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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.

Munin is a simple to configure tool that make real nice graph about your server status. It can actually deal with almost any aspect of your server (load average, network cards status, CPU usage, memory usage, postfix, exim4, MySQL ...) without spending much time in configuring it.

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Munin not generating graphs

My clean munin install is not generating graphs, i did everything listed in this URL to debug http://munin-monitoring.org/wiki/FAQ_no_graphs#Ijustreadtheaboveanswerandtherestillarentanygraphs i can successfully connect via telnet to the node. -The…
Aronis Mariano
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Send a critical alert to a different mail address in munin?

I'm using the resource monitoring tool Munin. (Version 1.4.6) Today I've enabled the email alert function to receive a notification when a value is too high. With munin it is possible to set two levels of alerting. (Warning or Critical) I've…
Deltahost
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Installing Munin on debian 6 and getting 403

I've installed Munin on my server but when I try to access the mypage.com/munin i get 403 error: Forbidden, You don't have permission to access /munin/ on this server. My configuration is the following: The node and the master are installed in the…
ddelizia
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Memcached: Plugin Munin Error

Good afternoon. I'm trying to use memcached plugins and I'm getting errors when I use the command "munin-run" to test them. The errors returned are: Use of uninitialized value $ip in substitution (s///) at /etc/munin/plugins/memcached_hits line…
hdegenaro
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apt-get upgrade failed

I have tried to run an "apt-get upgrade" but I get the log below. It seems to have been caused by haveged (I tried to install this via source a while back, and not with apt, there are traces on the system of it, I will attempt to uninstall this…
Carlton
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Greping an array obtained through NET:TELNET

I'm writing a Munin-Pluging and I like to capture the screen output from a telnet session. The output of such a session looks as follows: ... 0x00017 0x41b3f340 BPING 0 0 0 0 198 …
Maus
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Munin - how to return unknown value from plugin

I want my munin plugin to report unknown values if the value can't be reported. What do I have to return? "nan" "-nan" nothing at all, just skip returning a value "unknown" ...? Nothing works for me. Background: ntp_offset plugin fails if ntp is…
Janning Vygen
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Munin in shell script

I want to use Munin to show the wave of my data. I get the data from ttyACM0, it's an Arduino UNO. I use shell script. But I got a problem, I cannot ues 'cat /dev/ttyACM0' to get the data. Here is the problem, the programme stopped at 'cat…
haoX
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How can I configure Munin to give me a total of all my cloud servers?

I have a dozen load balanced cloud servers all monitored by Munin. I can track each one individually just fine. But I'm wondering if I can somehow bundle them up to see just how much collective CPU usage (for example) there is among the cloud…
Ryan
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Getting munin to get totals accoss nodes

Below is my config file for munin. I am trying to do a test for summing the loads across machiches. The nodes are showing up un munin but the total is not. Did I leave something out? [ec2-50-17-142-0.compute-1.amazonaws.com] address…
user959129
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Munin-node won't start Cent OS 5.7

i just installed munin-node on my new cent os 5.7 64bit machine via yum. Installation went fine, i've setup munin and munin-nodes on many machines in the past, but this time i cannot get it to start. When I try to restart it with the following…
Mr.Boon
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Custom munin plugin to count the number of instances of a process

I have this munin plugin: #!/bin/sh if [ "$1" = "autoconf" ]; then # Test for requirements, and return "yes" if met, "no" if not met echo "yes" exit 0 fi if [ "$1" = "config" ]; then echo "graph_title xrdp process count" echo…
res1
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How to stop munin from calculating the values in millis?

I wrote my own munin-plugin and I'm confused, how munin represents values between 0 and 1. The 2nd line of values uses an notation with 'n'. What does it mean and how can I avoid it? I just want a common floating point value like 0.33! What I'm…
Thilo Schwarz
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Unknown graph error with Munin MySQL plugin

I installed munin-node on CentOS 7. The default plugin to monitor system resources is working fine. I followed the steps online to enable the mysql_ plugin. However, I'm encountering the following error: > sudo munin-run --debug mysql_ # Skipping…
Francis
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Ansible Task: with_dict statement got triggered, even if the when-clause should prevent this

I'am trying to automate the creation of the smart_[diskdevice] links to /usr/share/munin/plugins/smart_ during the installation of the munin node via ansible. The code here works partially, except there is no diskdevice to link on the target…
Jasmir
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