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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What file should be the DirectoryIndex in Apache to properly serve Munin graphs?
This is probably going to be one of those of course! answers, but I've spent all night looking up tutorials and FAQs on Munin and can't seem to find the answer.
I have Munin installed, and I'm trying ...
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Intermittent munin-cron error “There is nothing to do here, since there are no nodes with any plugins”
We've installed munin monitoring on one of our servers. Generally it seems to be working well but occasionally, 4 times in 2 months to be exact, munin-cron has generated the following error:
[...
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785
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Munin: Service 'fw_conntrack' timed out
Since a few hours the fw_conntrack plugin in munin gives always timeout error.
It looks like the timeout is just because it took too much time to process, as it had happened a few times before in the ...
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295
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Why is the munin apache_activity plugin checking /server-status on a different server?
I have two web servers at different locations (let's call them WEB1 and WEB2) being monitored by the same Munin server. Today, I noticed the following error in the apache logs for WEB1:
[error] [...
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206
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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) ...
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VMstat explanation needed
can somebody explain me this graph please?
What does it show? What those green peaks mean?
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Interpreting munin graph and committed memory
I've been noticing that my server has been using swap a quite more often now but I can't seem to figure out why. The munin graph shows that the apps memory usage is about 0.7G out of the 1.5G. The ...
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Bash-Scripting - Munin Plugin don't work
i have written a munin-plugin to count the http-statuscodes of lighttpd. The script:
#!/bin/bash
######################################
# Munin-Script: Lighttpd-Statuscodes #
########################...
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Configuring the Tomcat Plugin of Munin
It would be great if anyone can share a working configuration for the tomcat_ plugin of munin. I need to monitor several tomcat instances on one machine.
So far I can't figure out:
which are the ...
2
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0
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munin-node installation on 10.7 OSX host
We've got a pretty good setup in house for using nagios + munin-node to monitor the various boxes.
having some trouble getting munin-node going on our first OSX server (10.7 mac mini server model)
...
user103333
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Munin stopped updating
today at 02:20 I noticed that suddenly Munin stopped updating its graphs. It is not showing blank data, the whole graphs are not being updated anymore.
I run CentOs 5.7 (64) and ive installed Munin ...
- 1,481
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Can someone explain the "use-cases" for the default munin graphs?
When installing munin, it activates a default set of plugins (at least on ubuntu). Alternatively, you can simply run munin-node-configure to figure out which plugins are supported on your system. Most ...
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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_<dev> (or link it there using
# ln -s), for ...
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How to monitor servers in different network using munin?
I would like to monitor some servers using munin, that are in a different network and are not reachable directly by telnet. I wonder what are the possibilities:
Can I install a central node in the ...
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'inode table usage' spiking every morning at 8am
I installed munin on my ubuntu server. It's showing my 'inode table usage' spiking every morning at 8am. It then rapidly curves down and settles over the course of several hours. What might cause ...
- 301
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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 ...
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apache server-status not found. check if mod_status is enabled
I've enabled the apache_ plugins on a munin node:
ln -sv /usr/share/munin/plugins/apache_* /etc/munin/plugins/
After restarting the node with service munin-node restart here are the errors I'm ...
- 3,563
3
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3
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11k
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Unable to add new munin node to existing munin master
I'm trying to add a node to an existing munin master (which I didn't setup but which seems to be working fine as it shows graphs for 8 existing nodes) and I'm having some troubles. Here are the steps ...
- 3,563
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4
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What metrics should I monitor on my Linux-server?
I've been tasked with setting up monitoring of 300 servers, doing different things. I've been looking at various tools, such as Nagios, Munin, and others - so I got a pretty good idea on how I can ...
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Pulling Server Stats for Remote Monitoring
I'd like to write my own server monitoring app. Ideally it could show stats like load, uptime, cpu activity, most active processes, memory usage by process, etc. What's the best way to grab that ...
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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 ...
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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....
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What does a jagged committed memory graph mean?
We've been attempting to debug load programs on our servers, and along the way we've been looking at some graphs, like this one:
(The white spaces are when the server got so hosed we couldn't collect ...
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781
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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 ...
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4k
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Munin graphing by CGI
I have Munin working just fine, but any time I try to do cgi graphing - it just stops graphing... no errors in the log, nothing. I've followed the instructions here: http://munin-monitoring.org/wiki/...
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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 ...
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Can't get IPMI sensor data
I have SuperMicro 1U 6016T-MTHF with Winbond WPCM450 BMC server. Here's my problem:
root@foo:~# ipmitool -I open sensor
FAN 1 | 8281.000 | RPM | ok | 400.000 | 576.000 | ...
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How do I get Apache stats into munin when proxied from nginx?
I have munin plugins for mysql and nginx working, but, I'm not sure how to get the apache plugin working (it's there, I just haven't setup apache yet).
nginx proxies requests to apache running django ...
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Force Munin email notifications only on status change, not on update
I got Munin to notify me with email if certain values goes above my thresholds. This works very well and I am happy with it. However, there is a small glitch. If any of my values is in critical or ...
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Munin email notification
I am trying to get munin to notify me via email. I have configured munin and it reports critical and warning values but no alerts are being sent neither is any script being called. Can you please help ...
Prashanth
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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....
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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 ...
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Munin's graphic about Interrupts and context switches through the roof
I realized that sometimes one of our servers monitored by Munin had a strange graphic of "Interrupts and context switches".
The server have a Xeon 5560 (8 cores) with 8gb of RAM.
At rush hour, the ...
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How to send report created by Munin to email once per week
I have a page with Munin reports and I want to send the email with graphs once per week on specific email. Any thoughts on how to achieve this?
Thanks!
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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 /...
- 524
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206
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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 ...
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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 ...
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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 ?...
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How to disable updates for a host in Munin but keep the historical graphs?
I need to disable updates for a particular host but I want to keep the graphs for historical data.
I've tried using update no on the host definition in munin.conf but that removes the host from the ...
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Munin cdef problem
I'm getting nuts writing a simple plugin to query my ehcache statistics. Look what i have so far:
$ munin-run ehcache
standardquerycache_cachehits.value 1779609
standardquerycache_cachemisses.value ...
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How to configure Munin to montior Microsoft SQL Server 2008
Is it possible to configure Munin to montior Microsoft SQL Server 2008?
On Windows 2003 Server.
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How to monitor HTTP response error codes from nginx using munin?
I'm beginning to use Munin to monitor an in-production Nginx server. One thing I'm particularly interested in graphing is the rate of errors--HTTP responses with codes in the 50x range. I'm wondering ...
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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 ...
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211
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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....
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Collectd agent, Munin master
For monitoring and graphing of servers and services, I would like to make a setup where collectd is the agent, collecting the data on the server, and munin is on the monitoring server, collecting the ...
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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 ...
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Munin Aggregate Graphs from several servers
I am using DNS round robin load balancing and have divided my total traffic onto multiple servers. Each server does around 300-400req/second but I am interested in having an aggregate graph telling me ...
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463
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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 ...
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Best plugin for tracking Apache response codes with Munin
I'd like to monitor the rate of 404, 403, 500 etc errors in my Apache logs with Munin but I can't find a plugin to do this. Surely it exists?
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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?
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