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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1answer
12 views

CentOS 7 /proc/net/ip_conntrack: No such file or directory

yesterday I must hard-reset my server and from the reset I can see the following problem in the munin-node.log: 2015/04/28-04:10:02 CONNECT TCP Peer: "[::ffff:127.0.0.1]:58663" Local: ...
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3 views

404 error Munin and Vestacp

So we are using VestaCP as our control panel for our clients hosting. I am having a small issue with installing and running Munin. The reason we want to use it, is because we want to track when MySQL ...
2
votes
1answer
18 views

Load average increasing along with firewall throughput

I've just pushed a large change to my backend code and I've noticed a massive increase in the load average in the few hours since the push. I looked at Munin for what the problem might be and I ...
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0answers
42 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 ...
1
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1answer
14 views

How to customize munin alert message text

So, I use munin to monitor a couple hundred servers and I love it. I am trying to tweak the alert text to look a little different however, and I'm not understanding how to get it to do what I want. I ...
0
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1answer
29 views

How to setup monitoring of nodes behind firewall

As lame as it may sound: I am trying to configure monitoring for our production system which consists of 2 hardware boxes with ESXi on both and multiple VMs. All of this is hidden behind a firewall ...
-1
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1answer
14 views

Munin: do not notify state changes to OK

Munin-limits seems to trigger notifications for any state change (OK->CRITICAL, OK->WARNING, WARNING->CRITICAL) bidirectionally. Is there a way to prevent Munin from notifying returns to "OK"?
0
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1answer
36 views

Aggregate disk usage with Munin

I want to aggregate a total disk usage in percent of all my nodes with Munin. Actually I tryed : [streaming;Disk-Space] update no contacts no disk.graph_title Total Disk usage in percent ...
3
votes
1answer
175 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 ...
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0answers
26 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 ...
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39 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 ...
2
votes
1answer
75 views

Munin not plotting all disks

I've inherited a fun munin set up, so this may end up being something weird. I've got a Windows Server 2008 server running "Munin Node For Windows". With the munin-server running on a separate linux ...
2
votes
1answer
305 views

SELinux: no audit errors but nginx permission errors

I try to isolate a SELinux problem with nging/munin. I see that error message in "/var/log/nging/error.log": [crit] 8802#0: *55 connect() to unix:/var/run/munin/fcgi-html.sock failed (13: ...
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0answers
60 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 ...
3
votes
1answer
148 views

Text in munin graphs corrupted

I'm having a problem in one of my servers, where munin is not able to write the text that accompanies each graph correctly. It is written as random squares, but I haven't found anything in the logs ...
0
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2answers
175 views

Export munin data, import it and rebuilt html and graph

I am trying to read data collected from a server to an other server. Reading Change a Munin server and keep the data seems show a way to do this. exporting rrd database using rrdtool dump importing ...
1
vote
1answer
348 views

Suspicious Linux binary file in /tmp/ - Munin?

I have a CENTOS 6.6 x86_64 server running ConfigServer Firewall (installed by us) and Munin (installed by the datacentre). CSF has recently (and for no apparent reason) started sending us warnings, ...
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0answers
10 views

Interpreting Munin's memory graph high committed memory [duplicate]

I'm trying to make sense of these munin graphs I'm looking at, but I'm not sure what they're telling me. My Ubuntu Apache web server is crashing semi regularly and I can't tell why, but the big thing ...
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0answers
69 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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68 views

Munin showing apache accesses per virtual host

I have different NameVirtualHosts defined in Apache2 running on debian wheezy. Munin is running and is showing me the apache accesses on "port 80". Every virtual host is writing its own log files and ...
0
votes
1answer
16 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), ...
1
vote
1answer
97 views

What to monitor (key indicators) on web and database server

I just installed Munin for monitoring my web and database server. I lot of plugins were included out-of-the box, but I could use some advice on which one is actually good key indicators to monitor. ...
4
votes
2answers
948 views

Munin not creating HTML files in Ubuntu Server 14.04

I have used munin in several servers and this is the first time is taking me so much time to set it up. When I telnet munin directly, I can list the services, there is no error at the logs and munin ...
1
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1answer
390 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: ...
0
votes
1answer
80 views

Munin reading apache graph

Do I understand / read Munin apache Graph correct that today aroung lunch (12:00) 9 Clients visited apache +- 50 processes were running at this time and the load was around 50K / s?
0
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1answer
295 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
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76 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 ...
3
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0answers
1k 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
30 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
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1answer
110 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
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1answer
26 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 ...
3
votes
1answer
619 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
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3answers
621 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 ...
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0answers
104 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
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1answer
178 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
115 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
115 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
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1answer
125 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
179 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: ...
2
votes
2answers
2k 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 ...
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votes
2answers
94 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
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0answers
382 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
240 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 ...
4
votes
3answers
196 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
112 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
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1answer
164 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
77 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
2answers
1k 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
100 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
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1answer
90 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 ...