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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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Munin CPU usage graph doesn't go all the way to 100% on a busy VM

We've noticed that our Munin CPU graphs look a little odd on VMs that are quite busy. VM is running Ubuntu 8.04, VMware tools up-to-date and running, host is VMware ESXi 4.1.0 build 348481. This is from a physical server: This is from a VM: Notice…
ThatGraemeGuy
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How to read the scale of the munin monitoring system, tomcat accesses by day graph

The tomcat accesses by day graph in munin has a y axis that shows "accesses / second", and currently shows "66 m". It can't be 66 million accesses per second, a single server couldn't return that quickly. Also, tomcat is configured to sit behind…
Edward Ross
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CPU (or Memory/etc) plugin for Munin and Mac OSX?

I install munined on Mac OSX, however there is no CPU or Memory or very basic plugins installed. On the system /opt/munin/lib/plugins it has lots of advanced plugins like apache or bind9, but nothing for the basics. What could be going on?
Amandasaurus
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munin monitor ssh tunnel traffic stats?

Attempting to generate a traffic graph to monitor tunnel traffic between two vps'es. two servers: 111.111.111.111 & 222.222.222.222 111 is an app server, 222 is a db server. Proper iptables rules are in place to allow 111 & 222 to communicate. I…
jimg
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Munin does not connect to SNMP service on Windows 2008r2

I'm using this tutorial to configure SNMP on my Windows server and Munin on my Linux server: http://munin-monitoring.org/wiki/Using_SNMP_plugins. SNMP on the Windows server works fine, I have checked that with the snmpwalk tool on Linux. When Munin…
Marthijn
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How to setup Munin permissions?

I've just installed munin on my CentOS server but I can't get it to output anything to the html directory I set in /etc/munin/munin.conf htmldir /home/mydir/munin In /var/log/munin/munin-graph.log I get errors like: 2011/09/23 12:35:30 [RRD…
Mark Robinson
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Installing Munin on Centos 6

I've hit problems installing munin on Centos 6. This seems to be a conflict between parts of Perl. I think the version of Perl is newer on Centos 6 (v5.10.1) When installing munin via yum I get errors relating to perl dependencies as below. I'm not…
justinhj
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Disk IOs spikes at set times in CentOS

I recently installed Munin on my servers. Now 2 of my machines show big spikes in DiskIO at the same time, everyday at 4am. I run Centos 5.6 (64bit). I've checked my cron logs, and I have no personal scripts running around those times. Also, my…
Mr.Boon
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If a Munin plugin fails, nobody gets notified. Why is this so?

I've built a bunch of munin plugins that monitor various back-end services. If the metrics dip below thresholds set in munin.conf, we're notified by email. However, if one of these services goes down completely, the plugin will fail and nobody gets…
a paid nerd
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Why is my munin plugin being double executed (concurrently)?

I have a custom made munin plugin that currently is being executed twice every time $ ps fax 16844 ? Ss 0:00 /usr/sbin/munin-node 18206 ? S 0:00 \_ /usr/sbin/munin-node 18863 ? Ss 0:00 | \_ /bin/bash…
Ztyx
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is there any problem with my server

Below is a Munin Service Monitor screenshot for netstat by day which have a lot of failed connection. so I need to know is this a serious issue?
Prakash
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How can I use munin-node apache_ with basic authentication?

munin-node-configure --suggest tells me that the apache_* nodes cannot be used: apache_accesses | no | no [Port 80: Authorization Required] apache_processes | no | no [Port 80: Authorization Required] apache_volume …
berkes
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VPS (LAMP) Runs out of memory every so often

I have a VPS on CentOS 5, running LAMP. Twice now in the last 3 months the server has had to be rebooted due to being out of memory. Downtime ends up being an hour, before someone can look at it. I have munin running to create some graphs, and am…
joelhaasnoot
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Munin access to MySQL

According to several tutorials, the following should work: Create a new user in MySQL. $ mysql -uroot -p > CREATE USER 'munin'@'localhost'; > exit; Use that user in munin to access the database: edit /etc/munin/plugin-conf.d/munin-node. At…
berkes
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Installed Munin on CentOS, but it does not generate data

I've installed Munin on CentOS, in Munin directory, it only has a few files and I could not see the website data. The Munin log shows the connection to 127.0.0.1 was refused. I have tried to disable iptables and it gives the same error. Error…
garconcn
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