. I checked the log file munin-cgi-graph.log it is showing Could not draw graph…
Shiraz Musaddique
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Aggregated munin graphs file is empty

I'm unable to aggregate some custom graphs I wrote. I know aggregation is functional, because I'm able to aggregate default plugins, but am unsure what's wrong with mine. munin.conf: [myapp;web-servers;0-1] address 1.2.3.4 …
w00t
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Multiple munin-node daemons with different plugins on same machine

my company recently moved to a new infrastructure provider. We got a partially managed server there with a basic installation of Ubuntu 14.04. The provider also has munin-node (munin version 2.0.19) installed on the machine with some custom plugins…
Jan Uhlig
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