Antwort: RE: MRTG graphs problem - measurement units not taken into consideration
Radu.Popa at technomatic.de
Radu.Popa at technomatic.de
Sat Jul 2 13:19:06 CEST 2011
What I am trying to achieve is now modifying a bit the pdf generated page (
add an additional logo, put some text, aso). Saw that the background page
is called background.pdf, so I have modified that, but when generating PDF
I still see the original background page, not the modified one.
Thanks!
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 07/02/2011 12:38 PM
Betreff: Antwort: RE: MRTG graphs problem - measurement units not taken
into consideration
PNP version is 0.6.13 and you are totally right about the config_local.php
file. Modified in that one and I see it in all graphs.
The only opened issue for now is the pdf background file.
Thanks a lot!
------------------------------------------------------------
Which pnp4nagios version do you use?
I assume its 0.6.13
PNP web interface reads config files in the following order.
pnp4nagios/etc/config_local.php
pnp4nagios/etc/config.php
config_local.php is used to store your own changes and will not be
overwritten on updates.
config.php is the default config file.
http://docs.pnp4nagios.org/pnp-0.6/webfe_cfg
Joerg
Von: Radu Popa/Technomatic
An: Radu Popa/Technomatic at Maxdorf
Kopie: nagios-users at lists.sourceforge.net
Datum: 07/02/2011 12:24 PM
Betreff: Antwort: RE: MRTG graphs problem - measurement units not taken
into consideration
I have managed to put the text into the graphs ( watermark) by adding the
option directly into the respective php file ( e.g. check_snmp_int.php).
All the php files seem to have already an $opt[1] line which overrides the
general options.
I am still stucked with the PDF background file however.
Thanks once again!
----------------------------------------------------------------------------
I can't say I've ever tried that. I would think you need to append to
rather than replace the graph options though, so wouldn't it be ..
$conf['graph_opt'] .= " --watermark 'Test'"
(note the ".=" rather than just "=" and the space added before --watermark
)
I don't have my Nagios system to hand at the moment so can't take a
look myself. Remind me on Monday if you're still stuck and I'll have
a play with that myself.
Another option is to create some graphs outside of PNP altogether (but
using the .rrd databases created by PNP). See:
http://oss.oetiker.ch/rrdtool/doc/rrdcgi.en.html
Again, I can dig out some examples for you if you remind me during the
week (or do a search - I'm sure we've covered this topic before either
here or on the PNP email list some time in the last few months).
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 07/02/2011 09:36 AM
Betreff: Antwort: RE: MRTG graphs problem - measurement units not taken
into consideration
Hello again,
Can you please give some guidelines how to customize the PNP4Nagios
background page? I have tried using the $conf['graph_opt'] = "--watermark
'Test'" option, but it does not take it. Also modifications done on the
background.pdf file are not updated. Already restarted apache and nagios
services. In general I would like to add some logos and/or text.
Thank you!
On 29 June 2011 13:23, <Radu.Popa at ...> wrote:
> After adding the -r option it works like a charm!
>
> Now in pnp4nagios I can see both values on the same graph: bytes in and
> bytes out. I see them as two thin lines. Any way to make the lines
thicker
> and change their colour?
Well done.
Yes, you can create a custom template.
Take a look under /usr/local/pnp4nagios/share/templates.dist and find
the file named check_snmp_int.php . Copy it to the directory
/usr/local/pnp4nagios/share/templates and then edit it to get the
wider line.
For example the line which reads:
$def[1] .= "LINE1:var1#003300:\"in \" " ;
Change it to read:
$def[1] .= "LINE3:var1#003300:\"in \" " ;
You will find documentation on how the LINE instruction works at:
http://oss.oetiker.ch/rrdtool/doc/rrdgraph_graph.en.html
and some general help on PNP templates at:
http://docs.pnp4nagios.org/pnp-0.6/tpl
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 06/29/2011 03:23 PM
Betreff: Antwort: RE: MRTG graphs problem - measurement units not taken
into consideration
After adding the -r option it works like a charm!
Now in pnp4nagios I can see both values on the same graph: bytes in and
bytes out. I see them as two thin lines. Any way to make the lines thicker
and change their colour?
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 06/29/2011 01:45 PM
Betreff: Antwort: RE: MRTG graphs problem - measurement units not taken
into consideration
Was a typo error of the community string, after putting "public" instead of
"Public" everything looks cool.
Still 1 question:
If I try to query interface GigabitEthernet0/2 I get the response:
GigabitEthernet0/21:DOWN, GigabitEthernet0/23:DOWN, GigabitEthernet0/24:UP
No usable data on file (40 rows) , GigabitEthernet0/2:UP No usable data on
file (1 rows) , GigabitEthernet0/22:DOWN, GigabitEthernet0/20:UP No usable
data on file (1 rows) : 3 int NOK : CRITICAL
So ti seems that it takes all interfaces starting with "0/2" string. Any
way to limit this? Do I have to enter any escape character?
Thank you!
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 06/29/2011 01:29 PM
Betreff: Antwort: RE: MRTG graphs problem - measurement units not taken
into consideration
Ok,
Here is what I got so far:
1. If I run the command: ./check_snmp_int.pl -H 192.168.2.1 -C public -2 -n
GigabitEthernet0/24 -fY -kqB -g -w 600000,600000,100,100,100000,10 -c
800000,800000,200,200,200000,20 -d 5 , I get the following output:
GigabitEthernet0/24:UP (16.9Kbps/26.2Kbps/0.0/0.0/0.0/0.0):1 UP: OK |
'GigabitEthernet0/24_in_bps'=16899;600000000;800000000;0;1000000000
'GigabitEthernet0/24_out_bps'=26237;600000000;800000000;0;1000000000
Before getting a correct output I run the command several times. The
initial output is GigabitEthernet0/24:UP No usable data on file (102 rows)
:(1 UP): UNKNOWN
2. Defined the following command in nagios:
define command{
command_name check_snmp_int
command_line $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ -C
$USER5$ -2 -n $ARG1$ -fY -kqB -g -w $ARG2$ -c $ARG3$ -d $ARG4$
}
Where
And the corresponding service check:
define service{
use generic-service,pnpgraphed-service ;
Inherit values from a template
host_name test_sw
service_description Port 24 Bandwidth Usage
check_command
check_snmp_int!"GigabitEthernet0/24"!600000,600000,100,100,100000,10!800000,800000,200,200,200000,20!10
normal_check_interval 2 ; Check the service every 2
units under normal conditions
retry_check_interval 1 ; Re-check the service
every 1 unit until its final/hard state is determined
}
In nagios service status I get now: ERROR: Description table : No response
from remote host "192.168.2.1".
In resources I have defined $USER5$=Public
Ideas, please?
Thank you!
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 06/28/2011 05:14 PM
Betreff: RE: MRTG graphs problem - measurement units not taken into
consideration
I have tried the SNMP plugin a few minutes ago and here is what I get when
running it from the command line:
./check_snmp_int.pl -H 192.168.2.1 -C public -n GigabitEthernet0/24 -k -w
200,400 -c 0,600
GigabitEthernet0/24:UP No usable data on file (1 rows) :(1 UP): UNKNOWN
The interface name I took it from listing all available interfaces on the
switch.
Any ideas, please?
Thanks!
Von: Radu Popa/Technomatic
An: nagios-users at lists.sourceforge.net
Datum: 06/28/2011 03:31 PM
Betreff: MRTG graphs problem - measurement units not taken into
consideration
Hello,
I am using Nagios to monitor the bandwidth usage of a couple of
switches/routers via the check_local_mrtgtraf command. The graphs I handle
via pnp4nagios. The problem I encounter is the following: if the monitored
bandwidth is at one point expressed in KB/s and then I bring a lot of
traffic through the router the, unit is changed into MB/s. The graphed
values seem not to take into consideration the change of the measurement
unit meaning that the 50KB/s seems to be at the same height as the 50MB/s
value in the graph.
Can anyone please help?
Thank you!
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