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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Why isn't munin's apache_accesses report accesses?

I have the ExtendedStatus enabled: $ grep ExtendedStatus /etc/apache2/mods-available/status.conf:ExtendedStatus On But the "munin suggest" says it's still off: root@SERVER:/etc/apache2# ...
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34 views

munin is not showing all Ethernet ports

I have an Ubuntu 12.04 running on a VmWare ESXi. I'm trying to run munin on the Linux system to show the status of the system. But in the network tab of munin only eth0 is shown even though ifconfig ...
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1answer
32 views

Munin doesn't show new host when using munin-cgi-html

A few months ago, I switched from running Munin in static munin-cron mode to dynamic munin-html-cgi mode, but now when I add a new host to monitor it, it doesn't show up in the generated HTML, even ...
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63 views

monitor running services and ports

What is the best way to monitor running services and ports on a system with systemd? My intent is to alert me, when a service stops running or if a new service is listening on a new port (possibly a ...
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54 views

Munin Server not making Graphs

On my Central Monitoring Server previously Munin 1.2.5 Server was installed. So now I update the server with latest Munin 2.0.21 and moved the files for /var/www/html/munin to new directory ...
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15 views

Munin not Showing text

I installed munin server 2.0.21. Previously 1.2.5 was installed but I saved the configuration files and removed the old one . Then I install 2.0.21 Munin Server and 2.0.21 Munin-node and after ...
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3answers
1k views

How to disable DNS caching or override TTL for a certain hostname?

I've set up my own dynamic DNS service by using a script to automatically update the A record for a subdomain of one of my domains. The host with the dynamic IP address runs, among other things, a ...
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2answers
1k views

Error 404 Munin page not Found

I installed Munin and munin-node on Server and httpd was already installed. But after installed when i run the munin-node the Browser gives me this error. Not Found The requested URL /munin was not ...
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3k views

logrotate doesn't work for munin after last update on OpenSUSE 11.4

I'm using munin 1.4.5 on OpenSUSE 11.4. Lately logrotate was updated to fix some permission problems and after that complained with Mar 3 12:15:05 lucien logrotate: error: "/var/log/munin" has ...
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2k views

How do you choose which monitoring application to use?

Having a system for collecting performance statistics can be extremely useful. In the past, I've used Munin for this, and it has been invaluable in analyzing bottlenecks and various other issues. I ...
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527 views

How to track down memory spikes?

I have an app running on rackspace cloud (ubuntu 10.04). For some reason, over the last 3 nights, the memory has been spiking and then leveling off for about 7 hours before eventually falling off. ...