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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.

330 questions
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Munin server can't connect to node

I want to add a new node running CentOS 7 to be monitored by my munin server (CentOS 7), but it cannot connect to it. It connects to my other nodes (also CentOS 7) just fine, and is able to ping the new node in question: [root@australium ~]# ping…
Energya
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Munin Mysql plugin and notifications

I can't figure out which trigger I could set in order to send an automatic notification in case mysql server stops by any cause (mem fault or whatever) Most of the triggers I've found are only related to status within the mysql processing not status…
SirLouen
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munin plugin with broken graph

I've modified this munin plugin so that it tracks multiple values on the same graph. The symbolic link file name in my case is ipt_accounting_mail_web. Its purpose is to track both web and mail traffic, and I added the needed iptables rules and…
Lucio Crusca
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Munin-Graph for "eth* traffic" gets into negative values

I've installed an configured Munin on one node and munin-node on three nodes at digitalocean. First I got the issue that eth0-traffic graph was enabled but not generated - for this I found this patch:…
NoPoday
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Munin master cannot trace data from munin node

I'm new to Munin, I followed the tutorial on digital ocean to install munin master on a debian, and then a munin-node on another server also under debian 8.9. Munin master is working perfectly, from master I nmaped the munin node server on the 4949…
Yvon Huynh
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Enabling munin-agent throught Windows Server Firewall

I installed munin-node on some servers and so far they seem to be working pretty nicely. However since I was asked to install the munin-agent on a Windows Server 2012 R2 I'm having some problems. Well, from the beginning. I downloaded the munin…
Rodrigo Sousa
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Munin stopped working after rebooting the server

Munin stopped working after rebooting the server. When I try to run, it gives: Unit munin-node.service entered failed state. munin-node.service never wrote its PID file. Failing. Failed to start Munin Node. And this: Active: failed (Result:…
Dmitry Maslennikov
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Munin not sending email alerts

I am new to Linux. I have installed Munin and setup email alerts, but no alerts have been generated. Can you please help me? Here is part of my munin.conf config: contact.sha.command mail -s "Munin notification - ${var:group} :: ${var:host}"…
Daud Zeb
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Graph data which is only generated once a day or a week?

I'm wondering what would be a smart solution to graph a data which is generated once a day or once a week. More specifically, I'd like to graph e.g. how long the last Solr optimization has run, how many digest emails I generated from my application,…
mark
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Page load time increased 7 times after Debian update 6 to 7

I updated Debian 6 to 7. After update HTTP page load time graph (Munin) increased from 0.1 to 0.7 seconds. What could be the problem? What could break and need to check? Thanks! Munin - HTTP load time of a page graph
user451555
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Munin plugin does not have access to nginx logs

I want Munin to graph nginx error codes, so I tried a couple of plugins I found: A Bash script: https://github.com/munin-monitoring/contrib/blob/master/plugins/nginx/nginx_error A Python script: https://gist.github.com/eykd/1107061 Both of them…
fulv
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Server unresponsive: Is it Munin?

We have a dedicated machine that mostly serves as a webserver. It is running Plesk for several domains, our webservers and the munin central node that is connecting to around 10 other machines that run munin-node. Today our server got unresponsive.…
rewb0rn
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Get server stats by user

I run a server with centos, ispconfig, about 100 websites on it. It occasionally gets high load, but I have no real way to pinpoint whats causing this. I really want to see stats of hits/cpu usage per user/website (each site has its own user). This…
anarki
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Munin and mysql plugin

I've installed munin on a vps and I want to monitor mysql usage of 3 mysql servers, I have configured mysql_ plugin as follow: [mysql_*] env.mysqlconnection DBI:mysql:mysql;host=mysql1.neocrafters.com;port=3306 env.mysqluser status …
MacFresno
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CPU Load on Virtual Machine

This picture shows the CPU Usage of a Debian 8 installation running on a Virtual Machine (VMWare ESXi). I'm wondering about two things here Why doesn't the usage sum up to 200% (the virtual machine has 2 Cores assigned) Why does the usage drops…
0x4a42
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