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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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
votes
1answer
46 views

Munin restart services like monit

The German monit wiki page says: Die gleichen Funktionen, aber mit einer aufwendigeren grafischen Web-Oberfläche versehen, bietet Munin Translation Same functions (as monit) but with a more ...
0
votes
1answer
260 views

Too many emails from munin

I have recently taken the time to look into munin and fix some of the plugins that wore not working. Among them yum. Now for the last few days there have been a few updates released for my centos and ...
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 ...
6
votes
1answer
2k views

Munin Postgres plugins: DBD::Pg not found

I'm trying to activate some of the Postgresql plugins for Munin. When I run munin-node-configure --suggest | grep postgres I get the following output: postgres_bgwriter | no | no [DBD::Pg ...
0
votes
4answers
1k views

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 ...
1
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0answers
167 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 ...
0
votes
1answer
671 views

How do I change the email address that Munin alerts are sending from?

The issue I'm having here is that when I get an alert from Munin, I want it to create a ticket. When the ticket it created, it sends an email back to the email address that Munin sent from each time ...
0
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2answers
230 views

Should munin be password-protected?

We use Munin at work. There is a Munin install - which right now is open to the world. An admin doesn't think he needs to password-protect it. What's the worst that can happen? How can I convince ...
0
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2answers
228 views

Munin bandwidth_ plugin not showing data

I'm trying to graph the cummulative bandwidth on an interface using Munin. Apparently there is a bandwidth_ plugin for this (see ...
1
vote
1answer
227 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
268 views

monitoring nginx-plus vhost trafic with munin

I am using nginx-plus (the version you have to pay for) and I would like to monitor acces by vhost. When I used nginx free version, I could easily monitor accesses with the byprojects munin plugin: ...
5
votes
2answers
4k views

How do I change, sort, add, remove graphs with Munin?

To keep an eye on what's happening with our production servers I recently discovered Munin. It was trivial to install but I'm having a lot of trouble working out how to add/remove graphs. I found ...
-1
votes
2answers
122 views

How to bind munin to use a vhost or port number?

Currently I'am able to access my munin setup using the default url. www.mydomain.com/munin For security reasons, I want to only allow Munin to be access using port number. Like this ...
0
votes
0answers
650 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 ...
-1
votes
1answer
437 views

Why does this iptables config prevent munin from working?

I have created an iptables config which I thought that I understood, however it seems to be preventing munin from generating graphs and I'm not sure why. If I disable iptables, munin will generate ...
5
votes
3answers
319 views

Delaying munin notifications

I have a few servers that are monitored by munin, and fairly frequently one of a selection of units has a transient failure to read data. That gets me two emails, one telling me that all the values ...
1
vote
1answer
148 views

Munin graph Disk IOs for /dev/sda k unit interpretation

From Munin diskstats plugin Disk IOs for /dev/sda graph shows Max IO/sec -read/+write 1.75k/920.92. What does the k unit in Disk IOs graph mean?
0
votes
1answer
227 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 ...
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
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
votes
1answer
126 views

Munin: make plugin output depend on querying master

I have a Munin supersampling plugin which returns high resolution data (sample rate of 1 second). The node offering this plugin is queried by two Munin masters, one of which is a version 1.4 instance ...
0
votes
1answer
125 views

munin-node send data to more than one master?

I'm in the process of making everything on our server setups redundant, and so comes the monitoring. We have one virtual machine acting as munin master and all other virtual machines are munin nodes ...
2
votes
0answers
345 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 ...
2
votes
1answer
464 views

Munin UNKNOWN spamming

By adding unknown_limit 50 to munin.conf I've been able to drastically decrease the number of emails I receive from hosts that generate an otherwise acceptable level of UNKNOWN values. The problem is ...
0
votes
1answer
60 views

Linode Munin Nodes

I have 3 servers in Linode. All of them are configured with private lan network. All 3 are able to ping each other. I have install a Munin master server in one of them and Munin node to all of them. ...
1
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2answers
290 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 ...
0
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1answer
209 views

Munin Limits on COUNTER and DERIVE Data

For Munin plugins of COUNTER and DERIVE type, what values should I use for ${name}.warning and ${name}.critical values?
0
votes
2answers
490 views

Munin's load plugin does not appear

I just did a fresh install of Munin 2.0.6-4 on a Debian 7.1 server from the debian repositories. The "load" plugin appears as loaded: # munin-node-configure | grep load load | ...
0
votes
1answer
2k views

I have setup munin how do I set up alerts for specific parameters

I have setup alerts in munin.conf contacts user1 user2 user3 user4 contact.user1.command mail -s "Munin notification" mailid1@mydomain.in contact.user2.command mail -s "Munin notification" ...
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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 ...
1
vote
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 ...
0
votes
1answer
142 views

Using munin for server monitoring

I want to use munin for monitoring my VPS servers. I'm just interested is it possible to use it without apache installing? So is it possible to install only munin-node on each node I want to monitor ...
2
votes
1answer
383 views

“sudo: no tty present” for munin plugin using password-less sudo

I am writing a plugin for munin to monitor something on our Ubuntu Linux server (which is on Amazon EC2). The plugin requires running a programme /usr/sbin/rabbitmqctl via sudo. I have the following ...
0
votes
2answers
185 views

How to determine if you need to upgrade memory?

My CentOS server's munin graph shows high swap, but the amount of apps memory seems low. Does this still mean I need to upgrade my memory? What is causing all that swap? Is it because of the ...
1
vote
2answers
51 views

How to export list of hosts in Munin?

I have inherited a Munin installation and I want to make a list of all the monitored hosts. Is there a command or other way to export a list of all monitored hosts to CSV or XML?
0
votes
1answer
199 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 ...
1
vote
1answer
1k 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 ...
1
vote
1answer
89 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 ...
3
votes
1answer
1k 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 ...
1
vote
2answers
162 views

set — $(cat /proc/loadavg)

Hi I have a munin plugin that does this load_fetch() { set -- $(cat /proc/loadavg) cat <<EOF ...
1
vote
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 ...
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 ...
1
vote
2answers
118 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 ...
1
vote
1answer
992 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 : ...
2
votes
1answer
526 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 ...
1
vote
3answers
9k 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 ...
11
votes
2answers
315 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!
0
votes
3answers
428 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 ...
0
votes
2answers
265 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 ...