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 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 ...
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580 views

How to make munin graph (derive or counter) not per second?

I have values: 10:00 - 505 11:00 - 507 12:00 - 510 13:00 - 525 and i want get graph: 11:00 - 2 12:00 - 3 13:00 - 15 but have per second(munin run every 5 minutes): 11:00 - 2/300 12:00 - 3/300 ...
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43 views

How to set up HTTP authentication to Munin?

Today I installed and configured Munin on my server. I didn't like how it shows all those graphs without having any login system nor authentication. Is there a way to set up an authentication to ...
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1answer
539 views

Munin in a subdomain using Apache Virtual Host

I'm trying to install Munin in my server and configure the web interface to work in a subdomain. I've configured the subdomain stats.mysite.com and created the file ...
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2answers
83 views

set — $(cat /proc/loadavg)

Hi I have a munin plugin that does this load_fetch() { set -- $(cat /proc/loadavg) cat <<EOF ...
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558 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 ...
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99 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 ...
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75 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 ...
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416 views

Munin : aggregate network traffic

I have a default configuration of munin-node on 3 of my servers, and I would like to create a summary chart that displays total output bandwidth. Here is what I have done minin.conf : ...
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155 views

How to make aggregate graphs of varnish in munin

I'm trying to sum the graphs of varnish in munin. I've tried with all the possibilities than i could but i don't manage to succeed. [group;Agregadas] update no varnish.graph_title Hit ...
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199 views

How do I configure munin to show separate graphs for virtual hosts on a single server?

I have a machine with several virtual hosts. How do I configure munin and munin-node to break up the network traffic/bandwidth by virtual host? i.e. vhost1.example.com, vhost2.example.com where both ...
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3answers
4k views

How to export munin raw data to CSV?

I'm monitoring my Debian GNU/Linux server with Munin monitoring software. I was wondering whether I could export the raw data used to generate Munin charts? I want to do some in-depth statistical ...
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237 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!
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274 views

Passively monitor IO wait spike on process level

We use munin and monit to keep track of general stats about our vps, in last a couple of weeks, we have been running into issues where random IO wait spike is killing our server performance. Since ...
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2answers
133 views

PHP scripts time out but regular pages are snappy

I'm having a strange issue with nginx and PHP-FPM. I have a server set up to serve downloads for my website. It's not very beasty, it's only a Celeron G530 and 4GB of RAM, because of this, I'm running ...
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128 views

reallocate pending sector smartctl

smartctl is reporting smartctl_exit_status 64 after there was a current_pending_sector, so i think the data isn't still reallocated and i have to do it myself? munin graph can be found here munin ...
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193 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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91 views

munin network unit false in traffic graph

I've got 4 network interfaces eth0, eth1, eth2, eth3 monitored by the munin 1.4.5 if_ plugin. On eth0 the graphs show realistic value for the traffic (800kpbs) On all the others interfaces the ...
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140 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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839 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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115 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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228 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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297 views

How do I install Munin from source on Ubuntu?

I'm trying to install Munin 2.0.10 from source on Ubuntu. I followed the instructions, which say download the tarball, edit the config, then run make and make install and "this will install ...
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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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56 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 ...
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253 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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202 views

Monitoring Apache with Munin - what am I doing wrong in my Apache configuration?

I am monitoring a server with Munin. Everything but Apache is reporting nicely. My Apache graphs are empty. I have edited apache httpd.conf to switch ExtendedStatus On. I have then edited my ...
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216 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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464 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
160 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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231 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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193 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 ...
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2answers
424 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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69 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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160 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 ...
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1answer
126 views

Alerting system for Munin

I am very satisfied with munin as a monitoring tool (as I only have a simple 2-server setup) but its alerting system is very annoying as you can only configure it to send an e-mail upon every check ...
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1answer
453 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 ...
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1answer
366 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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268 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
526 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
478 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
139 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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102 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
157 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
118 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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1k 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
160 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 ...
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1answer
234 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 ...
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1answer
156 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 ...
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151 views

Munin graph showing available bandwidth

My boss had an interesting request. We need a graph showing the difference between available bandwidth on an ADSL connection and a Cable connection, over time. So say, test it every 5 minutes (like ...