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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353 views

How to operate the plugin of munin membyuser?

I can not run this plugin membyuser The graph is not shown eg screenshots munin-node is configured as follows: /etc/munin/plugin-conf.d/munin-node ... [membyuser] env.USERS user1 user2 user3 user4 ....
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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 ...
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1answer
2k views

Munin Apache graphs have disappeared

I'm running Apache2 and Munin on Ubuntu 12.04. All of my Munin graphs are showing up fine (cpu, memory, etc.), except for the Apache graphs. The Apache graphs were working at one point, which you ...
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1answer
152 views

How to monitor a remote Postgresql Amazon EC2 database through Munin?

How can I monitor a remote postgresql database on Amazon EC2 using Munin? I would like to graph the number of reads, writes, and total database operations.
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1answer
305 views

configuring Munin for Nginx 1.2.4 on ubuntu 10.04 ubuntu ec2 instances

I am running my ruby on rails app ubuntu 10.04 ec2 instance and I am using nginx 1.2.4. I am trying to configure munin to get stats fron nginx, I have recompiled nginx and its working fine but I am ...
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2answers
2k views

Munin throwing errors with fresh install

I just installed munin on a fresh ubuntu system, munin node throwing the following errors: 2013/01/30-21:10:02 CONNECT TCP Peer: "[::ffff:127.0.0.1]:39316" Local: "[::ffff:127.0.0.1]:4949" Use of ...
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1answer
77 views

Graphing data in munin, need to ignore already seen values

I am trying to graph how many ms a REST command is taking. The command is issued many times a minute. Here is the plugin that I wrote: #!/bin/bash # # Collect stats for the timing of recommendations....
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1answer
387 views

How can I debug why Munin won't talk to Nagios?

I've followed the instructions to connect Munin to Nagios. NSCA is installed, echo -e "foo.example.com\ttest\t0\t0" | /usr/sbin/send_nsca -H localhost -c /etc/send_nsca.cfg works when run as the ...
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1answer
344 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, ...
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2answers
1k views

How can I tell if a port is accessible on an Ubuntu machine?

I have an Ubuntu machine, and I've been trying to set up Munin on port 4949. I have it running, and I can connect to port 4949 from the local machine, but connections from external machines keep ...
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2answers
224 views

Restore min/avg/max graphs in Munin 2

I just migrated from Munin 1.4 to Munin 2.0.6 on Ubuntu Server 12.04 LTS. The weekly graphs no longer show min/max values, only the avg. How do i get those back? Thanks Maciej
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349 views

How to run munin-node on SmartOS Global Zone?

I'd like to run munin-node on my SmartOS Global Zone, to remotely monitor hardware and software status. I've tried pkgin in munin-node-1.4.5, but installation fails because it can't create the munin ...
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1answer
328 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 /var/...
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2answers
1k views

Munin's smart plugin keeps reporting an error in the past because of the exit code

My hosting provider has inserted a hard drive into my server which seems to have had some sort of error in the past but a full offline smart check showed that everything is (about) ok at the moment. ...
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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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1answer
563 views

Munin load from several servers in same graph

I'm attempting to compare load averages from several severs using using Munin 1.4.6-3ubuntu3 by combining multiple hosts in a single graph. My attempt: [domain.com;Totals] load.graph_title Load load....
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1answer
687 views

Munin plugins for Apache Solr 4.0+?

We have just started using Apache Solr 4.0.0 on Linux on a internal project, after having deployed Solr 1.4.1 and then 3.5.0 for a few years now. From my searches, it would seem that most people are ...
3
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1answer
651 views

Reduce munin logging level

Munin is quite verbose, and logs a bunch of things into munin-graph.log, munin-html.log, munin-limits.log and munin-update.log at each run of munin-cron. I already reduced munin-node logging level by ...
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1answer
470 views

Installing munin-node in an AWS Instance running Amazon Linux

Can I use the procedure described here (http://munin-monitoring.org/wiki/LinuxInstallation) for RedHat or I need to use a different one?
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2answers
1k views

configuring munin-node for nginx

I am deploying munin to monitor my production ubuntu aws ec2 instances which is running on nginx. Now I wanna deploy munin-node in the production system and deploy munin-master in the another aws ec2 ...
4
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1answer
681 views

Munin aggregate graphs are not working

I know this has been asked in several times on many forums before, but still I am struck with similar problem. Individual graphs are working fine however, aggregate graphs are not. I don't even get ...
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1answer
233 views

Move Munin on new server with old data

I have to move my Munin instance on new server. I've installed from package (Debian) Munin 2.x. All was fine, but ... I copied /var/lib/munin to new server. But after updating munin overwrite old data ...
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0answers
148 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.
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1answer
177 views

Find out what's running wget on my server

In my access.log I see requests coming from 127.0.0.1 and retrieving server's "/" and then all of graphics and CSS referenced in it. This happens regularly, every 5 minutes. I want to find out what, ...
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1answer
227 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 ...
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2answers
2k views

Munin with postgresql 9.2

I am trying to set up Munin to collect stats on a server with postgresql 9.1 and 9.2 (the server is currently running 9.1, have tested on a fresh VM with 9.2 to rule out some weird problem on the ...
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2answers
277 views

Single Munin server to host multiple projects

We have multiple projects to be monitored with Munin, and naturally we have a separate Munin server for each project. But now that we're using Munin 2.0 + Nginx/fcgi and it's scalable with many munin-...
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1answer
475 views

munin-limits error, Missing configuration options for contact admin; skipping

I am getting an error when trying to configure email alerts with Munin. I've tried with both version 1.4.7 and 2.0.6. My config file: contacts admin contact.admin.command mail -s "Munin notification ...
4
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1answer
193 views

Munin - graph not visible when host down

This night, a server of my farm has failed But, in my munin server, i have lost graph of the host which failed during the night. After reboot host (this morning), and few minutes later, this host is ...
1
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1answer
1k views

munin server and munin node both on dynamic IP possible?

I configured munin-server and munin-node on same box and everything works fine. it is a fantastic monitoring tool. Now situation got complicated because I've to add a node which is located in another ...
0
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1answer
548 views

Munin 2 data not showing up on graph

I have a fresh installation of Munin 2.0.1 on my Ubuntu 12.04 and the first time I tried to view graphs, it showed them properly(After installation, I had to follow http://munin-monitoring.org/wiki/...
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2answers
874 views

apache high system CPU time

I have a web server: ubuntu apache+php app+postgresql and a stats server: ubuntu apache+php - piwik and munin2 installed. The communication for munin2 is made through ssh. In munin i see a lot of ...
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2answers
590 views

ganglia graphs like munin for cpu, etc?

I'm coming from munin and a CPU graph contains data for system, user, nice, etc ALL on one graph. I just installed ganglia and setup the basic monitoring. It appears that each type of cpu data is a ...
0
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1answer
320 views

How to chart a per minute figure from an incrementing number in Munin

I've got a database number that increments in real time with certain page views. I want to make a Munin chart which charts not the total, but how it's changed from minute to minute. I know it's ...
5
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4answers
18k views

Munin on Centos 6 - missing perl MODULE_COMPAT_5.8.8

I'm trying to install Munin on a new VPS through yum install munin but I keep getting an error about a missing perl module: Requires: perl(:MODULE_COMPAT_5.8.8). This is the perl version currently ...
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2answers
365 views

Munin does not produce any output

To setup munin I did the following: yum install munin munin-node -y Then set the htmldir /var/www/virtualhosts/ssl.foo.com/bar [foo.com] address 127.0.0.1 use_node_name yes In /etc/...
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2answers
155 views

Looking for a reference to munin single-letter prefixes

I am looking for a reference to what the prefixes shown in the munin graphs mean, e.g., m, u, k, etc. I can guess several, but it would be helpful to have a complete list.
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1answer
62 views

installed and configured munin server monitoring too: but where is ram usage? and mysql usage?

I'm at loss, have been trying to dig out something in documentation,but nothing... It seems mysql ram usage should be part of default Munin package, but they don't show up. Anyone can confirm me this?...
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0answers
38 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?
8
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1answer
2k views

Can Munin be configured to display hourly graphs?

By default, Munin (I’m using 1.4.5) shows graphs for the day, week, month, and year. Can I configure it to additionally display an hourly graph?
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2answers
2k views

How can I configure Munin to give me a “total” view 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 ...
0
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1answer
781 views

Monitor SMART Values of a SAS/SCSI drive with Munin

I'm trying to monitor my two SAS drives using the SMART Tools Plugin for MUNIN. On SATA drives its no problem, all SMART values are being shown. It seems that smartctl doesn't output valuable SMART ...
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1answer
58 views

Munin plugins with 2 lines

I need munin plugin with 2 lines in/out. What args i must put in my plugin like this graph view: I need to lines and zero line. Thank you.
2
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2answers
3k views

Network monitoring systems in Python

There are a host of open source network monitoring systems available. I tried we used to use Nagios, I have been hearing good things about Munin too. The thing is most networking monitors are written ...
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1answer
328 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 dependencies:...
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0answers
697 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). ...
3
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1answer
439 views

How to investigate peak in MySQL throughput?

Recently one of our servers has ran out of memory and crashed. After reviewing the munin graphs, it appears that the only metric (other than memory usage) that peaked just before the crash was the ...
0
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1answer
91 views

Munin graphs picking different data from munin-nodes

I am using Munin graphs with multiple VPSes at the moment and most of them are running Ubuntu version 10.04 LTS or greater. The issue is, im installing munin-node from the the default repo BUT some ...
2
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3answers
97 views

Innodb statistics

We're running InnoDB as a MySQL engine and using phpMyadmin to administer our database. Under Status → Query statistics, phpMyadmin gives us the following: We would like to know where these figures ...
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1answer
586 views

SSH Tunneling for Munin

I had at home an NAS and in the datacenter a Server. I make an SSH Tunnel with the following command: autossh -fN -M20404 -R 1337:localhost:22 user@server (from the nas to the server) Its working ...