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.
330
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How do I change, sort, add, remove graphs with Munin?
To keep an eye on what's happening with our production servers I recently discovered Munin. It was trivial to install but I'm having a lot of trouble working out how to add/remove graphs.
I found ...
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How to bind munin to use a vhost or port number?
Currently I'am able to access my munin setup using the default url. www.mydomain.com/munin
For security reasons, I want to only allow Munin to be access using port number.
Like this
http://www....
- 93
0
votes
0
answers
2k
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Munin not working, error message
Munin does not show any graph... When I make munin-update I have this error:
/usr/share/munin/munin-update
2014/02/15 10:53:43 [ERROR] config error under [amavis] for 'group adm' : Parse error in /...
4
votes
4
answers
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Stop Munin messages from /var/log/syslog
I am using munin on a system which is adding a log entry in syslog everytime the munin-node cron job executes. It is not an issue but it sometimes makes other errors spotting difficult. There are ...
- 432
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Why does this iptables config prevent munin from working?
I have created an iptables config which I thought that I understood, however it seems to be preventing munin from generating graphs and I'm not sure why. If I disable iptables, munin will generate ...
9
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6
answers
17k
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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 ...
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5
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4
answers
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Munin on Centos 6 - missing perl MODULE_COMPAT_5.8.8
I'm trying to install Munin on a new VPS through yum install munin but I keep getting an error about a missing perl module: Requires: perl(:MODULE_COMPAT_5.8.8). This is the perl version currently ...
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1
answer
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Munin : aggregate network traffic
I have a default configuration of munin-node on 3 of my servers, and I would like to create a summary chart that displays total output bandwidth.
Here is what I have done minin.conf :
[example.com;...
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181
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Munin: make plugin output depend on querying master
I have a Munin supersampling plugin which returns high resolution data (sample rate of 1 second). The node offering this plugin is queried by two Munin masters, one of which is a version 1.4 instance ...
- 3,146
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Munin - 'by week/month/year' to use the total, rather than the average values?
I have some custom munin graphs that measure an aspect of our sales in our webapp. So I measure "Number of sales so far today". The graph goes up and then reset to 0 at midnight. This is what I want. ...
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381
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Munin graph Disk IOs for /dev/sda k unit interpretation
From Munin diskstats plugin Disk IOs for /dev/sda graph shows Max IO/sec -read/+write 1.75k/920.92.
What does the k unit in Disk IOs graph mean?
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514
views
How to query a munin plugin via netcat?
I want to query a present Munin plugin from Nagios. As I would like to do some calculations and aggregations (the plugin reports data over a period of time) and not just look at the last values, the ...
- 41k
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1
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394
views
Alert if munin-master contact node
I have installed munin on one of my servers, and munin-node on another server I wish to monitor. I would like an alert if for any reason the node can't be contacted by the master. Is it possible to ...
CommunityBot
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288
views
munin-node send data to more than one master?
I'm in the process of making everything on our server setups redundant, and so comes the monitoring.
We have one virtual machine acting as munin master and all other virtual machines are munin nodes (...
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Munin disable dynazoom.html
Doing a quick google search for "Munin dynazoom.html doesn't work" yields many results. There doesn't seem to be a solution that works -- at least not that I have seen. I have munin installed on a ...
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1
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Munin UNKNOWN spamming
By adding unknown_limit 50 to munin.conf I've been able to drastically decrease the number of emails I receive from hosts that generate an otherwise acceptable level of UNKNOWN values. The problem is ...
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Linode Munin Nodes
I have 3 servers in Linode. All of them are configured with private lan network. All 3 are able to ping each other. I have install a Munin master server in one of them and Munin node to all of them.
...
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3
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How to export munin raw data to CSV?
I'm monitoring my Debian GNU/Linux server with Munin monitoring software. I was wondering whether I could export the raw data used to generate Munin charts?
I want to do some in-depth statistical ...
1
vote
2
answers
2k
views
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 ...
CommunityBot
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2
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Munin throwing errors with fresh install
I just installed munin on a fresh ubuntu system, munin node throwing the following errors:
2013/01/30-21:10:02 CONNECT TCP Peer: "[::ffff:127.0.0.1]:39316" Local: "[::ffff:127.0.0.1]:4949"
Use of ...
CommunityBot
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1
vote
0
answers
141
views
Munin Interpretation - Server Limits
I've installed Munin to monitor my debian (squeeze) webserver (2 x Intel Quad Xeon 4x2.66GHz, 16GB RAM, 2x1000GB HDD Raid). There are around 50k visits per day.
The scripts are very simple and there ...
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Munin with postgresql 9.2
I am trying to set up Munin to collect stats on a server with postgresql 9.1 and 9.2 (the server is currently running 9.1, have tested on a fresh VM with 9.2 to rule out some weird problem on the ...
CommunityBot
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1
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I have setup munin how do I set up alerts for specific parameters
I have setup alerts in munin.conf
contacts user1 user2 user3 user4
contact.user1.command mail -s "Munin notification" [email protected]
contact.user2.command mail -s "Munin notification" mailid2@...
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Monitor Nginx response time with munin
Well, nginx is configured to put $request_time in it's access logs. Now I need to monitor this parameter with munin.
Is there any existing plugin to do this?
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273
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Using munin for server monitoring
I want to use munin for monitoring my VPS servers. I'm just interested is it possible to use it without apache installing? So is it possible to install only munin-node on each node I want to monitor ...
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2
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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 ...
CommunityBot
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2
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1
answer
809
views
"sudo: no tty present" for munin plugin using password-less sudo
I am writing a plugin for munin to monitor something on our Ubuntu Linux server (which is on Amazon EC2). The plugin requires running a programme /usr/sbin/rabbitmqctl via sudo.
I have the following ...
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381
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How to determine if you need to upgrade memory?
My CentOS server's munin graph shows high swap, but the amount of apps memory seems low. Does this still mean I need to upgrade my memory? What is causing all that swap? Is it because of the committed ...
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471
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How to operate the plugin of munin membyuser?
I can not run this plugin membyuser
The graph is not shown
eg screenshots
munin-node is configured as follows:
/etc/munin/plugin-conf.d/munin-node
...
[membyuser]
env.USERS user1 user2 user3 user4
....
- 348
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vote
2
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95
views
How to export list of hosts in Munin?
I have inherited a Munin installation and I want to make a list of all the monitored hosts. Is there a command or other way to export a list of all monitored hosts to CSV or XML?
- 3,146
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249
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munin fw_conntrack going bananas after dist upgrade to debian wheezy
after i upgrade from squeezy to wheezy munin began doing sth weird.
it seams as if it only keeps adding the numbers and does not show the current value but only the cumulative values...
by the dist-...
- 7,760
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3
answers
767
views
Passively monitor IO wait spike on process level
We use munin and monit to keep track of general stats about our vps, in last a couple of weeks, we have been running into issues where random IO wait spike is killing our server performance.
Since ...
CommunityBot
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1
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How to set up HTTP authentication to Munin?
Today I installed and configured Munin on my server. I didn't like how it shows all those graphs without having any login system nor authentication. Is there a way to set up an authentication to Munin?...
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382
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munin aggregate graph problems
Munin is driving me crazy. I'm trying to get an aggregate graph working. Here is my conf file:
[Mydomain;machine-1]
address xxx.xxx.xxx.xxx
use_node_name yes
[Mydomain;machine-2]
address xxx.xxx.xxx....
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How to make munin graph (derive or counter) not per second?
I have values:
10:00 - 505
11:00 - 507
12:00 - 510
13:00 - 525
and i want get graph:
11:00 - 2
12:00 - 3
13:00 - 15
but have per second(munin run every 5 minutes):
11:00 - 2/300
12:00 - 3/300
13:...
- 3,146
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1
answer
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views
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?
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1
answer
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Munin in a subdomain using Apache Virtual Host
I'm trying to install Munin in my server and configure the web interface to work in a subdomain. I've configured the subdomain stats.mysite.com and created the file /etc/apache2/sites-available/stats....
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set -- $(cat /proc/loadavg)
Hi I have a munin plugin that does this
load_fetch() {
set -- $(cat /proc/loadavg)
cat <<EOF ...
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1
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573
views
How can I debug why Munin won't talk to Nagios?
I've followed the instructions to connect Munin to Nagios. NSCA is installed, echo -e "foo.example.com\ttest\t0\t0" | /usr/sbin/send_nsca -H localhost -c /etc/send_nsca.cfg works when run as the ...
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Any way to get munin plugin output to dstat?
The two tools are great with plugins and many available out of the box metrics.
I was wondering if there is a way to get output of munin into dstat or a similar tool (real time output vs munin's ...
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views
How do I configure munin to show separate graphs for virtual hosts on a single server?
I have a machine with several virtual hosts. How do I configure munin and munin-node to break up the network traffic/bandwidth by virtual host?
i.e. vhost1.example.com, vhost2.example.com where both ...
- 6,230
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configuring munin-node for nginx
I am deploying munin to monitor my production ubuntu aws ec2 instances which is running on nginx. Now I wanna deploy munin-node in the production system and deploy munin-master in the another aws ec2 ...
- 126
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2
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433
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PHP scripts time out but regular pages are snappy
I'm having a strange issue with nginx and PHP-FPM. I have a server set up to serve downloads for my website. It's not very beasty, it's only a Celeron G530 and 4GB of RAM, because of this, I'm running ...
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Munin Apache graphs have disappeared
I'm running Apache2 and Munin on Ubuntu 12.04. All of my Munin graphs are showing up fine (cpu, memory, etc.), except for the Apache graphs.
The Apache graphs were working at one point, which you ...
CommunityBot
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3
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Munin "Available entropy" when using address space layout randomization
Having just configured Munin for statistics logging on my gentoo server (hardened profile), I am noticing that my "Available entropy" is consitently in the 200-300 range. This seems way to low, so I ...
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Munin does not show Apache/mySQL stats in web view
I'm facing a very strange Problem. I just set up Munin on a fresh Ubuntu slice with a common LAMP Stack.
Everything works great, except that Munin does just not show the Apache/mySQL stats in the web ...
CommunityBot
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1
answer
278
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How to monitor a remote Postgresql Amazon EC2 database through Munin?
How can I monitor a remote postgresql database on Amazon EC2 using Munin? I would like to graph the number of reads, writes, and total database operations.
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340
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configuring Munin for Nginx 1.2.4 on ubuntu 10.04 ubuntu ec2 instances
I am running my ruby on rails app ubuntu 10.04 ec2 instance and I am using nginx 1.2.4. I am trying to configure munin to get stats fron nginx, I have recompiled nginx and its working fine but I am ...
- 6,230
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1
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141
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Graphing data in munin, need to ignore already seen values
I am trying to graph how many ms a REST command is taking. The command is issued many times a minute. Here is the plugin that I wrote:
#!/bin/bash
#
# Collect stats for the timing of recommendations....
- 163
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votes
3
answers
3k
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Avoid Apache's mod_status being exposed by Varnish
An Ubuntu 9.04 box running Apache on 8080 and Varnish on 80.
Recently set up Munin and was wondering why Apache graphs are empty. Saw from the logs that Munin is accessing /server-status?auto and ...
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