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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2
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20 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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0answers
24 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 ...
0
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0answers
10 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 ...
3
votes
3answers
506 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 ...
0
votes
2answers
693 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 ...
5
votes
3answers
2k 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 ...
7
votes
3answers
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 ...
7
votes
3answers
468 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. ...