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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6
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1answer
447 views

Intermittent munin-cron error “There is nothing to do here, since there are no nodes with any plugins”

We've installed munin monitoring on one of our servers. Generally it seems to be working well but occasionally, 4 times in 2 months to be exact, munin-cron has generated the following error: ...
3
votes
1answer
252 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
votes
1answer
445 views

How to send report created by Munin to email once per week

I have a page with Munin reports and I want to send the email with graphs once per week on specific email. Any thoughts on how to achieve this? Thanks!
2
votes
1answer
74 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 ...
2
votes
1answer
179 views

Alert if munin-master contact node

I have installed munin on one of my servers, and munin-node on another server I wish to monitor. I would like an alert if for any reason the node can't be contacted by the master. Is it possible to ...
2
votes
1answer
303 views

Starting Linode instances via StackScripts based on Nagios events

I'm developing a web application (django/gunicorn/nginx) that needs to be scaled out according to load. The app will be hosted on Linodes so I intend to use StackScripts (and maybe Puppet) to start ...
1
vote
1answer
30 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) ...
1
vote
1answer
145 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 ...
1
vote
1answer
37 views

Permissions issue in Munin

I have a Fedora machine on which I have successfully installed and configured Munin. The issue that I now face is of permissions. So basically, I have a directory where I have pointed all my html ...
1
vote
1answer
222 views

restrict shell commands for munin-node (netcat)

I've spent fair amount of day fiddling with this, and I'm about to give up (for today). I followed the instructions outlined here. All works at the moment. But to increase security I'd like to ...
1
vote
1answer
117 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 ...
1
vote
1answer
171 views

Any way to get munin plugin output to dstat?

The two tools are great with plugins and many available out of the box metrics. I was wondering if there is a way to get output of munin into dstat or a similar tool (real time output vs munin's ...
1
vote
1answer
337 views

Munin 2.0 vs 1.4

Munin came out with a new major release (2.0). It is, however, not easy to see what has changed. I've checked the main site, the FAQ and the Documentation, but nothing found. There's the Changelog, ...
1
vote
1answer
319 views

Should Munin sit in /var/www/munin or /var/cache/munin/www?

I've just installed Munin for the first time in around twelve months, and I've hit a familiar error. I remember from last year that there is an oddity where Munin wants to keep its html files in ...
1
vote
1answer
216 views

The plugin of munin is always timed out

I want to use munin to make a graph of ttyACM0 in Linux, but munin can not create the graph. I found some information in "munin-node.log". it shows that "Service 'temperature' timed out". So I changed ...
1
vote
1answer
320 views

Run munin and all dependencies in userspace on AIX 6.1

Summary: I would like to have a portable munin in user space without installing anything at all on the client system, (like portable Firefox, without root tasks). I've downloaded all the ...
1
vote
1answer
601 views

Monitor Nginx response time with munin

Well, nginx is configured to put $request_time in it's access logs. Now I need to monitor this parameter with munin. Is there any existing plugin to do this?
1
vote
1answer
225 views

Why is the munin apache_activity plugin checking /server-status on a different server?

I have two web servers at different locations (let's call them WEB1 and WEB2) being monitored by the same Munin server. Today, I noticed the following error in the apache logs for WEB1: [error] ...
1
vote
1answer
1k views

How to setup Munin permissions?

I've just installed munin on my CentOS server but I can't get it to output anything to the html directory I set in /etc/munin/munin.conf htmldir /home/mydir/munin In ...
1
vote
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 ...
0
votes
1answer
39 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 ...
0
votes
1answer
77 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
votes
1answer
48 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
votes
1answer
43 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] ...
0
votes
1answer
28 views

Increasing time window for Munin alert and don't send alert immediately

Let's say that I want to set load alert if load > 20 with Munin. However, Munin will immediately alert when the load spikes up to 20. Is it possible to adjust the alert integration time (time window), ...
0
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1answer
452 views

Monitoring network output bandwidth of server for each IP address

I've got a network of static file serving servers. I use nginx to serve the files, and munin to monitor the network traffic. I want to know the output bandwidth of the server that goes to each IP ...
0
votes
1answer
225 views

How to query a munin plugin via netcat?

I want to query a present Munin plugin from Nagios. As I would like to do some calculations and aggregations (the plugin reports data over a period of time) and not just look at the last values, the ...
0
votes
1answer
198 views

munin fw_conntrack going bananas after dist upgrade to debian wheezy

after i upgrade from squeezy to wheezy munin began doing sth weird. it seams as if it only keeps adding the numbers and does not show the current value but only the cumulative values... by the ...
0
votes
1answer
168 views

munin aggregate graph problems

Munin is driving me crazy. I'm trying to get an aggregate graph working. Here is my conf file: [Mydomain;machine-1] address xxx.xxx.xxx.xxx use_node_name yes [Mydomain;machine-2] address ...
4
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0answers
145 views

How to add totals into network traffic graphs in munin 1.4.x (like ones in cacti)?

Here's example picture I found with google.
2
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0answers
909 views

CentOS 7 httpd /server-status limitations

I have got VPS (using CentOS 7 as my OS) and now I am configuring Munin (monitoring software). I ran into a little problem with Apache monitoring. Now I have got this cfg in my httpd.conf and ...
2
votes
0answers
344 views

Munin disable dynazoom.html

Doing a quick google search for "Munin dynazoom.html doesn't work" yields many results. There doesn't seem to be a solution that works -- at least not that I have seen. I have munin installed on a ...
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0answers
14 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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0answers
124 views

Nginx: proxy graphs from remote munin server

I'm trying to create, under a series of nginx hosted domains, a /graphs folder (so I'm trying to use proxy...) at which graphs from a remote munin server would be shown. The munin server is graphing ...
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0answers
262 views

Munin CPU usage graph doesn't go all the way to 100% on a physical server

On a physical X86 server, the cpu's graph is not well draw. Basically the sum of all cpu's usages (system,user, nice, idle, etc) don't reach the 3200% (32 cores) See the image here I have already ...
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0answers
163 views

cannot reach munin port on other AWS instance

2 AWS instances, in the same region but different availability zones, one is in regular EC2 and the other is in VPC, both have an Elastic IP, both are 64bit Amazon Linux AMI 2014.03.1. Both are ...
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0answers
91 views

Munin Interpretation - Server Limits

I've installed Munin to monitor my debian (squeeze) webserver (2 x Intel Quad Xeon 4x2.66GHz, 16GB RAM, 2x1000GB HDD Raid). There are around 50k visits per day. The scripts are very simple and there ...
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0answers
117 views

Cross-referencing charts (e.g. munin) with log files

Is there a charting package like Munin (or an addon for it) that will let me click on a graph period and then see all the logs on that box for that period? e.g. if I see a huge spike in disk I/O 12 ...
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0answers
37 views

How to set munin-master to shows graphs even when the nodes (munin-node) are down?

How do I set munin-master to shows graphs even when the nodes (munin-node) are down? Is this even possible?
1
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0answers
688 views

Munin won't draw iowait

Munin shows high iowait (see legend), but does not reflect it on graphs. It has default config, except the graph_height (but the problem was from beginning, before the graph_height was chnaged). ...
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0answers
571 views

munin-node installation on 10.7 OSX host

We've got a pretty good setup in house for using nagios + munin-node to monitor the various boxes. having some trouble getting munin-node going on our first OSX server (10.7 mac mini server model) ...
1
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0answers
501 views

Munin does not connect to SNMP service on Windows 2008r2

I'm using this tutorial to configure SNMP on my Windows server and Munin on my Linux server: http://munin-monitoring.org/wiki/Using_SNMP_plugins. SNMP on the Windows server works fine, I have checked ...
1
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0answers
3k views

Installed Munin on CentOS, but it does not generate data

I've installed Munin on CentOS, in Munin directory, it only has a few files and I could not see the website data. The Munin log shows the connection to 127.0.0.1 was refused. I have tried to disable ...
0
votes
0answers
7 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, ...
0
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0answers
50 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 ...
0
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0answers
13 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 ...
0
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0answers
51 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 ...
0
votes
0answers
261 views

Munin not graphin : “NaN”

I wrote a plugin for munin which basically fetches some numbers in a .log file and do an average of these values. When I run it with munin-cron or directly like this : # munin-run latency_news ...
0
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0answers
139 views

How do I set up Munin to ping all devices in my LAN and alert me if anything is offline?

So I managed to set up Munin, which was tearful because it was my first encounter with Linux. But it now works and generates colorful little graphs. The real purpose of that exercise, however, was to ...
0
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0answers
634 views

Munin not working, error message

Munin does not show any graph... When I make munin-update I have this error: /usr/share/munin/munin-update 2014/02/15 10:53:43 [ERROR] config error under [amavis] for 'group adm' : Parse error in ...