All Questions
Tagged with monitoring munin
69
questions
0
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0
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23
views
Can't set warning / critical thresholds in munin plugin-conf.d file
For some reason, I cannot get warning thresholds to work on any of my munin installations on ubuntu. For example, one of the provided plugins I have working is the netstat plugin. Now to set the ...
- 1
1
vote
1
answer
202
views
How to aggregate Munin's interface traffic graphs?
My goal is to aggregate Munin's interface traffic graphs into one stacked graph for quick overview over the traffic across all servers.
This is the an example of an individual graph, I want to ...
- 2,106
0
votes
2
answers
2k
views
How to set Munin Critical/Warning alerts when value are under a threshold and not over?
I am trying to do a simple alert in Munin checking SW RAID 1 status where a metric of 2 disks is healthy, 1 disk is Warning and 0 disks is Critical.
All the Munin monitors I've seen are triggered when ...
- 121
1
vote
0
answers
192
views
What are network errors on munin graphs?
I have an VPS running OpenVPN server, that also does have munin installed for monitorig (I've installed it not because it's a real need, but because all these graphs looks cool).
At first I've ...
- 11
2
votes
0
answers
448
views
Configure Munin to monitor multiple instances on one node
I need to configure Munin to monitor multiple instances of a server daemon that run on a single host.
I've tried creating a different named symlink for each instance, but unless I also pass an env ...
- 21.4k
2
votes
1
answer
553
views
Munin monitoring of FreeBSD clients via munin-asyncd does not work
I have set up a Munin master node with the intent of monitoring different kinds of Unix machines. I have followed the instructions to the letter and found that while monitoring works flawless with all ...
- 160
0
votes
1
answer
361
views
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.
...
4
votes
1
answer
2k
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Munin Disk Latency Alerts
I have setup my Munin server and alerts and have tested them aswell. I have set the alerts for disk usage as under:
df._dev_mapper_centos_root.warning 90
df._dev_md126p2.warning 90
df._dev_md126p1....
- 45
0
votes
1
answer
1k
views
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 ...
- 45
0
votes
1
answer
3k
views
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....
1
vote
1
answer
3k
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Setting warning / critical thresholds in plugin-conf.d file
I can set warning / critical thresholds in munin.conf (for a plugin that I've written) like this:
load_per_core.load_per_core.warning 0.2 # Low value to trigger warnings
load_per_core.load_per_core....
- 111
2
votes
1
answer
474
views
Multiple munin-node daemons with different plugins on same machine
my company recently moved to a new infrastructure provider. We got a partially managed server there with a basic installation of Ubuntu 14.04. The provider also has munin-node (munin version 2.0.19) ...
- 31
3
votes
1
answer
2k
views
Munin not creating html files in Ubuntu
I installed Munin in a Ubuntu Server 14.04 with Apache 2.4.7
But after all configuration, Munin isn't creating the html files in the html dir. This are my files:
munin.conf
dbdir /var/lib/munin
...
3
votes
1
answer
1k
views
Munin: some pluggins stopped working after moving to different *virtual* host
I used munin as monitoring serfice and I was happy with it. It is located on localhost machine with CNAME being server.domain.com. Trying to access server.domain.com from remote machine showed up ...
- 105
1
vote
1
answer
403
views
Munin aggregation not working (summing CPU time across servers)
I am trying to get an aggregated graph of CPU usage across some servers. I have come up with this so far:
[totals]
update no
contacts no
lb_cpu.graph_title LB Total User CPU
lb_cpu....
- 264
0
votes
1
answer
399
views
Exclude field in munin chart
I have written my first Munin plugin to monitor my WAN traffic at home. The chart includes the actual traffic (as DERIVE) and the maximum possible speed (as GAUGE) for my Internet connection.
I want ...
1
vote
1
answer
293
views
What to monitor (key indicators) on web and database server
I just installed Munin for monitoring my web and database server. I lot of plugins were included out-of-the box, but I could use some advice on which one is actually good key indicators to monitor.
...
- 133
0
votes
2
answers
3k
views
Monitoring network output bandwidth of server for each IP address
I've got a network of static file serving servers. I use nginx to serve the files, and munin to monitor the network traffic. I want to know the output bandwidth of the server that goes to each IP ...
- 11
2
votes
1
answer
1k
views
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 ...
- 316
2
votes
2
answers
654
views
Munin Limits on COUNTER and DERIVE Data
For Munin plugins of COUNTER and DERIVE type, what values should I use for ${name}.warning and ${name}.critical values?
- 316
1
vote
3
answers
2k
views
Munin's load plugin does not appear
I just did a fresh install of Munin 2.0.6-4 on a Debian 7.1 server from the debian repositories. The "load" plugin appears as loaded:
# munin-node-configure | grep load
load | ...
- 193
2
votes
1
answer
5k
views
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@...
0
votes
1
answer
382
views
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....
1
vote
1
answer
2k
views
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;...
- 382
10
votes
2
answers
408
views
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!
- 905
0
votes
3
answers
769
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 ...
- 331
1
vote
2
answers
407
views
Munin 2.0 vs 1.4
Munin came out with a new major release (2.0). It is, however, not easy to see what has changed. I've checked the main site, the FAQ and the Documentation, but nothing found. There's the Changelog, ...
- 510
2
votes
1
answer
829
views
Should Munin sit in /var/www/munin or /var/cache/munin/www?
I've just installed Munin for the first time in around twelve months, and I've hit a familiar error.
I remember from last year that there is an oddity where Munin wants to keep its html files in /var/...
- 135
1
vote
0
answers
149
views
Cross-referencing charts (e.g. munin) with log files
Is there a charting package like Munin (or an addon for it) that will let me click on a graph period and then see all the logs on that box for that period? e.g. if I see a huge spike in disk I/O 12 ...
- 19
6
votes
1
answer
1k
views
Reduce munin logging level
Munin is quite verbose, and logs a bunch of things into munin-graph.log, munin-html.log, munin-limits.log and munin-update.log at each run of munin-cron.
I already reduced munin-node logging level by ...
- 5,317
0
votes
2
answers
3k
views
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 ...
- 751
5
votes
1
answer
1k
views
Munin aggregate graphs are not working
I know this has been asked in several times on many forums before, but still I am struck with similar problem.
Individual graphs are working fine however, aggregate graphs are not. I don't even get ...
- 71
3
votes
2
answers
2k
views
How can I configure Munin to give me a "total" view of all my cloud servers?
I have a dozen load balanced cloud servers all monitored by Munin.
I can track each one individually just fine. But I'm wondering if I can somehow bundle them up to see just how much collective CPU ...
- 430
2
votes
2
answers
30k
views
How should I monitor memory usage/performance in SunOS/Solaris?
Last week we decided to add some SunOS (uname -a = SunOS bbs-sam-belair 5.10 Generic_127128-11 i86pc i386 i86pc) machines into our running munin instance. First off, the machines are pre-configured ...
- 366
2
votes
1
answer
1k
views
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?
- 123
1
vote
1
answer
396
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 ...
- 133
0
votes
2
answers
797
views
Nagios (or a similar tool) with more variety in alert levels?
I'm looking at monitoring and alerting for some of our business metrics in a web app (pageviews, signups, etc). We already use Nagios and Munin for a wide variety of server monitoring and alerting ...
- 333
7
votes
1
answer
868
views
Intermittent munin-cron error “There is nothing to do here, since there are no nodes with any plugins”
We've installed munin monitoring on one of our servers. Generally it seems to be working well but occasionally, 4 times in 2 months to be exact, munin-cron has generated the following error:
[...
- 333
9
votes
1
answer
4k
views
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 ...
- 366
1
vote
2
answers
1k
views
How to monitor servers in different network using munin?
I would like to monitor some servers using munin, that are in a different network and are not reachable directly by telnet. I wonder what are the possibilities:
Can I install a central node in the ...
- 403
6
votes
4
answers
5k
views
What metrics should I monitor on my Linux-server?
I've been tasked with setting up monitoring of 300 servers, doing different things. I've been looking at various tools, such as Nagios, Munin, and others - so I got a pretty good idea on how I can ...
- 4,213
2
votes
3
answers
289
views
Pulling Server Stats for Remote Monitoring
I'd like to write my own server monitoring app. Ideally it could show stats like load, uptime, cpu activity, most active processes, memory usage by process, etc. What's the best way to grab that ...
- 745
1
vote
1
answer
233
views
If a Munin plugin fails, nobody gets notified. Why is this so?
I've built a bunch of munin plugins that monitor various back-end services. If the metrics dip below thresholds set in munin.conf, we're notified by email. However, if one of these services goes down ...
- 121
1
vote
1
answer
225
views
Why is my munin plugin being double executed (concurrently)?
I have a custom made munin plugin that currently is being executed twice every time
$ ps fax
16844 ? Ss 0:00 /usr/sbin/munin-node
18206 ? S 0:00 \_ /usr/sbin/munin-node
18863 ?...
- 1,405
2
votes
3
answers
4k
views
How to monitor HTTP response error codes from nginx using munin?
I'm beginning to use Munin to monitor an in-production Nginx server. One thing I'm particularly interested in graphing is the rate of errors--HTTP responses with codes in the 50x range. I'm wondering ...
- 687
0
votes
1
answer
212
views
Add marks at specified times on a Munin graph
I want to mark some events on my Munin graphs to see how the graphs change at these points. It seems that in RRD terms they can be created by VRULE command, but I can't find a way to use it with Munin....
- 292
5
votes
1
answer
1k
views
Does jmxremote affect tomcat performance?
I'd like to enable jmxremote to monitor Apache Tomcat resources utilization with Munin, but I want to know if this will affect the servers performance, is so, how much will it be impacted.
- 954
8
votes
5
answers
14k
views
I need to replace munin with something more scalable [closed]
I have used munin on multiple servers for many years with great success, however with more than 100 munin-nodes and when there is load on the clients, the processing is timing out.
I have made some ...
- 11.4k
3
votes
2
answers
4k
views
Monitoring Nginx vhosts with Munin
I've set up Munin and so far, loving it. I got some basic Nginx monitoring set up and am able to monitor Nginx's status and RAM usage (with stub_status compiled into Nginx and activated in the config)....
- 178
0
votes
1
answer
224
views
Possible causes for large drop in measured firewall throughput
We run our application on ec2 and use Munin to monitor various metrics. We do a bi-weekly fresh deploy on new ec2 + rds instances. After our most recent fresh deploy, we noticed a 4x reduction in the ...
- 101