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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.

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9 views

Munin after update to 2.0.44 not drawing zoom graphs and showing localhost twice

I recently update Munin version on centos7 and zoom graphs not working anymore correctly. And i noticed in web console in section GROUPS that there is localhost link twice.I tried numerous workaround ...
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1answer
31 views

Drilling down in graphs to see individual processes

Are there any system monitoring tools like Munino or Observium, where you can drill down in a graph to see individual processes? Like say if there's a graph of CPU usage, is it possible to click on ...
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1answer
201 views

munin monitoring cpu usage - add new group [closed]

The graph under System > CPU usage Is it possible to add new groups/curves? I would like to see how much CPU both PHP and Mysql consume each
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3answers
1k views

lm-sensors how to properly set/compute only min/max read only values?

I have a (very old) computer (with an ASUS A8N-SLI DELUXE motherboard and an AMD Opteron(tm) Processor 180) that I monitor with munin, and the Vcore Voltage as read by lm-sensors is always in a ...
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1answer
533 views

How to use munin ping_ plugin to track packetloss

ping_ does not provide any graph (graph no in config) but it provides value, that could be used to trigger critical and warning levels. In munin.conf I have ping_.packetloss.warning 20 and in plugin ...
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0answers
788 views

munin phpfpm plugin

I have setup PHP-FPM plugin All graphs works except three PHP5-FPM Average Process Size PHP5-FPM Memory Usage PHP5-FPM Processes setup /etc/munin/plugin-conf.d/munin-node [phpfpm_*] env.url http:/...
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1answer
540 views

Munin mysql plugin silently fails

I installed this Munin MySQL plugin on a RHEL 6 machine and I'm experiencing a strange behavior. I'm not getting any data in the Munin web page (the Categories list does not show a mysql link), but ...
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0answers
135 views

Monitoring mysql with munin - worse MySQL performance?

If I monitor my MySQL server with munin, can I envisage with worse MySQL performance? When I want to activate statics as an example in PHPMyAdmin it says that the MySQL performance can be inferior as ...
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1answer
662 views

Is it possible to monitor JVM usage of Elasticsearch via Munin?

I'd like to use Munin to monitor the status of the JVM used by Elasticsearch, which is run via Java (output of ps follows): elastic+ 1083 1 3 09:29 ? 00:13:23 /usr/bin/java -Xms8g -Xmx8g ...
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1answer
252 views

Munin plugins for Elasticsearch v2.x

Are there any Munin plugins available for Elasticsearch v2.x? I know that there are some for v1.x but these are not compatible with v2.x.
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1answer
327 views

Munin stopped sending email alerts

To check whether Munin email notifications are still functioning, I have changed temporarily the "warning" and "critical" threshold to a very low value, and restarted the munin-node service. To my ...
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1answer
3k views

Very high I/O wait time on KVM virtual machine

Debian wheezy AMD64, 3 cores, 2560mb ram (virtual machine). 1 virtual drive on ext4, running on KVM. I decided to move it from raw to qcow2. Everything is ok and everything was going ok during ...
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1answer
828 views

Why is the config file in /etc/munin/plugin-conf.d/ ignored?

I have a Munin script /etc/munin/plugins/mysql_replag that queries a MySQL server to check the status of a master-slave replication: #!/bin/sh # Plugin to monitor the Seconds_Behind_Master of ...
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2answers
1k views

Nginx and Munin via CGI, no CSS, no graphs

I'm new to Munin and Nginx. I've installed and configured Munin and created a Nginx server block. I can see the index page generated by munin, listing the different nodes. But when I click on a host ...
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0answers
1k views

How to check easily the munin alert-email-notification?

I run the munin monitoring application on my debian Wheezy server and I would like to test the alert-email-notification procedure. To do that, I add in munin.conf the following line: df._home.warning ...
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1k views

Why isn't munin's apache_accesses report accesses?

I have the ExtendedStatus enabled: $ grep ExtendedStatus /etc/apache2/mods-available/status.conf:ExtendedStatus On But the "munin suggest" says it's still off: root@SERVER:/etc/apache2# munin-...
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1answer
744 views

munin is not showing all Ethernet ports

I have an Ubuntu 12.04 running on a VmWare ESXi. I'm trying to run munin on the Linux system to show the status of the system. But in the network tab of munin only eth0 is shown even though ifconfig ...
2
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1answer
256 views

Munin doesn't show new host when using munin-cgi-html

A few months ago, I switched from running Munin in static munin-cron mode to dynamic munin-html-cgi mode, but now when I add a new host to monitor it, it doesn't show up in the generated HTML, even ...
3
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0answers
432 views

monitor running services and ports

What is the best way to monitor running services and ports on a system with systemd? My intent is to alert me, when a service stops running or if a new service is listening on a new port (possibly a ...
5
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3answers
10k views

How to disable DNS caching or override TTL for a certain hostname?

I've set up my own dynamic DNS service by using a script to automatically update the A record for a subdomain of one of my domains. The host with the dynamic IP address runs, among other things, a ...
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2answers
3k views

Error 404 Munin page not Found

I installed Munin and munin-node on Server and httpd was already installed. But after installed when i run the munin-node the Browser gives me this error. Not Found The requested URL /munin was not ...
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3answers
6k views

logrotate doesn't work for munin after last update on OpenSUSE 11.4

I'm using munin 1.4.5 on OpenSUSE 11.4. Lately logrotate was updated to fix some permission problems and after that complained with Mar 3 12:15:05 lucien logrotate: error: "/var/log/munin" has ...
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3answers
3k views

How do you choose which monitoring application to use?

Having a system for collecting performance statistics can be extremely useful. In the past, I've used Munin for this, and it has been invaluable in analyzing bottlenecks and various other issues. I ...
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3answers
1k views

How to track down memory spikes?

I have an app running on rackspace cloud (ubuntu 10.04). For some reason, over the last 3 nights, the memory has been spiking and then leveling off for about 7 hours before eventually falling off. ...