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

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munin-cron Unable to Copy Contents

I recently installed munin on my (Fedora12 based) server. Now, I wanted to get all the graphs in a static directory (The application runs on Django). So, I edited the file /etc/munin/munin.conf by ...
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3answers
2k views

No Graphs available in Munin

I have a problem using munin (on Ubuntu 10.05 LTS). No graphs are available. Instead, an image placeholder is shown. I tried different settings, but it does not work. I used http://munin-monitoring....
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3answers
6k views

Configuring the Tomcat Plugin of Munin

It would be great if anyone can share a working configuration for the tomcat_ plugin of munin. I need to monitor several tomcat instances on one machine. So far I can't figure out: which are the ...
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2answers
3k views

Munin graphing by CGI

I have Munin working just fine, but any time I try to do cgi graphing - it just stops graphing... no errors in the log, nothing. I've followed the instructions here: http://munin-monitoring.org/wiki/...
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4answers
566 views

How to determine which processes have most inodes opened

Here is my problem, visibile in a munin chart: My used/opened inodes are "suddenly" constantly increasing. Is there a way to determine which process is keeping the most currently opened inodes? I ...
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1answer
46 views

munin not showing traffic of interfaces pfsense 2.2

I'm trying out some systems and plug ins for monitoring bandwidth I came to Munin to monitor the interfaces of my PFSense 2.2.6 installing Munin was very easy and on normal debian VM's I could see ...
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2answers
986 views

munin requires perl(RRDs)

I'm in RHEL6.3 and I'm installing munin from epel http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm I already solved all dependencies except this one : Error: Package: ...
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1answer
1k views

Munin - apache_watch_ plugin, does not show any data in the graphs that shows activity for per vhosts

I am using Munin for monitoring my server. I installed the apache_watch_ plugin so that i could see apache related activity. The graphs for apache_accesses, apache_processes and apache_volume work ...
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1answer
36 views

Get server stats by user

I run a server with centos, ispconfig, about 100 websites on it. It occasionally gets high load, but I have no real way to pinpoint whats causing this. I really want to see stats of hits/cpu usage per ...
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1answer
91 views

Munin and mysql plugin

I've installed munin on a vps and I want to monitor mysql usage of 3 mysql servers, I have configured mysql_ plugin as follow: [mysql_*] env.mysqlconnection DBI:mysql:mysql;host=mysql1.neocrafters....
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1answer
122 views

munin-node apache_ with basic authentication - please be more specific

Can someone please explain this to me: In this answer: munin-node apache_ with basic authentication there is a line saying: If you need authenticated access to the URL you can specify the ...
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1answer
110 views

Munin : notification when everything is ok

I use one Munin-Master to monitore 20+ servers, all run fine, except for one server. Last three Munin mails receveid : 05h25 infra :: backup2.infra :: Disk usage in percent OKs: /var ...
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0answers
10 views

Munin not updating graph, plugin works(Nginx)

This morning i had the great idea to update my nginx instal from dotdeb to the official repo, it worked, but around that time some of the munin nginx graphs have stopped working and i don't know why, ...
5
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3answers
2k views

munin + nginx: no dynazoom into graphs

I cannot get the Munin dynamic zoom to work. I am rather certain that the problem has something to do with the Nginx configuration. Any attempt to generate a zoomed graph triggers the following error ...
1
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2answers
26 views

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-...
4
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2answers
4k views

Configure Munin graphs to show different time periods

I'm running a server with Munin installed through WHM cPanel. I've been googling around and I can't seem to find out how to do the following: A: Change a graph to show a different time period (...
1
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1answer
50 views

Munin/Nginx - Nginx prepending root path to file despite different path specifed with alias

I have installed munin (for the time being available here: http://brailsford.xyz/munin ) the problem is that whilst the core loads from /var/cache/munin/www - none o the static files load. I have the ...
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3answers
3k views

Munin apache plugin bad response

All my apache plugins returns the same value : /usr/share/munin/plugins# munin-run apache_volume volume443.value U Here is my config in /etc/munin/plugin-conf.d/munin-node [apache_*] env.ports ...
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0answers
16 views

Munin graphs not being removed from html page after plugin removed

I have a munin server and many linux nodes. That all works fine. I wrote some custom munin plugins. They worked. They appeared on the munin html page. I have since deleted those plugins. However my ...
38
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4answers
22k views

Munin vs Nagios

We're currently using Nagios to monitor about 20 Linux machines (services and functional links). I just find out about Munin and I wonder if this is a Nagios replacement, or it can be used together ...
3
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1answer
315 views

Munin: some pluggins stopped working after moving to different *virtual* host

I used munin as monitoring serfice and I was happy with it. It is located on localhost machine with CNAME being server.domain.com. Trying to access server.domain.com from remote machine showed up ...
3
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2answers
3k views

Munin stopped updating

today at 02:20 I noticed that suddenly Munin stopped updating its graphs. It is not showing blank data, the whole graphs are not being updated anymore. I run CentOs 5.7 (64) and ive installed Munin ...
8
votes
6answers
14k views

apache server-status not found. check if mod_status is enabled

I've enabled the apache_ plugins on a munin node: ln -sv /usr/share/munin/plugins/apache_* /etc/munin/plugins/ After restarting the node with service munin-node restart here are the errors I'm ...
0
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1answer
85 views

Apache graphs and data not updating in Munin on Ubuntu 14.04

So I am rebuilding a server from Ubuntu 12.04 to Ubuntu 14.04; not doing the upgrade path because I would rather build from scratch in this case. I have installed Munin as I have done before in Ubuntu ...
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2answers
294 views

Munin mysql plugins results inconsistent, with IPC::Sharelite store() error: Identifier removed

I've recently setup a munin-node on a CentOS server. All was working fine until I tried to add the apache plugin (which works fine). For some odd reason, the mysql plugins for munin that used to work ...
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1answer
50 views

CPU Load on Virtual Machine

This picture shows the CPU Usage of a Debian 8 installation running on a Virtual Machine (VMWare ESXi). I'm wondering about two things here Why doesn't the usage sum up to 200% (the virtual machine ...
5
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1answer
3k views

Munin dynamic graph zoom (dynazoom) not working (Nginx, PHP-FPM)

Debian 7.5 Nginx/1.6.0 PHP 5.6.0RC2 (fpm-fcgi) (built: Jul 11 2014 08:17:52) Munin v2.0.21-2 I been searching all over the net for a few days for answers to my problem but it seems like no one knows ...
0
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1answer
61 views

Setting warning / critical thresholds in plugin-conf.d file

I can set warning / critical thresholds in munin.conf (for a plugin that I've written) like this: load_per_core.load_per_core.warning 0.2 # Low value to trigger warnings load_per_core.load_per_core....
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1answer
34 views

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) ...
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1answer
58 views

Why is Munin being annoying?

We have a Munin server that's taken to some really strange behaviour lately. The website itself is working perfectly, we're getting our statistics, I'm getting paged, everything is otherwise fine ...
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0answers
72 views

MySQL graphs on munin not working?

I created a mysql user (munin@localhost, global SELECT privilege). I added this to /etc/munin/plugin-conf.d/munin-node [mysql*] env.mysqladmin /usr/bin/mysqladmin env.mysqluser munin env....
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2answers
121 views

How can I get Munin to generate image source paths properly?

I'm having trouble with Munin's comparison pages. All other pages work just fine. What happens is that the relative URLs it is generating for the img src parameters are wrong. In the snippet below you ...
0
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1answer
90 views

Munin tomcat Graphs stay empty

on a Ubuntu 12.04 server I´ve installed munin and setup tomcat plugins following this thread. The Only Graphs that fills is JVM Memory all others (access,threads, volume stay empty) If i test sudo ...
0
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1answer
294 views

Fail2Ban plug-in is enabled in Munin but the graph images are broken. How to fix?

I recently installed Fail2Ban on an Ubuntu 12.04.5 server and it’s working great. Now I want to setup Munin so it can monitor it and generate graphs/reports. I found that Munin has a built-in Fail2Ban ...
2
votes
1answer
79 views

Munin not creating html files in Ubuntu

I installed Munin in a Ubuntu Server 14.04 with Apache 2.4.7 But after all configuration, Munin isn't creating the html files in the html dir. This are my files: munin.conf dbdir /var/lib/munin ...
0
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1answer
1k views

MySQL per user monitoring

Is there a tool for monitoring per user MySQL usage? Like number of queries for example. I have been looking on Munin which I currently use, but did not find anything. A similar tool is the per user ...
11
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2answers
318 views

How to mark every deploy in munin?

Anyone knows if it's possible to mark every deploy with a red vertical line in munin graphs? It will be great to debug possible performance holes in the code. Thanks in advance!
1
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1answer
210 views

Memcached in Munin

I tried to configure the munin to load the memcached plugin. But the memcached plugin wont show up when I add the --suggest to the munin-node-configure command. But I appear when I do not add that ...
1
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1answer
163 views

Munin Windows Sum Stack graph

I am trying to stack multiple graph in one with munin. The idea is to stack all the web servers CPU graph into one graph. Munin configuration source graph: [WEB1.virtualservers] address 10.11.6....
20
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2answers
3k views

what does the 'm' unit in munin mean?

I'm using munin as a tool for monitoring my servers. On some of the graphs, the units are marked with a 'm'. For instance, my apache accesses graph is labeled 100m, 200m, 300m, along the y-axis. What ...
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3answers
3k views

syntax error: unknown user 'munin' in statoverride file

Server running Ubuntu 12.04 lts I installed munin the other day on a server. I decided later to remove it with apt-get. I noticed that not everything was removed from the installation so manually ...
0
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1answer
92 views

Munin aggregation not working (summing CPU time across servers)

I am trying to get an aggregated graph of CPU usage across some servers. I have come up with this so far: [totals] update no contacts no lb_cpu.graph_title LB Total User CPU lb_cpu....
0
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1answer
327 views

Why is the Munin server giving just 404 status when hitting /munin-cgi/munin-cgi-graph?

I am using an Amazon Linux distribution (a recent one). I'm trying to install munin in the local node (just one node, both node and master). So I tried: $ sudo yum install munin munin-node httpd ...
0
votes
1answer
52 views

Exclude field in munin chart

I have written my first Munin plugin to monitor my WAN traffic at home. The chart includes the actual traffic (as DERIVE) and the maximum possible speed (as GAUGE) for my Internet connection. I want ...
0
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1answer
494 views

Munin disk utilization calculation.

I have got intel ssd(series 530, 480gb). Data from intel site: Sequential Read - 540 MB/s Sequential Write - 490 MB/s Random Read - 48000 IOPS Random Write - 80000 IOPS Current load is about 5000 ...
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1answer
1k views

Postfix Plugins for Munin not working

I have a fresh munin (system monitor) installation on a FreeBSD 9.1 machine up and running fine. Now I wanted to include our Postfix server on the same machine in munin, so I tried to run the standard ...
4
votes
6answers
4k views

Are there any tools for monitoring individual Apache virtual hosts in real-time?

I'm looking for a way to monitor and record Apache traffic, separated by virtual host. I am currently using Munin to capture this and other data for the entire server however I can't seem to find a ...
2
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3answers
2k views

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 ...
0
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1answer
49 views

Munin not warning on trespassing warning level

I have a Munin installation which surveils a bunch of servers. Two of them have MySQL replications running of which Munin plots the slave lag by use of mysql_slave_status. [mysql-slave.nmk.loc] ...
1
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1answer
112 views

munin-node-win32: cannot use a batch file as plugin

I am having trouble getting a defined a plugin which is a batch file to run with Munin-node-win32 (1.6.1). According to the readme, it is capable of integrating external plugins defined in the [...