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tec | 1 Feb 2011 01:13

3.0.3 - Interface name with forward slash - bug?


Hi
 
I have routers with interface names that contain slashes. Example:
 
FastEthernet0/1
FastEthernet0/2
 
These names are reflected in the interface name field of each interface
 
I'm writing a script, utilzing DMD, that searches the interface names looking for a specific name and then
sets the description field to a string value.
 
What is returned by the script is the correct interface name but with the slash replaced with an underscore.
 
Is this a bug?
 
The following is a sample output from the script:
======================================================
zenoss <at> server01:~> ./setIfDesc.py 10.10.10.5 FastEthernet0/1 "LAN"
Device: 10.10.10.5: found
Interface: FastEthernet0_1
Interface: FastEthernet0_2
Interface: Vpn1
Interface: Vpn2
Interface: FastEthernet0/1: not found
Done.
zenoss <at> server01:~>
 
========================================================
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Kalyan Kumar Pasupuleti | 1 Feb 2011 06:33

Installed software Manufacturer


Hi All,
 
I have installed zenoss core 3.0.3 on Cenos 5.5.
I configured a unix machine by providing authentication details in the device properties. With this I can
able to get the information about...
 
filesystem
installed softwares
process   etc.. information.
 
But for installed softwares of a unix machine, I am getting the Manufacturer column as unknown. How can I fix this?
 
Regards
Kalyan Kumar Pasupuleti
RHCE, LDAP, SElinux Certified

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chitambira | 1 Feb 2011 10:07

Re: Real world disk sizing example...


I've got on average 40k data points which have been runing for almost 2yrs total disk usage is about 18GB

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jcurry | 1 Feb 2011 10:10

Re: 3.0.3 - plugin not loaded


When I see this scenario I usually suspect syntax errors in the plugin.
 
Try using zendmd to import the plugin and see if it imports cleanly.  For example, if the modeler plugin is
BridgeDeviceMib.py in the modeler/plugin directory of the ZenPack called
ZenPacks.skills1st.bridge, use:
 
zendmd
from ZenPacks.skills1st.bridge.modeler.plugins import BridgeDeviceMib
 
 
You should see the zendmd prompt of >>> , not an error message.
Note that you give an object path with dots, not a file path with / and there is no ".py" on the end of the plugin
that you are importing.
 
There are a few more hins and tips for debugging ZenPacks in the updated "Creating Zenoss ZenPacks" paper at
http://community.zenoss.org/docs/DOC-10268 .
 
Cheers,
Jane

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jbp | 1 Feb 2011 11:28

Is snmp over ssh possible?


snmp v3 is less well audited than ssh.
zenoss works best with snmp.
 
I would like zenoss to ssh to each host I want to monitor and run an snmpwalk against that host from that host.
 
i.e. zenossMonitoringHost ---ssh connection---> hostToMonitor1
on hostToMonitor1 an snmpwalk command is run against hostToMonitor1
 
Can Zenoss do this? What would be the best way to achieve this?
 
Thanks.
 
jbp

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chitambira | 1 Feb 2011 11:51

Re: Is snmp over ssh possible?


This is very possible, check the linux ssh zenpack http://community.zenoss.org/docs/DOC-3435
you can simply utilise this example zenpack to include any command/script that you want to run on the remote host.
Or you can create your own ssh zenpack http://community.zenoss.org/docs/DOC-2381, http://community.zenoss.org/docs/DOC-5859
The simple fact is you can utilise ssh to run remote commands/scripts and parse the response.
 
However, If you intend to use boths snmp and ssh, I see this as adding another point of failure to your
monitoring architecture.
 
With snmp only, you have snmpd daemon as a point of system failure of the architecture (snmpd dies), now with
sshd and snmpd, if sshd dies on the remote host, then you dont get any response even if snmpd is running, and
also you now have two daemons which both have to be running for your host to be monitored successfully, thus
adding another point of failure.

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Daniel Thomas | 1 Feb 2011 12:51

Zenoss 3.0.2: zlib error & zenoss service startup errors


We are running Zenoss 3.0.2. for a number of charity organisations for some months now and I have been able to
use it nicely. Our server is a Citrix XenServer VM with 2 GB mem and 8 Vcpus. We are using Centos 5 x64 and the
RPM install method.
 
On the monitoring level we have no issues what so ever. However when I want to performe a task such as reset the
admin password via the cli with commands su zenoss | zenpass, I keep getting an error, which seems to be a
structural problem between python/zlib, with our installation.
I've been looking around on these forums and read that recompiling Python with zlib might offer a solution
but unfortunately my knowledge about python is insufficient to figure out how to do that. I would greatly
appreciate it if someone could share the exact commands or point me into the right direction. I've tried to
upgrade to 3.0.3. but issues below are also preventing me from doing that so I reverted to my relatively
stable production VM snapshot.
Furthermore when I startup the Zenoss server there are quite some error messages flying over the screen
which I don't know how to deal with.
 
Many thanks in advance
Daniel
 
I'm not sure the problems are connected but here they are:
 
Zlib problem:
 
[zenoss <at> zenoss root]$ zenpass
Password for the Zenoss "admin" user: 
Traceback (most recent call last):
  File "/opt/zenoss/bin/zpasswd.py", line 41, in <module>
    import sys,  sha, binascii, random, getopt, getpass, os
  File "/usr/local/zenoss/python/lib/python2.6/sha.py", line 10, in <module>
    from hashlib import sha1 as sha
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zenorr | 1 Feb 2011 13:16

Re: Real world disk sizing example...


the question is not only size, but I/O per second. We have 8 disks in RAID 1+0 for ~500 network device and ~50
servers, it works nicely. Previsouly, with only 2 disks in RAID-1, it was almost unusable.

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zenorr | 1 Feb 2011 13:22

Re: Command in command template works from CLI but not from GUI (IPSLA Zenpack)


the environment difference between CLI and GUI is maybe caused by a know bug of 2.5.2, Check this : http://community.zenoss.org/thread/15413?tstart=0

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moss2k10 | 1 Feb 2011 15:54

Nagios as Zenoss's collector?


Hello,
We are currently using two core zenosses for monitoring different project labs, but we have also one nagios installation.
The question is how to set one main zenoss to treat nagios as a collector?(config for nagios would be also great)
I've heard that it's possible but I can't find any more info on the web..Does anyone can help us out how to
achieve this?
 
 
Thanks in advance,
Peter

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