[mrtg] Can't add any devices with cfgmaker

[Lyle Giese]

I am just guessing here as I can not tell enough about your
configuration as you have not posted it and you would need to post your
apache configs also.

In short, the mrtg process needs r/w access to the directories for these
files as it runs(the user it runs as via cron) and further apache needs
to have access to them and in apache's httpd.conf, you need to correctly
point it to the files mrtg is creating.

But I really recommend from what you are saying that you need to not do
native database and rateup and move immediately to rrdtool and
routers2.cgi.  It will make your life easier and you don't have to build
any html files to get to the graphs.  And the graphs will be created as
they are requested.

Lyle

Mike Gideon wrote:
>
> No. Interface 3 is not commented out.  That section refers to
> 192.191.191.21_3
>
>  
>
> ### Interface 3 >> Descr: '3' | Name: '3' | Ip: '' | Eth:
> '00-0d-9d-b5-13-7d' ###
>
> Target[192.191.191.21_3]: 3:public at 192.191.191.21:
>
> SetEnv[192.191.191.21_3]: MRTG_INT_IP="" MRTG_INT_DESCR="3"
>
>  
>
> But like I mentioned there aren't any 192.191.191.21_3 files.
>
>  
>
> Some of the interfaces are commented out.  Approximately half are. 
> I'm guessing, those were not active when the config file was created. 
>
>  
>
> *From:* mrtg-bounces+mgideon=newstarfresh.com at lists.oetiker.ch
> [mailto:mrtg-bounces+mgideon=newstarfresh.com at lists.oetiker.ch] *On
> Behalf Of *Lyle Giese
> *Sent:* Wednesday, March 17, 2010 4:25 PM
> *Cc:* mrtg at lists.oetiker.ch
> *Subject:* Re: [mrtg] Can't add any devices with cfgmaker
>
>  
>
> Mike Gideon wrote:
>
> Thanks Lyle,
>
> I did  "cfgmaker --output /var/www/mrtg/192.191.191.21.cfg 
> public at 192.191.191.21 <mailto:public at 192.191.191.21>"  and got the cfg
> file.  When I run indexmaker on it "indexmaker
> /var/www/mrtg/192.191.191.21.cfg > /var/www/mrtg/index2.html"
>
> I get a page, but that has problems. It looks like it tried to create
> a graph for each interface it found. It looks as if it tried to create
> a page /var/www/mrtg/192.191.191.21_3.html, and  192.191.191.21_6.html
> etc etc, but there aren't any 192.191.191.21_#.html files anywhere.
> The hyperlink looks right http://myserver/mrtg/
>
> 192.191.191.21_3.html. 
>
>  
>
> Does it appear like I still don't have the cfgmaker right or is it
> something with indexmaker?
>
>  
>
>  
>
>  
>
> Are there # symbols at the front of those lines in the config files?
>
>  
>
> What is a good way to organize many devices?  I was thinking of
> building a cfg directory under the mrtg. It looks like each device
> will have many associated html files and that could get complicated. 
> Then perhaps one master page with a link to all the individual pages
> I've made with indexmaker.  What did you do?
>
> * *
>
> No, use rrdtool and Routers2.cgi and stop rebuilding those .png files
> every 5 minutes.  Huge waste of CPU cycles and severely limits the
> number of devices you can monitor using mrtg.
>
> Lyle
>
>
> * *
>
> * *
>
>
> *Subject:* Re: [mrtg] Can't add any devices with cfgmaker
>
>  
>
> Mike Gideon wrote:
>
> I just installed MRTG on Ubuntu. 
>
> It seems to be working fine.  I added my local linux with
>
> Cfgmaker public at localhost > /etc/mrtg.cfg
>
>  
>
> That is running just fine, updating every 5 minutes like it is
> supposed to.  I want to add more devices now but I get an error.  I try
>
> Cfgmaker public at 192.191.191.21 <mailto:public at 192.191.191.21> >
> /etc/mrtgtry2.cfg
>
>  
>
> It runs a bit then tells me
>
> --base: Get Device Info on public@/etc/mrtgtry2.cfg:
> <mailto:public@/etc/mrtgtry2.cfg:>
>
> Error:
>
>   can't resolve "/etc/mrtgtry2.cfg" to IP address
>
>  at /usr/share/perl5/SNMP_util.pm line 426
>
> SNMPWALK Problem for public@/etc/mrtgtry2.cfg::::::v4only
> <mailto:public@/etc/mrtgtry2.cfg::::::v4only>
>
>  at /usr/bin/cfgmaker line 861
>
> WARNING: Skipping public@/etc/mrtgtry2.cfg:
> <mailto:public@/etc/mrtgtry2.cfg:> as no info could be retrieved
>
>  
>
> I can run snmpwalk and get info back:
>
> snmpwalk -Os -c public -v 1 192.191.191.21 system
>
> sysDescr.0 = STRING: ProCurve J4899A Switch 2650, revision H.10.83,
> ROM H.08.02 (/sw/code/build/fish(mkfs))
>
> sysObjectID.0 = OID: enterprises.11.2.3.7.11.29
>
> sysUpTime.0 = Timeticks: (1094649276) 126 days, 16:41:32.76
>
> sysContact.0 = STRING:
>
> sysName.0 = STRING: ProCurve 2650
>
> sysLocation.0 = STRING: Server Room
>
> sysServices.0 = INTEGER: 74
>
>  
>
> Cfgmaker seems to want to replace the IP addr of the device with the
> --output. 
>
>  
>
> Am I doing something simple wrong?
>
> Thanks in advance.
>
>  
>
> Try:
>
> cfgmaker public at 192.191.191.21 <mailto:public at 192.191.191.21>
> -output=/etc/mrtgtry2.cfg
>
> cfgmaker thinks the second part is a second device to poll.
>
> Lyle Giese
> LCR Computer Services, Inc.
>
>  
>

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