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0
votes
2answers
270 views

Monitoring _current_ bandwidth used by Apache

Afternoon gents, I'm trying to monitor and graph the currently used bandwidth by Apache, I've been trying to use mod_status with /server-status and just parsing this specific row: 16.1 requests/sec ...
2
votes
1answer
294 views

Munin - Netstat Graph

I've installed Munin on a couple of our servers (CentOS) so I'll have some way to monitor what is going on. [Sorry the images arn't embedded in, as it turns out new user's can't post images directly] ...
0
votes
1answer
580 views

Munin: Graph not plotting one label

I have set up munin to monitor EC2 instances. Now my CPU usage graph (using the unmodified cpu plugin) looks like this: The problem is that the "iowait" parameter is returned correctly (see text ...
1
vote
5answers
1k views

Fancy graphing for network traffic

I'm currently looking for a solution that would allow me to easily graph traffic on a network. Basically what I'm looking for is anything that could actively provide graphs/charts/colors etc. for our ...
0
votes
1answer
183 views

Munin isn't showing graph history

I'm setting up my new Ubuntu 10.04 server and installed munin to view my machine's stats. It was working for a while, then I changed a couple of things (PHP spawn-fcgi to PHP FPM, reinstalled nginx) ...
6
votes
1answer
4k views

Interpreting munin graph and committed memory

I've been noticing that my server has been using swap a quite more often now but I can't seem to figure out why. The munin graph shows that the apps memory usage is about 0.7G out of the 1.5G. The ...
2
votes
1answer
4k views

Unable to add new munin node to existing munin master

I'm trying to add a node to an existing munin master (which I didn't setup but which seems to be working fine as it shows graphs for 8 existing nodes) and I'm having some troubles. Here are the steps ...
0
votes
3answers
95 views

software for server/network monitoring [closed]

Is there any good software people would recommend that I could just run on my extra monitors for live updating network/server status? Like graphs or stuff like that. Just something that would look ...
1
vote
2answers
2k views

Munin graphing by CGI

I have Munin working just fine, but any time I try to do cgi graphing - it just stops graphing... no errors in the log, nothing. I've followed the instructions here: ...
2
votes
0answers
110 views

Solution for graphing application events metrics in real time [closed]

We have an application that parses tweets and we want to see the activity in real time. We have tried several solution without success. Our main problems is that the graphing solution ...
5
votes
1answer
377 views

Tool for network/infrastructure graph

I search for Linux a graphic tool to document our network/server infrastructure. A script that converts maybe some textual representation into dot (i.e. graphviz) would be enough. Nodes should be ...
1
vote
1answer
179 views

Disk IOs spikes at set times in CentOS

I recently installed Munin on my servers. Now 2 of my machines show big spikes in DiskIO at the same time, everyday at 4am. I run Centos 5.6 (64bit). I've checked my cron logs, and I have no personal ...
4
votes
2answers
2k views

How to Read a Varnish Histogram?

How is a varnishhist histogram/graph read? I understand that the x-axis is a log scale. Specifically: I see 9 "|"s or cache hits occur around y=1e-4, what does each "|" refer to? Page? File? I see ...
1
vote
1answer
1k views

Centreon not graphing Windows Disk Check

I'm trying to figure out how to get Centreon to graph a Windows Diskspace check. The service comes back fine: OK: C:\: 14.9G|'C:\ %'=63%;20;10 'C:\'=14.94GB;4;4;0;39.99 However, when I try to add ...
0
votes
1answer
676 views

Munin Aggregate Graph

I am trying to aggregate munin graphs (http://munin-monitoring.org/wiki/aggregate_examples) for my nginx_request plugin (http://exchange.munin-monitoring.org/plugins/nginx_request/version/2) The ...
4
votes
3answers
1k views

Munin Aggregate Graphs from several servers

I am using DNS round robin load balancing and have divided my total traffic onto multiple servers. Each server does around 300-400req/second but I am interested in having an aggregate graph telling me ...
1
vote
1answer
364 views

Problem: Munin Graph

I've been trying to install Munin for 15 days, I looked for information, analized logs, I even deleted and reinstalled Munin using YUM. I'm hosted at Media Temple on a VPS with CentOS. The problem is ...
0
votes
1answer
4k views

How to configure nagiosgrapher to work with plugins?

I did: apt-get install nagios nagios-plugins nagios-nrpe-plugin nagiosgrapher and adjusted nagios cfg to: process_performance_data=1 service_perfdata_command=ngraph-process-service-perfdata-pipe ...
5
votes
4answers
2k views

Cannot see graphs for IO Service time and IOstat in munin

For some reason data & graphs for IO Service time and IOstat do not show up in munin. All other graphs are fine. Can some one suggest me how to set munin to show the stats and graphs for these. Am ...
3
votes
3answers
2k views

Removing a spike from RRDTool database

I've got an RRDtool graph that has a huge spike after a reboot. I've tried using the popular removespikes.pl script on it, but just returns a "No peaks found.!". What's the best way to take care of ...
3
votes
4answers
10k views

Graph VMware ESXi through Cacti

I have a server running VMware ESXi 4.1.0 and while I love the graphs within the vSphere Client, they provide no historical data with the license I have. Also, all my other servers are monitored via a ...
1
vote
1answer
362 views

Disable graph_total in Munin Graphs

Is there any way to disable the graph_total for a Munin graph? For example, the apache_processes plugin generates a "total" line that becomes meaningless when there are multiple ports monitored. I'd ...
2
votes
2answers
3k views

Configure Munin graphs to show different time periods

I'm running a server with Munin installed through WHM cPanel. I've been googling around and I can't seem to find out how to do the following: A: Change a graph to show a different time period ...
7
votes
2answers
2k views

Munin graph size

Munin graphs is very small. That makes some multigrpahs useless for me. Is it possible to increase graph image size?
1
vote
5answers
1k views

Monitor bandwidth over time, excluding certain networks?

I'd like to monitor bandwidth usage of my Linux servers, but there's a catch: traffic between my two servers is not counted against me, only traffic to the internet at large. However, my servers have ...
0
votes
2answers
931 views

Looking for app to work fluidly with CSV data in graph form

It often occurs to me that if I had a good tool for viewing CSV data in graphical format, and comparing two sets of numbers to each other, I could do a great deal of meaningful trend watching and data ...
2
votes
2answers
1k views

Munin - Load old/historic data from a database to prepopulate the graphs?

I have a Munin setup that monitors some data from our database about the number of sales. My munin plugin extracts this data from the database with a query. I could run this query for any time in the ...
0
votes
2answers
725 views

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. ...
1
vote
2answers
1k views

Munin Graphs - Have one graph/plugin only update once per hour?

I am writing a custom munin plugin/graph and it's slightly computationally expensive. It's also unlikely to change much in a few minutes. Is it possible to have this one graph/plugin only update once ...
2
votes
1answer
254 views

Tool for graphing packet size distribution on Linux? [closed]

Is there a tool for Linux to easily produce graphs (histograms) of the packet sizes (e.g. TCP) of network traffic ? (before I start putting together something using e.g. matplotlib and python ...
2
votes
4answers
950 views

IP/host-based traffic grapher

Do you know/recommend any tool for graphing traffic based on IP or host? In this case, I will get a graph for every IP that passes through my gateway. Of course, I will use a predefined list of source ...
2
votes
1answer
245 views

why a network's graph connectivity (k-connectivity) is not a good way to judge reliability?

I was told that a network's graph connectivity is a "dangerous" way to judge reliability. Why is that? In my mind, a complete graph (the most connected graph) is the most reliable network possible. ...
1
vote
0answers
691 views

nagios & nagiosgrapher & check_disk -A

I check most Host(group)s with check_disk -A .... Because of the fact that i have many machines with many different mounted filesystem, i do not want to make extra checks for every mounted drive. Now ...
4
votes
2answers
365 views

Showing a longer timespan in Munin

I was wondering if it is possible for Munin to store and display data for longer than a year? I did Google around a bit, without much luck.
0
votes
3answers
236 views

vps like [load] graphs

I investigated a couple of tools but they were really annoying and not polished. kSar for exampe is supposed to graph sar output, but it doesn't work. There's a perl script around (sar2rrd) that's ...
1
vote
0answers
2k views

Excel techniques for perfmon csv log file analysis

I have perfmon running against several servers, where I'm outputting to a .csv file data like CPU %time, memory bytes free, hard disk I/O metrics like s/write and writes/s. The ones graphing the SQL ...
4
votes
2answers
2k views

Graphing process memory usage on Linux

I'm trying to diagnose a memory leak in a process, and looking for a tool to graph its memory usage over time. Is there any tool on Linux that supports diagramming in a form similar to Windows ...
0
votes
2answers
2k views

Does Zabbix sum data over a period?

I know Zabbix handles numeric data in a way that it shows the absolute value for a given instant. But I have another type of data that accumulates over time (ie. number of bytes transmitted - not ...
0
votes
2answers
770 views

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 ...
0
votes
4answers
4k views

Why can't I wget specific cacti graph images?

I'm trying to wget a specific cacti graph image in order to make a daily report. We have htpasswd for the cacti website, and I've added a user for that. I'm usign wget's --http-user/password to pass ...
0
votes
4answers
2k views

Cacti plugin to email me network traffic graphs

I have a cacti graph set up. I'd like to receive daily emails of some graphs. What are my options?
4
votes
2answers
414 views

Tool or IconSet to visualize network topology

I'm looking for a tool or IconSet do create a picture of a network topology. The network doesn't exist, so I don't need a tool that scans a network and creates a picture of that network. It would be ...