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Questions tagged [munin]

Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems.

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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Multiple munin-nodes per machine

I'm collecting statistics remotely through JMX. The munin JMX plugin allows you to select an URL to connect to when aggregating statistics. This allows me to collect statistics from hosts which do not actually have munin-node installed. I find this…
Alexander T
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Munin graphs are broken

My munin graphs all of a sudden display n/a I tried removing the RRD files, but they still display n/a. I've run munin-check and it says it's ok. How do I reset munin or what can cause this behavior?
Lucas Kauffman
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Short write and read speed disk benchmarking

We're using cloud hosting for some of our backend servers and we noticed that performance on the disks (which as confirmed by the provider are shared with other customers) vary depending on the time/day of the week. We would like to find out how…
Max
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Munin: Graph not plotting one label

I have set up munin to monitor EC2 instances. Now my CPU usage graph (using the unmodified cpu plugin) looks like this: The problem is that the "iowait" parameter is returned correctly (see text below the graph), but it is never plotted. On other…
j0nes
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Server management tool for small network

What would be the right management tool for my network? I take a look on Cacti, Nagios, OpenNMS, Munin & Monit ... but I'm not sure which will be the best direction. I prefer something that will out of the box cover much as possible. I need to…
Nenad
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Nagios (or a similar tool) with more variety in alert levels?

I'm looking at monitoring and alerting for some of our business metrics in a web app (pageviews, signups, etc). We already use Nagios and Munin for a wide variety of server monitoring and alerting cases, which is why I've started there. I could…
Travis
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Munin isn't showing graph history

I'm setting up my new Ubuntu 10.04 server and installed munin to view my machine's stats. It was working for a while, then I changed a couple of things (PHP spawn-fcgi to PHP FPM, reinstalled nginx) and now the graph history doesn't work. I can see…
mr_schlomo
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VMstat explanation needed

can somebody explain me this graph please? What does it show? What those green peaks mean?
Worker
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Munin quota usage

I'm trying to get Munin to report quota usage but it's not working. On top of quota_usage_ it says: # Usage: place in /etc/munin/node.d/quota-usage_ (or link it there using # ln -s), for example quota-usage_hda3. Use underscores instead of…
pix2D
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How can i enable telnet on ubuntu 10.4

I am trying to telnet from host 10.0.1.91 (centos) to host 10.0.11.162 (ubuntu). When I try to connect to the Ubuntu host, I get: telnet 10.0.11.162 4949 Trying 10.0.11.162... Connected to a.b.c (10.0.11.162). Escape character is '^]'. Connection…
kamal
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nginx + munin "internal redirection cycle"

I have an SSL domain that runs nginx, and I want to be able to access my munin graphs/stats on that domain. So, in the domain's server block, I added this: location = /munin/ { alias /var/cache/munin/www/; } Theoretically, I…
squircle
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munin-node in openvz-container not reachable from host-system

I have a problem figuring out why my openvz-container is not reachable from the outside (host-system) on port 4949. netstat in the container: [root@openvz ~]# netstat -utapn |grep 4949 tcp 0 0 0.0.0.0:4949 0.0.0.0:* …
m_sc
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Add marks at specified times on a Munin graph

I want to mark some events on my Munin graphs to see how the graphs change at these points. It seems that in RRD terms they can be created by VRULE command, but I can't find a way to use it with Munin. Essentially I want to pass a list of…
wRAR
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Munin Aggregate Graph

I am trying to aggregate munin graphs (http://munin-monitoring.org/wiki/aggregate_examples) for my nginx_request plugin (http://exchange.munin-monitoring.org/plugins/nginx_request/version/2) The configuration I have is: [lb1.domain.com] address…
Sparsh Gupta
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Problem: Munin Graph

I've been trying to install Munin for 15 days, I looked for information, analized logs, I even deleted and reinstalled Munin using YUM. I'm hosted at Media Temple on a VPS with CentOS. The problem is still there and It's driving me nuts. Graphics…
Pablo
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