getting started with zenoss
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Zenoss, Iwww.zenoss
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Getting Started with Zenoss
Copyright 2009 Zenoss, Inc., 275 West St. Suite 204, Annapolis, MD 21401, U.S.A. All rights reserved.
The Zenoss logo is a registered trademark of Zenoss, Inc. Zenoss and Open Enterprise Management
are trademarks of Zenoss, Inc. in the U.S. and other countries.
This work is licensed under a Creative Commons Attribution Share Alike 3.0 License. To view a copy of
this license, visit http://creativecommons.org/licenses/by-sa/3.0/; or send a letter to Creative Commons,
171 2nd Street, Suite 300, San Francisco, California, 94105, USA.
Flash is a registered trademark of Adobe Systems Incorporated.
Java is a registered trademark of Sun Microsystems, Inc.Linux is a registered trademark of Linus Torvalds.
SNMP Informant is a trademark of Garth K. Williams (Informant Systems, Inc.).
Tomcat is a trademark of the Apache Software Foundation.
Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
All other companies and products mentioned are trademarks and property of their respective owners.
Getting Started with Zenoss
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Introduction
Welcome to Zenoss! This guide will help you become familiar with the Zenoss interface and introduc
some basic tasks.
About Zenoss
Zenoss is today's premier open source IT management solution. Through integrated monitoring, it
enables you to manage the status and health of your infrastructure through a single, Web-based
console.
The power of Zenoss starts with its in-depth Inventory and Configuration Management Database
(CMDB). Zenoss creates this database by discovering managed resourcesservers, networks, and othdevicesin your IT environment. The resulting environment model provides a complete inventory o
your key systems, down to the level ofresource components (interfaces, services, and processes, and
installed software.)
With the model built, you can use Zenoss' integrated availability and performance monitoring featur
to monitor and report on all aspects of your IT infrastructure. Zenoss also provides events and fault
management features that tie into the CMDB. These features help drive operational efficiency and
productivity by automating many of the notification, alerts, escalation, and remediation tasks you
perform each day.
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Quick Start
This section is designed to help you quickly walk through several basic tasks that help demonstrate
Zenoss capabilities. After completing initial setup, you will learn how to: Add a device from the Zenoss Dashboard, and then view its status and performance details
Set up, observe, and acknowledge an alert
The remaining guide sections dive a little deeper into interface and system features, and show you
how to:
Configure your network for Zenoss
Add devices to Zenoss through discovery, and then use device classes to monitor them
Monitor devices and servers, using predictive thresholds for performance event generation
Create and manage user accounts
Before You Begin
This guide assumes that you have installed Zenoss. If you have not, then follow the instructions in the
Zenoss Installation Guide (located at http://www.zenoss.com/docs) to install your Zenoss instance.
To complete all the steps in this guide, you will need:
One or more monitored targets, such as:
Windows Server (2000, 2003, 2008), Windows XP, and Windows Vista
Linux or other UNIX server
VMware ESX host
Tomcat or other Java/JMX server
Any SNMP-enabled device
For each system that will access Zenoss through a Web browser:
Adobe Flash Player
Firefox 2.x, Firefox 3.x, or Internet Explorer 7
SSH client to facilitate command line tasks
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Perform Initial Setup
After installing, access Zenoss from your Web browser. Depending on your installation method, brow
to:
Server where Zenoss is installed, to http://xxx.xxx.xxx.xxx:8080
URL provided in the command window (VMware installation)
NOTE
For VM appliances, use the IP address of the Zenoss VM appliance, rather than
the hostname.
The Zenoss setup wizard appears.
Figure 1: Zenoss Setup Wizard
Using this wizard, you will:
Change the admin password
Set up an initial Zenoss user
Add some devices to the system
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From the first panel of the wizard, click Get Started! to begin.
The Step 1: Set up Initial Users panel appears.
Figure 2: Zenoss Configuration Wizard: Step 1
Change the admin Password and Create a User
1. In the Set admin password area, enter and confirm a new admin password. You must enter a
password value to continue.
NOTE
The Zenoss admin (root) account has extended privileges, and its use should be
limited. Be sure to record the admin password and store it securely.
2. In the Create your account area, set up your Zenoss user account. Most of the time, you will use
this account to perform management tasks in Zenoss. Enter a unique user name, password, and
email address.
3. ClickSubmit.
The Step 2: Specify or Discover Devices to Monitor panel appears.
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Figure 3: Zenoss Configuration Wizard: Step 2 (Manual Add)
Add Devices
You can add devices manually, or give Zenoss network or IP address range information so it can
discover your devices.
Adding Devices Manually
1. For each device you want to add, enter the fully qualified domain name or IP address of a device
on your network.
2. In the Details area, select a device type from the list. If your device type is not listed, then use th
default selection. You can add different device types later from the Zenoss Dashboard.
3. Enter the appropriate credentials used to authenticate against the device.
NOTE
For more information about setting credentials, refer to Zenoss Administration.
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If you want to add more than one device, click +. Enter one hostname or IP address on each line.
Each device can have only one set of associated credentials.
4. To add the devices, clickSubmit.
The Dashboard appears, and Zenoss models the devices in the background.
NOTE
You can bypass device addition through the wizard. ClickSkip to the dashboard
to go directly to the Zenoss Dashboard. Later, you can add devices by following
the steps outlined in the section titled Add and View a Device.
Discovering Devices
1. Select the Autodiscover devices option.
Figure 4: Zenoss Configuration Wizard: Step 2 (Autodiscovery)
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2. For each network or IP range in which you want Zenoss to discover devices, enter an address or
range. For example, you might enter a network address in CIDR notation:
10.175.211.0/24
or a range of IP addresses:
10.175.211.1-50
3. If you want to enter multiple addresses or ranges, click +. For each network, you must enter a
netmask or IP range.
4. For each network or IP range, specify Windows, SSH, or SNMP credentials you want Zenoss to us
on the devices it discovers. You can enter only one of each. Zenoss will attempt to use the same
credentials on each device it discovers within the networks or IP ranges specified.
5. ClickDiscover.
The Zenoss Dashboard appears. Zenoss schedules jobs to discover devices in the networks and
ranges you specified. (You can see job status by clicking Jobs in the Navigation menu.)When discovery completes, a notification message appears in the Messages portlet on the
Dashboard.
NOTE
You can bypass device discovery through the wizard. Click Skip to the
dashboard to go directly to the Zenoss Dashboard. Later, you can discover
devices by following the steps outlined in the section titled
Device Auto-Discovery.
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Add and View a Device
If you skipped initial device addition through the Zenoss Configuration Wizard, or want to add more
devices through Zenoss more advanced device addition page, follow these steps.
Prerequisites
To add a device, you must have SNMP enabled. See the section titled Configuring Your Network
Devices to Interact with Zenoss for more information.
Add the Device
1. In the Management area of the Navigation menu (located at the left side of the screen), clickAdd
Device.The Add Device dialog appears.
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Figure 5: Add Device Dialog
2. Enter the following information or make selections in the dialog:
a Device Name Enter the fully qualified domain name or IP address of a device on your
network.
b Device Class Path For a Windows server, select /Server/Windows. For a Linux server, sele
/Server/Linux.
c SNMP Community Enter the SNMP community string for this device. (Setting SNMP
community strings globally is discussed later in this guide, in the section titled Setting SNMP
Community Strings Globally.)
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NOTE
You also can set up WMI monitoring of your Windows devices. Refer to the Zenoss
Administration Guide for more information.
3. ClickAdd Device.
As illustrated in Figure 6, Zenoss discovers the device, adds it to the list of devices, and then
gathers additional details about the device to create the device model.
Figure 6: Device Discovery
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The Status tab for the newly added Windows device appears.
Figure 8: Devices Status Tab
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View Device OS Information
5. Click the OS tab to see the interfaces, services, file systems, and routes for this device.
Figure 9: Devices OS Tab
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View Device Performance Graphs
6. Click the Perf(Performance) tab to see the type of performance data that Zenoss will collect for
this device. Performance graphs are defined at the device class level, and differ depending on the
device class to which the device is assigned.
NOTE
Because your device is new, graphs will not immediately appear, and will contain
less data than those illustrated in Figure 10.
Figure 10: Devices Performance Tab
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Set Up, View, and Acknowledge an Alert
Zenoss alerts are tied to user accounts or user groups, and occur when triggered by an event.
When an event is detected by the system, Zenoss categorizes it. Zenoss then examines defined
alerting rules to determine if the event matches any filters that would create an alert.
Create an Alerting Rule
To create an alerting rule:
1. From the Navigation menu, clickSettings.
2. Click the Users tab.
3. From the Users list, click your currently logged in user name (admin).
4. Click the Alerting Rules tab.
5. From the Alerting Rules table menu, select Add Alerting Rule.
Figure 11: Add Alerting Rule
The Add Alerting Rule dialog appears.
6. In the ID field, enter a name for the alerting rule, and then click OK. The newly created alerting
rule appears in the list.
NOTE
Zenoss recommends a descriptive naming convention for alerting rules, as
multiple rules may be active at one time. For example: Send email on error or
worse.
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7. Click the new rule in the list. The Rules definition tabs appear for the rule.
Figure 12: Edit Alerting Rule
8. Enter or select criteria for the rule:
a Delay Enter a value of 0.
b Enabled Select a value of True.
c Action Select email to email the alert.
d Address Optionally, enter an override email address to receive alerts. By default, Zenoss will
email alerts to the address associated with your user account.
e Where Use the default information in this area.
9. ClickSave.
NOTE
Refer to the Zenoss Administrators Guide for complete information about
alerting rules, including editing alert messages and alert schedules.
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Test an Alerting Rule
To test the alerting rule, create a dummy event in Zenoss to trigger it. To do this:
10. In the Classes area of the Navigation menu, clickEvents.
11. From the Events page menu, select Add Event. The Add Event dialog appears.
Figure 13: Add Event Dialog
12. Complete the dialog fields:
a Message Enter a text message. This message will appear in the event console.
b Device Enter the name of the device you added. The event will assert against this device.
c Severity Select Critical.
d Event Class Select /.
13. ClickOK.
The events console appears. The event you created appears at the top of the list of events.
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Figure 14: Event Console
View the Alert Email
NOTE
You must set up email before you can view email alerts. See the section titled
Managing Zenoss Users for more information.
14. Check your email (either the address associated with your account, or the additional address you
specified) to see the event triggered by the alerting rule.
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Acknowledge the Event
Acknowledging an event indicates that you are aware the event has occurred.
15. To acknowledge an event:
a Select one or more events in the Device Console.
b Select Acknowledge Events from the table menu.
Figure 15: Acknowledge Events
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Exploring Zenoss
Read this section to learn more about the Zenoss interface and how to customize it for your
preferences.
Zenoss Dashboard
Figure 16: Zenoss Dashboard
The Zenoss Dashboard provides at-a-glance information about the status of your IT infrastructure. It is
the primary window into devices and events that Zenoss enables you to monitor.
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The Dashboard can show:
Important error-level device events
Geographical high-level view Troubled devices
Key Dashboard and interface areas include:
Navigation Menu
Breadcrumbs
Device/IP Search
User Information Area
Portlets
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Navigation Menu
The Navigation menu lets you access most of Zenoss features. The menu is divided among several
functional areas. Figure 17 illustrates key selections from the Navigation menu.
Figure 17: Navigation Menu
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Breadcrumbs
The breadcrumbs area shows your current location in Zenoss. Use this trail to keep track of your
location and navigate to previously selected pages in the interface hierarchy.
Figure 18: Breadcrumbs (Navigation)
Device/IP Search
Enter all or part of a device name in the Device/IP Search field to locate a device. Alternatively, you ca
enter an IP address to find the device.
User Information Area
Figure 19: User Information Area
The User Information area offers information and selections:
Login ID The ID of the user currently logged in to Zenoss appears at the far left of this area.
Preferences Click to edit user settings, such as authentication information, roles, and groups
(You also can access user settings from the Navigation Menu Settings selection.)
From other Preferences tabs, you can manage administered objects, event views, and alerting
rules. Refer to the Zenoss Administration Guide for more information about editing user setting
Logout Click to log out of Zenoss.
Help Click to access Zenoss community product documentation, FAQs, and HowTos, at
www.zenoss.com/community/docs.
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Portlets
The main content of the dashboard (see Figure 16) comprises portlets, which provide information
about the system and your infrastructure. Portlets that you can display on the dashboard are:
Device Issues Displays a list of devices, associated with color-coded events of error or critical
severity levels.
Google Maps (device locations) Shows configured locations and configured network
connections.
Zenoss Issues Contains system self-monitoring information
Production States Shows devices assigned to a particular production state
Top Level (Root) Organizers Lists status for each grouping in your defined Zenoss hierarchy
Watch List Allows the display of high-level status on selected device classes, groups, systems,
event classes, and locations.
Customizing the Zenoss Dashboard
You can customize the Zenoss Dashboard by:
Selecting the portlets you want to monitor
Arranging portlets on the screen
Changing the Dashboard column layout
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Figure 20: Customize Dashboard
Customizing Portlets
You can customize each portlet that appears on the Dashboard. Customization options vary
depending on the portlet type.
Click* (asterisk), which appears at the top right corner of a portlet, to view and customize display
options. ClickSave Settings to save your selections and then return to main portlet content.
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Zenoss Menus
Zenoss offers two types of menus from which you make selections:
Page menus
Table menus
Page Menus
Page menus extend the tabs that appear at the top of the page. Generally, actions initiated through a
page menu affect the entire object that the page represents. This could be a device, event, or any
grouping of these elements.
As shown in Figure 21, the Page menu is expanded next to the Classes tab.
Figure 21: Page Menu
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Table Menus
Table menus generally affect objects in a table. Access table menus by clicking the triangle next to a
table title on a page. As shown in Figure 22, the Sub-Devices table menu is expanded.
Figure 22: Table Menu
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Configuring Your Network Devices to Interactwith Zenoss
This section offers guidelines on configuring outside and inside network access.
Configuring Unix-Like Devices
Configuring Windows Devices
Configuring Unix-Like Devices
Use these steps to make sure your device can communicate with Zenoss via SNMP.
NOTE
Configuration details for your platform may vary. Refer to the SNMP
documentation for your specific system.
1. Install Net-SNMP by using the package management mechanism supported by your Unix
(or Unix-like) system.
2. Make sure snmpd is installed and running.
3. Find the snmpd configuration file. Generally, it is located at /etc/snmp/snmpd.conf.
4. Back up the file by renaming it to snmd.conf-back.
5. Create a new snmpd.conf file in the same location.
6. Edit the new file to contain this single line:
rocommunity public
7. Restart the SNMP agent. As root, enter this command:
/etc/init.d/snmpd restart
Configuring Windows Devices
For Zenoss to gather data from your Windows devices, you must configure SNMP or WMI.
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Setting Up SNMP for Windows
1. Go to the Windows Services list on the device you want to monitor.
2. Determine whether the target device has an SNMP agent installed and running. If so, then it wil
appear in the Windows Services list.
Figure 23: Windows Services
3. Set access permissions to the agent. The current machines community string should be public
and allow connections from any host, as shown in the following figure.
Figure 24: SNMP Service Properties
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4. Ensure that the Windows Firewall allows incoming connections to the SNMP agent.
Figure 25: Windows Firewall
NOTE
Running the default Microsoft SNMP agent limits the information available to
you. To get the most detailed level of information from your Windows devices,
Zenoss recommends that you use SNMP Informant.
For more information about installing SNMP remotely on your Windows device, browse to the HowTos
section of the Zenoss Web site, at this location:
http://www.zenoss.com/community/docs/howtos/install-snmp-on-windows-remotely/
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Setting Up WMI for Windows
Follow these steps to create an account for Zenoss to obtain WMI information from Windows device
1. Set up a local Windows Administrator or Domain Administrator account.
You will use the login information for these accounts when setting the zProperties for zWinuser
and zWinPassword, when adding devices to Zenoss.
2. Run one of the following commands in the console to test WMI connectivity to the device:
If using a Windows Domain user:
winexe -U 'DOMAIN\USERNAME%PASSWORD' //TARGETSYSTEM 'typeperf -qx'
If using a local Windows user account:
winexe -U '.\USERNAME%PASSWORD' //TARGETSYSTEM 'typeperf -qx'
The system should simulate the way Zenoss collects data and intervals, and should return a list available perfmon counters.
If the list does not return, then make sure the user has administrator privileges on the Windows
system. Run this command to list all services on the remote Windows box.
wmic -U ".\USER%PASSWORD" //HOST "SELECT name FROM Win32_Service"
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Setting Up Zenoss to Interact with Your Devices
To set up Zenoss to interact with your devices, you must:
Set up zProperties
Set up SNMP communities you use in your environment
About zProperties
To set up Zenoss device interaction, you configure properties for each device. Called zProperties, these
properties also are part of the model of the device. Use zProperties to assign a range of device
characteristics, such as:
Collection methods
Timeouts
Access details (such as SSH, SNMP, and WMI)
zProperties can be inherited and defined at different levels of the device class hierarchy, from the
general / class to the individual device level. The lowest point in the hierarchy where this is defined is
the zProperty that is assigned to the device.
Accessing zProperties
To access zProperties:
1. Navigate to a device or device organizer.
2. Click the zProperties tab.
NOTE
If you cannot see the zProperties tab (such as at the Device level), select More
from the page menu, and then select zProperties.
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Figure 26: zProperties Selection
Setting SNMP Community Strings Globally
To set up SNMP communities used in your environment:
1. From the Navigation menu, select Devices.
2. From the Devices area, clickzProperties.
Windows zPropertiesIf you plan to use WMI monitoring, then you must set additional zProperties after the device is adde
This ensures that Zenoss can access all of the modeling information and collect performance data.
To set the Windows user name and password for a device:
1. Navigate to the device in the device list.
2. From the Page menu, select More, and then select zProperties.
3. Scroll down to the zWinPassword and zWinUser properties and enter appropriate data.
4. ClickSave.
For more information about zProperties, refer to the Zenoss Administrators Guide.
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Devices and Device Organizers
In Quick Start, you learned how to add a Windows device to Zenoss. Read this section to learn about:
Adding other device types
Auto-discovering devices in your network
Using device classes to optimize available monitoring information for each type of device on your
network
Adding Other Device Types
The information that Zenoss collects differs depending on the device class. Add one or more devices
to see how information is collected for other device types, and how that information differs depending
on the assigned device class. For example, add:
Linux server in the /Server/Linux device class
Microsoft Exchange Server in the /Server/Windows/MS-Exchange device class
Active Directory Server in the /Server/Windows/Active Directory device class
Microsoft SQL Server in the /Server/Windows/MS-SQL device class
After adding these devices, navigate to each device in Zenoss and view the data being collected on
the Status and Hardware tabs
Device Auto-Discovery
Zenoss can scan a range of IP addresses and discover hosts that respond to SNMP requests. It can then
add all devices at one time to the database. Zenoss accomplishes auto-discovery through the zendisc
daemon.
To add all devices from a given network or sub-network to Zenoss:
1. ClickNetworks on the Navigation menu.
The Networks Overview page appears.
2. Select the option next to the network for which you want to discover devices. You also can usethe Subnetworks table menu to add a network to the list.
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3. From the Subnetworks table menu, select Discover Devices.
Figure 27: Discover Devices
The Discover Device page appears and shows the status of all ongoing device collections.
Figure 28: Device Auto-Discovery
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During discovery, Zenoss sends out ICMP packets to every IP in a specific network. If an IP responds,
then Zenoss performs more detailed discovery and modeling on the device. It determines whether
SNMP is active, and then collects basic information such as interface and routing tables.
Organizing Devices After Auto-Discovery
After device discovery is complete, Zenoss places devices in the /Discovered device path. You should
subsequently move them to a more specific part of the tree. Servers normally are organized by OS, so
Windows machines might go, for example, to /Server/Windows. You also can use the device Edit tab to
add information to a device, such as its business system or location.
Use the Device List to view devices and then arrange them into different device classes and organizers.
To see the list, clickDevice List in the Navigation menu.
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Figure 29: Device List
Creating and Using Organizers
Within Zenoss, you can create organizers. Organizers let you monitor devices in logical groups.
Organizers you can create are:
Systems
Groups
Locations
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A device can be part of many groups or systems, but can be part of only one location.
The following procedure illustrates how to add a system, and then add devices to that system:
1. From the Browse by area of the Navigation menu, clickSystems.2. From the Sub-systems table menu, select Add New Organizer.
The Add Organizer dialog appears.
3. In the ID field, enter a name for the new system.
4. Optionally, nest additional systems and groups in the new system.
5. ClickOK.
The new system appears in the System lists.
6. To add devices to the system, navigate to a device, and then add it from the Edit tab.
Adding, Moving, and Nesting Locations
Read this section to learn how to create a location, and then how to move and nest that location. The
locations you create here are the same locations that Zenoss uses when creating a Google map of your
devices. You can use locations to add Google maps addresses.
To create a location:
1. From the Browse by area of the Navigation menu, clickLocations.
2. From the Sub-Locations table menu, select Add New Organizer.
The Add Organizer dialog appears.
3. In the ID field, enter the names of the new locations. For example, add Annapolis and Maryland.
Alternatively, you can specify a zip code.
4. Move the location /Annapolis into the /Maryland location.
5. Select the option next to the system you are moving.
6. From the Sub-Locations table menu, select Move Organizers.
The Move Organizers dialog appears.
7. From the list of options, select the location where you want to move the system.
At the top of the page, the breadcrumbs (navigation) path changes, and Annapolis is in the location
Maryland.
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To display the locations on the Dashboard:
1. From the Dashboard, click Add portlet link.
2. Select Top-Level Organizers.The Root Organizers portlet appears on the dashboard.
3. Click * (asterisk) at the top right corner of the Root Organizer portlet.
4. From the Root Organizers list of options, select locations.
This portlet will now display the status for the locations you have entered.
NOTE
You also will use these locations when creating a Google map.
Performance Monitoring
Read this section for information about monitoring a:
Windows server
Virtual Server (ESX) Host
Tomcat (or other Java/JMX Server
Monitor a Windows Server
ZenWinPerf is an Enterprise ZenPack that allows agentless performance monitoring of Windows
servers. It provides a data source, WinPerf, that uses a Windows performance counter rather than an
SNMP OID to specify the value to collect. WinPerf data sources are processed by the zenwinperf
daemon.
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Monitor a Virtual Server (ESX) Host
For lightweight monitoring of virtually hosted operating systems, install the ZenossVirtualHostMonitor
ZenPack.
The ZenossVirtualHostMonitor ZenPack:
Extends devices to support a relationship from host to guest
Extends ZenModeler to find Guest operating systems and add them to virtual hosts
Provides screens and templates for collecting and displaying resources allocated to guest
operating systems
Configuring the Virtual Host Server
To configure the virtual host server, you must select the Guest menu and ensure that the guest hostswere found when the devices were added. Using the VMware Virtual Infrastructure Client, add Zenoss
to the list of destinations for SNMP traps. See the Menus Administration > VirtualCenter Management
Server Configuration > SNMP. Optionally, you can install the VMware ESX MIB files in Zenoss. You also
must ensure you have SNMP connectivity to your ESX 3.0 servers.
Adding the Virtual Host Server to Zenoss
Add and model your ESX 3.0 servers by using the /Servers/Virtual Hosts/ESX device class.
NOTE
If you have already modeled these servers, you must first remove and then
recreate them under the ESX device class. Do not move them.
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Monitor a Tomcat (or Other Java/JMX) Server
Use the instructions in this section to prepare for and set up monitoring of a Tomcat or other Java/JM
server.
Device Preparation for the Tomcat Server
When you start your Tomcat server, you must enable JMX access with these commands:
JAVA_OPTS="-Dcom.sun.management.jmxremote.port=12346"
JAVA_OPTS="${JAVA_OPTS} -Dcom.sun.management.jmxremote.authenticate=false"
JAVA_OPTS="${JAVA_OPTS} -Dcom.sun.management.jmxremote.ssl=false" \
export JAVA_OPTS
NOTE
If you prefer to use a WebLogic or JBoss server, see the configuration notes
located at:
http://dev.zenoss.org/trac/browser/trunk/zenpacks/ZenJMX/notes.txt
Look at the list of Loaded Zen Packs to verify that the ZenJMX ZenPack is installed. Select Settings
from the Navigation menu, and then click the ZenPacks tab to see the list.
Figure 30: ZenPacks - Loaded Zen Packs
http://dev.zenoss.org/trac/browser/trunk/zenpacks/ZenJMX/notes.txthttp://dev.zenoss.org/trac/browser/trunk/zenpacks/ZenJMX/notes.txthttp://dev.zenoss.org/trac/browser/trunk/zenpacks/ZenJMX/notes.txthttp://dev.zenoss.org/trac/browser/trunk/zenpacks/ZenJMX/notes.txt -
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Monitoring the Tomcat Server
Use these instructions to set up Zenoss to monitor a Tomcat server.
1. Add the Java server device to your preferred device class.
Tip: You might, for example, set up a Java Servers class under the Server device class and add the
device in that location.
2. When adding the device, set the discovery protocol to None. (In this case, the SNMP model will
not add significant additional information.)
3. Navigate to the newly added Java server device.
The Status tab appears.
4. From the page menu, select More, and then select Templates.
The Templates tab appears.
5. From the Table menu, select Bind Templates.
The Bind Templates dialog appears.
Figure 31: Bind Templates Dialog
6. Bind the ZenJMX template (loaded with the ZenJMX ZenPack). Use Control+Clickto select
multiple items in the dialog, and then clickOK.
7. When the Templates tab re-appears, the ZenJMX template will also appear in the list. Click the
template in the list.
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Change Data Source Parameters
In the next set of steps, you will change some of the parameters of the Data Sources. These Data
Sources are provided through Java, and must be fine-tuned for Zenoss. These sample steps illustrate
changing the Heap memory Data Source.
1. In the Data Source list, select Heap Memory.
The Heap memory Data Source page appears.
Figure 32: Heap Memory Data Source
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2. Make sure that the Enabled field is set to a value of True.
3. In the Connection and Metadata Information area, make sure that the value of the Management
Port field is set to the same value as the management port on your Java server.
4. In the Remove Authentication Information area, make sure that:a If you have remote authentication enabled on your server, you have also enabled it in Zenoss.
b Zenoss and server values match.
5. ClickSave.
To see where the JMX information appears in the device model, navigate to the device through
the device list, and then click the Perftab for the device.
These performance graphs should appear on the page:
ZenJMX Non-Heap Memory
ZenJMX Heap Memory
ZenJMX Open File Descriptors
ZenJMX Thread Count
The graphs are created by ZenJMX. When the graphs are initially loaded, they will not display
actual data.
Figure 33: Performance Graphs (No Data Displayed)
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Collecting and Displaying Data
You must restart the ZenJMX daemon to begin collecting and displaying data. To restart the daemon
1. In the Navigation menu, clickSettings.
2. Click the Daemons tab.
3. Next to the ZenJMX entry, clickRestart.
Event Management
The event console is Zenoss central nervous system, enabling you to view and manage events. It
displays the repository of all events that are detected by the system.
To access the event console, clickEvent Console in the Navigation menu.
Figure 34: Zenoss Event Console
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Sorting and Filtering Events
You can sort events that appear in the event console by:
Device
Component
Event class
Summary
First time the event was detected (firstTime)
Last time the event was detected (lastTime)
Number of times the event was detected (Count)
To sort events by a category, click a column header. Clicking the header toggles between ascending
and descending sort order.
You also can sort events by:
Severity Select to filter by Critical, Error, Warning, Info, Debug, or Clear.
State Select to filter by new, acknowledged, or suppressed events.
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Viewing Event Details
You can view details for any event in the system. To view details, click the magnifying glass in the
right-most column of an event row. The Event Detail window appears, showing the Fields tab.
Figure 35: Event Details
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Selecting Events
To select one or more events in the list, you can:
Click the box next to one or more events
Use the Selection area to select all, acknowledged, or unacknowledged events.
Figure 36: Selecting Events
Managing Events
You can manage events from the event console. After selecting an event, you can:
Acknowledge the event
Move the event to history
Map the event to a specific location
You can navigate to the component where an event was triggered. Click a component in the list to go
to its Device Status page.
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Creating Test Events
While most events are generated by the devices in your system, Zenoss also provides the ability to
generate test events about any device in the system. This feature is helpful when you are testing ortrying a new setup.
To create a test event:
1. ClickEvents in the Navigation menu.
The Events page appears.
2. Select Add Event.
The Add Event dialog appears.
Figure 37: Add Event Dialog
3. Enter and select details about the test event and device you want to test, and then clickOK.
The event appears in the system, according to the criteria you set.
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Managing Zenoss Users
You use Zenoss user accounts to associate rules and permission, and alerting rule behavior, with a
specific user. Along with assigned permissions, user accounts comprise login and contact informationfor a user.
Creating a User Account
To create a Zenoss user account:
1. Log in as administrator.
2. From the Navigation menu, clickSettings.
3. Click the Users tab.4. From the Users table menu, select Add User.
The Add User dialog appears.
Figure 38: Add User
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5. Enter a user name and email address for the user account. Alert messages will be sent to the em
address you set here.
6. ClickOK. The new user appears in the list.
Adding User Account Details
To add details to a user account:
1. Click the user name in the Users list.
The User details page appears.
2. Enter or select details for the user account, and then click Save.
Troubleshooting Device Connectivity Issues
If your Zenoss instance relies on SNMP to collect information from remote systems, use these tips an
tricks to identify and help solve SNMP issues with the devices on your network.
Identifying SNMP Agent Issues
Make sure an SNMP agent is running and accessible from the Zenoss server. To check, run this
command on the Zenoss server:
$ snmpwalk -c YOUR_COMMUNITY_STRING -v1YOUR_DEVICE_IP
NOTE
If you do not know your community string, trypublic.
If the system returns this string, then the device is not answering to your SNMP request:
Timeout: No response from xxx.xxx.xxx.xxx
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Resolving Linux SNMP Issues
Depending on your device platform, there are several reasons that the device may not be answering
the request. To resolve this problem, you can:
Check permissions and DLLs on the agent side
Ensure that there is an SNMP daemon running on the target device. To determine if the daemon is
running, issue this command:
netstat -an | grep -i udp
If you see an entry that looks like this, then the agent is running but Zenoss cannot get the
information for another reason:
udp 0.0.0.0:161 0.0.0.0:*
If the SNMP daemon is running, but the configuration does not allow connections, then add this
line to the /etc/snmp/snmpd.conf file to grant read access to Zenoss:
rocommunity public
Check firewalls
There may be a firewall on the target device, or between the Zenoss server and the target device.
Use the tcpdump command to debug this issue.
NOTE
Refer to the Zenoss Administration Guide for information about how to use
Zenoss through a firewall.
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Additional Zenoss Resources
For more information and help, go to one of these Zenoss resources on the Web.
Zenoss Product Guides
http://www.zenoss.com/community/docs
Zenoss Wiki
http://www.zenoss.com/community/wiki
Zenoss FAQ
http://www.zenoss.com/community/docs/faqs
Zenoss Users Mailing Lists
http://www.zenoss.com/community/discuss/lists
Zenoss User Forum
http://community.zenoss.com/forums/
Zenoss Blog
http://blog.zenoss.com
http://www.zenoss.com/community/docshttp://www.zenoss.com/community/docshttp://www.zenoss.com/community/wikihttp://www.zenoss.com/community/wikihttp://www.zenoss.com/community/docs/faqshttp://www.zenoss.com/community/docs/faqshttp://www.zenoss.com/community/discuss/listshttp://www.zenoss.com/community/discuss/listshttp://community.zenoss.com/forums/http://community.zenoss.com/forums/http://blog.zenoss.com/http://blog.zenoss.com/http://blog.zenoss.com/http://community.zenoss.com/forums/http://www.zenoss.com/community/discuss/listshttp://www.zenoss.com/community/docs/faqshttp://www.zenoss.com/community/wikihttp://www.zenoss.com/community/docs