The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
0answers
64 views

Zabbix cross-host dependency in graph during upgrade

We are planning to switch from currently installed zabbix 2.0.1 to latest version. There is custom graph which aggregates few metrics from hosts in one group. Graph created and associated with one of ...
1
vote
3answers
563 views

Generate CPU, memory, disk and network graphs from command-line [closed]

I would like to periodically (e.g. using cron) generate an image (e.g. png) containing graphs for CPU usage, memory usage, disk I/O load and network usage. I would like something not too ugly, so a ...
2
votes
2answers
427 views

Submit NULL values in Zabbix passive checks

Recently I configured some passive checks in Zabbix. Now, I saw that some checks failed for some periods of time, but this is not clear when looking at the chart. It seems that the value was stable ...
2
votes
3answers
3k views

Error - Unable to find `dot` command of the GraphViz package

Ubuntu precise (12.04.1 LTS) I'm rather new to PEAR. I installed PEAR. Then, using pear I installed phpdoc. It seems to be working great except for the graphing functions. I ran this command: ...
0
votes
1answer
315 views

Aggregating more than two RRDs in RRDGraph returns empty graph

I am using rrd graph to manually generate a graph of aggregated data, based on RRDs that were collected via PNP4Nagios. My issue is that when I try and aggregate more than two sources, I get a blank ...
1
vote
0answers
145 views

Visualizing IO other then seekwatcher

Is there any other programs that can generate visuals/graphs/diagrams (movie and pictures) to visualize IO across a full device other then seekwatcher? NOTE: seekwatcher generates visuals(pic/movie) ...
0
votes
1answer
636 views

Make a new cacti graph by summing the values ​​of another graph

I just start using cacti and I would like to know if it is possible to create a new graph from the sum of values in an other graph (not in the same one) . For instance, I have a graph with: Memory ...
0
votes
1answer
190 views

How to make aggregate graphs of varnish in munin

I'm trying to sum the graphs of varnish in munin. I've tried with all the possibilities than i could but i don't manage to succeed. [group;Agregadas] update no varnish.graph_title Hit ...
2
votes
2answers
171 views

Restore min/avg/max graphs in Munin 2

I just migrated from Munin 1.4 to Munin 2.0.6 on Ubuntu Server 12.04 LTS. The weekly graphs no longer show min/max values, only the avg. How do i get those back? Thanks Maciej
0
votes
1answer
212 views

Munin load from several servers in same graph

I'm attempting to compare load averages from several severs using using Munin 1.4.6-3ubuntu3 by combining multiple hosts in a single graph. My attempt: [domain.com;Totals] load.graph_title Load ...
1
vote
3answers
227 views

Simple tools to quickly capture and graph some arbitrary metrics on a server?

I want something that's quick to set up, doesn't have a lot of dependencies, outputs pretty graphs, and is easily customizable (e.g. calling external scripts that simply output a numerical value). ...
0
votes
1answer
421 views

Monitor cpu usage (and perhaps memory using) for a single process simple as possible

I'm searching the easiest way to monitor the cpu usage of a single process in linux. Use ps and change output is the way i have, but maybe a monitor tool is better. Also I want to plot the usage (nice ...
0
votes
2answers
433 views

MRTG does not give precise value or converts wrong?

By example: I have SNMP response value 59757296, passed to MRTG via conf ("business as usual"). The value is in bytes (I checked specs of the target device plus web interface of device confirms). In ...
0
votes
2answers
753 views

Monitor incoming TCP/UDP flood attack and graph it

I'm preparing a presentation on a security issue and want to include a demonstration. It won't be in real time, I just need to show some pictures of the results. I have some VPSes that will perform ...
7
votes
3answers
935 views

How to display a graph only for business hours with CACTI?

I have noticed that I can only display an uninterrupted period with CACTI. I am wondering whether is possible or not to make a custom graph which displaying only the business hours during a period (a ...
5
votes
4answers
3k views

Graphing per-user CPU usage on a Linux machine

I want to graph (graphical output would be great, i.e. a .png file) the following situation: I have users A, B, and C. I limit their resources so that when all users run a CPU intensive task at the ...
1
vote
1answer
5k views

Cacti doesn't show graph

Installed on Debian 6 - 64bit. Webserver : Nginx Here is what I did so far: apt-get install cacti and apt-get install snmpd chmod 644 /etc/cacti/debian.php Set date.timezone in php.ini Added ...
3
votes
2answers
469 views

How to monitor dynamic network interfaces with MRTG? (*nix)

Every time I restart my OpenVPN tunnel it increments interface's number and breaks MRTG graph for the interface. IF-MIB::ifName.76 = STRING: tun_w after restart: IF-MIB::ifName.77 = STRING: tun_w ...
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 ...
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
109 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
355 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 ...
3
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
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 ...
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
9k 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 ...
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
874 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
708 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
244 views

Tool for graphing packet size distribution on Linux?

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
897 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
244 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. ...
0
votes
3answers
234 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
1k 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
753 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
399 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 ...