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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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Trying to move munin master from one debian server to another

I am trying to move munin master node from one debian server to another and preserve the history graphs, how could I proceed (maybe someone can write the instruction on munin wiki website). Regards, Jan
Jan Prunk
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Disable graph_total in Munin Graphs

Is there any way to disable the graph_total for a Munin graph? For example, the apache_processes plugin generates a "total" line that becomes meaningless when there are multiple ports monitored. I'd like the "total" line to not be graphed. I've…
rjk
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Munin node not listing any plugins on new Fedora 14 installation

I have just installed munin-node from the base repo on Fedora 14 and then started it. I found that my munin server is not able to collect data from this node so I tried connecting via telnet to test. When connecting via telnet I see that no plugins…
Dave Forgac
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Getting Pango-WARNING: Invalid UTF-8 string passed to pango_layout_set_text()

About three days ago, I noticed the exim mailqueue started filling up on one of my servers, and upon inspecting some of the emails using # exim -Mvb $ID, I noticed they were being sent to some system email address (which is not a real address), and…
geerlingguy
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munin graph interpretation

I have a quick question. The following mysqlslowquerys / second graph marked 3 entries last day. http://img8.imageshack.us/i/picturert.png/ how do you interpret the peak legend? Is the peak ~3 miliseconds or ~3 minutes? Am asking this because "avg"…
cmancre
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Will running RRDtool or Cacti slow down my servers performance?

I'm consider running some performance profile tools like Cacti for my server, but I'm concerned that running RRDtool or Cacti slow down my servers performance? Is this a valid concern for me? Or rather, how can mitigate this? Can I run the profiling…
JP Silvashy
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How much memory can I safely assign to memcached?

I'm looking into using memcached on our server. We've just upgraded and now have a fairly powerful box: DELL PowerEdge R710 Linux RHEL 5 - 64bit 12GB RAM (We used to be on a 32bit 4GB box). The problem is I am confused by how Linux actually uses…
Jon M
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Munin - apache_watch_ plugin, does not show any data in the graphs that shows activity for per vhosts

I am using Munin for monitoring my server. I installed the apache_watch_ plugin so that i could see apache related activity. The graphs for apache_accesses, apache_processes and apache_volume work fine. But the graphs for Apache Documents served,…
ovais.tariq
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Does Munin HTML output directory gets regenerated if I remove it?

I've made lots of changes in my Munin server, specially regrouping the different monitored servers. Same way I've already moved the .rrd files to the /var/lib/munin directories with the new layout. However I was wondering if it's possible to…
Leandro López
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debugging spiking netstat "failed connection attempts" with iptables

http://farm4.static.flickr.com/3305/4588110530_a60c934289_o.png This graph is munin collecting netstat -s output. I want to determine where the connections are coming from. There is nothing obvious in wireshark dumps. It's been a while since I've…
someara
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Munin-cron fails "Nothing to do", possibly a munin.conf problem?

I have been working on this for a few hours now, and haven't yet been able to get munin to output the html files/generated graphs of resource usage on my CentOS 5.3 server. Here are some things I run as the munin user, and the…
geerlingguy
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What does the irqstat graph in munin represent?

What does it mean for this munin graph of weekly irqstat to suddenly go crazy like it does -- is it bad? What are local timer interrupts?
Silas Snider
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Use of uninitialized value in numeric eq (==) at /usr/share/perl5/Net/Server/Fork.pm line 168

On my new Debian Bookworm, the file /usr/share/perl5/Net/Server/Fork.pm generates an error in logs each time Munin calls it. The error logged is "Use of uninitialized value in numeric eq (==) at /usr/share/perl5/Net/Server/Fork.pm line 168." In…
Dom
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munin-node worked fine, now "start operation timed out"

I have had munin-node running successfully on my machine for a while, but since recently it won't start anymore. There is no munin-node log for me to check, and systemctl status munin-node does not give a lot of helpful information…
Energya
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How to aggregate Munin's interface traffic graphs?

My goal is to aggregate Munin's interface traffic graphs into one stacked graph for quick overview over the traffic across all servers. This is the an example of an individual graph, I want to aggregate alongside other graphs of the same…
burnersk
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