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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.

331 questions
48
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4 answers

Munin vs Nagios

We're currently using Nagios to monitor about 20 Linux machines (services and functional links). I just find out about Munin and I wonder if this is a Nagios replacement, or it can be used together with Nagios? I don't want to spend hours setting it…
Milan Babuškov
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5 answers

How to reset munin graphs

I'd like to reset all graphs for a certain host in Munin. Anyone who knows how I can do this?
Ztyx
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24
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2 answers

what does the 'm' unit in munin mean?

I'm using munin as a tool for monitoring my servers. On some of the graphs, the units are marked with a 'm'. For instance, my apache accesses graph is labeled 100m, 200m, 300m, along the y-axis. What does the 'm' mean? I understand 'M' (caps) is…
nbv4
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15
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2 answers

Change a Munin server and keep the data

We are migrating some servers, and we need tp change our Munin server. Most of the Munin nodes are not changed, and we would want to keep track of the historical data, if possible. I can set up a new Munin server, but I like to know if it's…
Khelben
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13
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1 answer

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 concern I have is the green line (committed memory).…
lamp_scaler
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12
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6 answers

Nginx Munin plugin shows no data

I would like to monitor NGinx stats through Munin but the Nginx plugins show no data. Is it possible to diagnose why only one of the munin nginx plugins seems to be working? The server runs on CentOS 5.3
Miko
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11
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1 answer

Munin Postgres plugins: DBD::Pg not found

I'm trying to activate some of the Postgresql plugins for Munin. When I run munin-node-configure --suggest | grep postgres I get the following output: postgres_bgwriter | no | no [DBD::Pg not found, and cannot do psql yet] postgres_cache_…
benwad
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10
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2 answers

How to mark every deploy in munin?

Anyone knows if it's possible to mark every deploy with a red vertical line in munin graphs? It will be great to debug possible performance holes in the code. Thanks in advance!
Simon
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9
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1 answer

Can Munin be configured to display hourly graphs?

By default, Munin (I’m using 1.4.5) shows graphs for the day, week, month, and year. Can I configure it to additionally display an hourly graph?
Abraham Vegh
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9
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1 answer

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 of these plugins plot straight-forward data. My…
exhuma
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9
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6 answers

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 getting: $ munin-node-configure --suggest 2>/dev/null |…
Max
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9
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2 answers

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 overview etc. This isn't quite what I was…
Andy Madge
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9
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2 answers

Munin graph size

Munin graphs is very small. That makes some multigrpahs useless for me. Is it possible to increase graph image size?
John
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9
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6 answers

Nagios graphing solutions vs Munin/Cacti/Ganglia

I've got a nagios server setup for monitoring ~ 30 Windows servers. I want to add some trending charts. I've read that nagios graphing plugins are simple and many people use seperate, standalone charting/trending tools. What are the restrictions of…
sumek
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8
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4 answers

munin + nginx: no dynazoom into graphs

I cannot get the Munin dynamic zoom to work. I am rather certain that the problem has something to do with the Nginx configuration. Any attempt to generate a zoomed graph triggers the following error entry in the nginx log: 2015/02/22 13:26:01…
aag
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