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Zenoss Quick Start Guide

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					                         Quick Start Guide
                        For Zenoss Version 1.0




August 11, 2011
Document Version. 1.0
Zenoss Quick Start Guide



                                            Table of Contents
1     Overview ....................................................................................................... 4
    1.1      Finding Additional Help .................................................................................... 4
2     What You Need Before You Start ............................................................... 5
    2.1      A Windows or Linux System where you can install and run VMplayer .............. 5
    2.2      The Free VMware player ................................................................................. 5
    2.3      The Zenoss Virtual Appliance .......................................................................... 5
    2.4      Network server you can bring down and back up ............................................. 5
    2.5      A little time to step through this guide .............................................................. 5
3     Install and Run Zenoss as a Virtual Appliance ......................................... 6
    3.1      Open and Start the Zenoss Virtual Appliance................................................... 6
    3.2      How Do You Know You Have Installed Zenoss Correctly?............................... 8
     3.2.1      Stopping and Starting a Zenoss Process .................................................................. 8
4     Create a New Zenoss User Account ........................................................ 10
    4.1      Create a New User Account........................................................................... 10
    4.2      How Do You Know You Have Created A New User Successfully? ................ 12
5     Add a Device to Monitor ............................................................................ 14
    5.1      Add a Device to Zenoss ................................................................................. 14
    5.2      How Do You Know You Added a Device Successfully? ................................. 16
6     Create an Alert ........................................................................................... 17
    6.1      Creating A New Alert ..................................................................................... 17
    6.2      Define and Enable This Alert ......................................................................... 20
    6.3      How Do You Know You Have Created an Alert Correctly?............................. 20
7     Monitoring Device Performance ............................................................... 22
    7.1      See Graphically Generated Performance Data .............................................. 22
    7.2      How Do I Know That I Am Monitoring Interface Performance? ...................... 27
8     Monitoring Event Occurrences................................................................. 28
    8.1      Seeing Events Using the Event Screen.......................................................... 29
    8.2      How Do You Know If Events you Have Created Appear in the Interface? ...... 29
9     Monitoring a Process ................................................................................ 31
    9.1      Adding a Process to Monitor .......................................................................... 31
    9.2      How Do I Know the Process I Have Added is Being Monitored? .................... 34
10 What’s Next in the World of Zenoss for You? ......................................... 35




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                                                        List of Figures
Figure 1 - Zenoss Dashboard (Initial view) ...................................................................................... 8
Figure 2 - Users Administration Page............................................................................................ 10
Figure 3 - User List showing new user .......................................................................................... 11
Figure 4 - Individual User Administration Page ............................................................................. 12
Figure 5 - User Administration Page (Showing new user) .......... Error! Bookmark not defined.10
Figure 6 - Add Device Page .......................................................................................................... 14
Figure 7 - Add Device Status Page ............................................................................................... 15
Figure 8 - Main Device Page ......................................................................................................... 16
Figure 9 - Settings Page ................................................................................................................ 17
Figure 10 - Alerting Rules Tab....................................................................................................... 18
Figure 11 - Alerting Rules Tab (Showing new alert) ...................................................................... 19
Figure 12 - Alert Details Page Edit tab .......................................................................................... 20
Figure 13 - Devices Page (showing Status tab) ............................................................................ 23
Figure 14 - Devices - Server Page (showing Status tab) ............ Error! Bookmark not defined.20
Figure 15 - Windows Server Device Page (showing Status tab) .................................................. 24
Figure 16 - Individual Device Status Page .................................................................................... 25
Figure 17 - Device OS tab ............................................................................................................. 26
Figure 18 - Interface Performance Graphs ................................................................................... 27
Figure 19 - Zenoss Dashboard (Showing Critical error for win2003 server) ................................. 28
Figure 20 - Events Page - Status Tab ........................................................................................... 29
Figure 21 - Processes Page - Overview Tab (Initial view) ............................................................ 31
Figure 22 - Processes Page - Overview Tab (Entering new process) .......................................... 32
Figure 23 - Process Overview (Showing New Process)................................................................ 33
Figure 24 - Process Status Page (Showing Monitor bit set to True) ............................................. 34




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1 Overview
The purpose of this document is to get you up and running using the Zenoss system and show
you how to do some basic system monitoring tasks. Following the steps will:
                 Guide you through a virtual appliance install of Zenoss
                 Create a new Zenoss User Account
                 Take you through adding a device from your network
                 Help you create an alert that you will notify you when a given event occurs.
                 Show you how to monitor that device for performance and events.
Hopefully this will give you an idea of the basic capabilities Zenoss has and also give you a peek
into more advanced capabilities and functionalities.
    Finding Additional Help
If you need additional help, or have some troubleshooting questions, see the Zenoss website for:
         Zenoss Installation Instructions
              o   http://zenoss.com/support/install
         Zenoss Virtual Appliance Guide
              o    http://www.zenoss.com/download/latest/vappdoc
         Zenoss Admin Guide
              o    http://www.zenoss.com/download/latest/docs
         Zenoss Wiki
              o   http://dev.zenoss.org/trac/wiki
         Zenoss FAQ
              o   http://dev.zenoss.org/trac/wiki/FAQ
         Zenoss Users Mailing List
              o   http://lists.zenoss.org/mailman/listinfo/zenoss-users
         Zenoss Mailing List Archive
              o   http://lists.zenoss.org/pipermail/zenoss-users/2006/thread.html
If you have comments or questions about this document, please direct them to:
docs@zenoss.com




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2 What You Need Before You Start
    A Windows or Linux System where you can install and run VMplayer
This system should be on the network you would like to monitor and the account you use to install
everything should have administrative privileges. It does not matter if it is a fixed or dynamic IP or
whether the device is attached using Ethernet or wireless.
    The Free VMware player
The free VMware player is available from:
http://www.vmware.com/download/player/
For a typical host system for a VMware installation, you should have a 400MHz or faster
processor (500MHz recommended) and 128MB RAM minimum (256MB RAM recommended).
You must have enough memory to run the host operating system, plus the memory required for
each guest operating system and for applications on the host and guest. Hard disk space
requirements consist of at least 1GB free disk space for each guest operating system (See your
guest operating system and application documentation for their memory requirements) VMware
Player requires approximately 150MB of disk space to install the application.
NOTE: You can also run the virtual appliance using the free VMserver or workstation. In the type
of configuration, you can run the Zenoss virtual appliance and also the sever which you can then
monitor in a pure virtual environment on same machine. For more information about running
Zenoss under this type of configuration, see the documentation from rpath.com. Specifically, take
a look at their VMserver and workstation documentation.

    The Zenoss Virtual Appliance
Download the Zenoss Virtual Appliance from:
http://zenoss.com/download/
The link you will follow is called “VMware Virtual Appliance Package” and is a .zip file.
Once you have downloaded this file, unzip it into the directory where you want to work.
NOTE: There is an additional dependency for sending alerts. The Zenoss Virtual Appliance does
come with an SMTP Server installed, but you may have firewall or other issues that could prevent
you from sending mail to and from this virtual appliance. You can change mail server settings (if
necessary) using the Settings Menu on the left navigation menu and changing the SMTP settings
to a server where you know you have permissions to send mail.

    Network server you can bring down and back up
You will also need a server on your network that you can identify by name or IP and you can
bring down and back up again to simulate an event occurrence. Zenoss uses SNMP to gather
information about the devices, so make sure SNMP is installed. If you choose a Windows Sever
to add for this example, make sure you have also installed Zenwin (to monitor WMI services) or
SNMP-informant (to monitor using SNMP). Zenwin is available from Zenoss at
http://www.zenoss.com/downloads/ and SNMP Informant program and instructions are available
from http://www.snmp-informant.com/.

    A little time to step through this guide
Once you start using Zenoss, you will have more of this.




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3 Install and Run Zenoss as a Virtual Appliance
A virtual appliance allows you to run Zenoss as a virtual appliance using a free VMware
virtualization player. A VMware Player is a free desktop application that lets you run a virtual
machine on a Windows or Linux PC.
    Open and Start the Zenoss Virtual Appliance
    1. Install and Start the VMware player.
          Use the instructions provided by the player to run the VMware player.
    2. Use the VMware player to navigate to the directory where you unzipped the Zenoss
       Virtual Appliance package and open the Zenoss Virtual Appliance.
          The URL you will use to connect to the Zenoss web UI will be listed on the machine
          console. It will appear as something similar to:
 Management console is available at: http://xxx.xxx.xxx.xxx:8080/zport/dmd

    NOTE – If there is not an IP address where xxx.xxx.xxx.xx above appears, you may need to
    change the connection information in the VMware player. To change this connection
    information, in the VMware player, there is an Ethernet button. Click the down arrow to the
    right of Ethernet. The default is Bridged, but sometimes you may find that NAT actually works
    better.
    3. While still in the command line, when prompted for local host login, enter “root”.
 Local host login: root

    4. Open a new web browser (Zenoss runs most consistently using Mozilla Firefox) and
       enter the URL that appears in the login screen.




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Figure 1 - Zenoss Login Screen
   When the login prompt appears, log in as:
          User: admin
          Password: zenoss
   5. Click OK.
   The main Zenoss Dashboard page appears.




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Figure 2 - Zenoss Dashboard (Initial view)

    How Do You Know You Have Installed Zenoss Correctly?
If you have installed the Zenoss virtual machine correctly, you will be able to open the URL given
to you by the VMware player in a web browser. You can also verify that the Zenoss daemons are
indeed up and running in the virtual appliance. Interacting with Zenoss using the command will
allow you to verify this. The following section will show you what Zenoss daemons are running
and also how to stop and start an individual daemon.
3..1      Stopping and Starting a Zenoss Process
This section will step you through starting and stopping a Zenoss process as well as checking the
status of the Zenoss daemons that are currently running on your system. This will also familiarize
you a little bit with the command line of the virtual appliance (VMware interface) where the
Zenoss appliance is running. You can now
    1. Log into the virtual appliance through a terminal window or using SSH.
    2. Navigate to the root directory.
    3. Enter the command:
            $ zenoss status

          A listing of all the Zenoss daemons appears letting you know which processes are
          running.
    4. For this example, we will have you stop the ZenPing process.
          Enter the command:
            $ zenping stop

    5. To see that the ZenPing process is listed as stopped, from the command line, enter the
       command


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            $ zenoss status

          A listing of all the Zenoss daemons appears letting you know which processes are
          running. Notice that ZenPing is now listed as stopped.
   6. Now restart the ZenPing process. From the command line, enter:
            $ zenping start

   7. Once again enter:
            $ zenoss status

          and see that ZenPing is indeed up and running again.




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4 Create a New Zenoss User Account
It is important to create additional user accounts for change tracking and alerts etc. within the
Zenoss system. After you log into the Zenoss interface for the first time, the first thing you will do
is create a new user account for yourself.
    Create a New User Account
    1. From the menu on the left side of the Zenoss Dashboard, select Users.
          The Users Administration page appears.




Figure 3 - Users Administration Page
    2. Enter a name for the account in the Userid field.
          For optimum performance, these names should be in all lowercase and not contain any
          spaces. In this case we named the user “docs”
    3. Enter an email address for the user account.
          This is the address where any alerts you set up for this user will be sent. In our example,
          we used docs@zenoss.com as the email address.
    4. Click the Add button.
          The user appears in the User List.




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Figure 4 - User List showing new user
   5. Click the name of the user you just created in the new list.
          Individual User Administration page for the newly created user appears.




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Figure 5 - Individual User Administration Page
    6. Assign a password for the user. Enter it again to confirm it in the next text box.
          You can also edit the email address and/or enter a pager number.
    7. Assign a Role to the account.
          The Manager role has most privileges. If you are going to be using this account for
          yourself to administer the site, choose Manager.
    8. Set the Default Admin Level. The Default Admin level sets the permissions level in the
       Zenoss system. One (1) is the highest level of permissions available.
    9. Set the Default Page Size. The default page size refers to how many lines of data to
       show on each screen. Default for this setting is 40.
    10. Click Save.
          Now you have created a new user.
    11. Click Users in the left menu.
          The new user account appears in the User list.
    12. Log out from the Administrator role by clicking Logout from the top right corner of the
        page. Now log back in as the user you just created.
      If you have done this successfully, the dashboard will re-appear and you will see the new
      username in the upper right corner.
    How Do You Know You Have Created A New User Successfully?
You will know you have created a new user successfully if the new user account appears in the
User list when you click on the Users link from the left menu in the Zenoss Dashboard. Also you




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will know your account has been successfully created if you can log in using the account you
created.




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5 Add a Device to Monitor
Zenoss monitors devices that you add to the system. This section will walk you through adding a
device using SNMP.
    Add a Device to Zenoss
    1. From the menu on the left side of the page, select Add Device.
    The Add Device page appears. The only 2 fields that are required to create a new device are
    the Device Name and the Device Class path.




Figure 6 - Add Device Page
    2. In the Device Name field, enter the network (DNS) name or IP address of the device and
       select a Device Class Path. These are the only two fields that are required for adding a
       new device. For this example, we are adding a Windows Server with a network name of:
       win2003.zenoss.loc.
          Additionally, you can see all of the fields and areas where you can add additional
          information about a device.


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   3. Choose a device class from the Device Class drop-down list.
          We will classify this sever as a windows server so we choose /Server/Windows as the
          device class path.
   4. Scroll down to the bottom of the page and click the Add Device button.
          A Status page appears with all of the log information of the operations Zenoss is using to
          gather information about the device.




Figure 7 - Add Device Status Page
   5. Scroll to the bottom of this page and click the link that says:
          Navigate to device <device name>
          In the case of our example, the link is:
          Navigate to device win2003.zenoss.loc
          The Main Device page for the server appears:




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Figure 8 - Main Device Page
NOTE: In environments where you have a large number of devices and it would be impractical to
add each device individually, you can also add all of the devices on your networks using an auto-
discovery feature. Currently, this must be done from the command line. Refer to the Zenoss
Administrator’s Guide for more information.

    How Do You Know You Added a Device Successfully?
You will know the device you have added was added successfully if the status page gives you the
link to the device at the end of the status messages. The log from this page will also help to
identify the reasons a device was not added successfully to the system.




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6 Create an Alert
In this section you will create an alert to let you know when an event occurs. Then you will cause
an event to happen, and then make sure the alert occurs. An alert notifies you when there is a
change in one of the components as you define it. This alert can be sent to a pager or through
email.
NOTE: There is an additional dependency for sending alerts. The Zenoss Virtual Appliance does
come with an SMTP Server installed, but you may have firewall or other issues that could prevent
you from sending mail to and from this virtual appliance. You can change mail server settings (if
necessary) using the Settings Menu on the left navigation menu and changing the SMTP settings
to a server where you know you have permissions to send mail.
    Creating A New Alert
    1. From the upper right corner of the Zenoss Dashboard, click the Preferences link.
          The Preferences page appears.




Figure 9 - Settings Page
    2. Select the Alerting Rules tab.




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Figure 10 - Alerting Rules Tab
   3. In the Name field, enter a name for the alert.
      In this case, we named the alert the “docs-email-alert”.
   4. Click the Add button.
          The main Alerting Rules tab appears showing the alert you just created.




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Figure 11 - Alerting Rules Tab (Showing new alert)
   5. Click the name of the Alert you created
          In this example, we called the alert “docs-email-alert”.
          The Alert Details page appears.




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Figure 12 - Alert Details Page Edit tab

    Define and Enable This Alert
Set these attributes from the Alert Details page.
    1. To enable the alert, set Enabled to True.
    2. To make the alert send an email, set the Action field to email.
    3. If In the Address (optional) field, enter the email address where you want the alert to go.
          In this case use your email address or the address you used when setting up the Zenoss
          User. It is important that you use a valid address you can check because we will test the
          Alert.
    4. Click the Save button.
          You have now created a new alert that is set to send email when any system events
          greater than Error occur.
          You can use the other tabs to further define the alert. These more advanced features
          available in the Message and Schedule tabs are detailed in the Zenoss Administrator’s
          Guide.

    How Do You Know You Have Created an Alert Correctly?
You can test the Alert you have created, by shutting down the device you have added and
chosen to create an alert for. Now check your email to see if you received an alert from Zenoss
detailing this event. The text of the alert email will appear similar to this:
 Device: win2003.zenoss.loc
 Component:
 Severity: 5
 Time: 2006/10/05 12:54:40.865


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 Message:
 win2003.zenoss.loc ip 192.168.1.12 is down
 Event:
 http://tilde.zenoss.loc:8080/zport/dmd/ZenEventManager/viewEventFields?evid=0a
 6595f13472edd0ffffffe

If you did not receive the Alert, it is still possible that you have created the alert correctly.
Depending on the elapsed time between when you added the device and the time it took you to
create the alert it is possible that the device is not being monitored yet. There can be a delay of
up to 30 minutes before the device is monitored. This is the interval at which the system remodels
the network. It does this at this interval to conserve computing resources. Wait 30 minutes and
then restart the device and check for the alert, and check the dashboard to make sure Zenoss is
aware of the event. It is rare that this will take the full 30 minutes, but that is the maximum.




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7 Monitoring Device Performance
Zenoss allows you to see graphical representation of the performance of devices you have added
to the system. This section will show you some of the basic graphs of the system and point you in
the direction of where you can see the more advanced features for creating your own customized
graphs. The following kinds of monitoring are available:
         Availability Monitoring
              o   Process Monitoring
              o   TCP Service Monitoring
              o   Windows Service Monitoring
         Performance (Resource) Monitoring
              o   File System Monitoring
         Interface Monitoring
              o   CPU Monitoring
              o   ICMP Topology
NOTE: There can be up to a thirty (30) minute delay for graphing capabilities due to the interval
that Zenoss retrieves device data. You can speed this process along by restarting the Zenoss
Daemon “zenperfsnmp”. To restart this daemon, from the left navigation menu, select About and
click the Status tab. Next to “zenperfsnmp”, click the Restart button and the graphs will appear.
The data that will appear may be limited, but the graphs will be there.
    See Graphically Generated Performance Data
For this example we will have you look at some of the Interface performance data for the server
(win2003.zenoss.loc).
    1. To see interface performance for this device, you must first navigate to the device in the
       GUI. Your path may be different depending on what type of server you added or what
       path you used to classify it. For our win2003 server, from the left menu on the Zenoss
       dashboard, click the Devices link.
          The Devices page appears showing the Status tab.




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Figure 13 - Devices Page (showing Status tab)
   2.     Click the Devices tab.
          The Device tab appears showing all of the devices you have entered into the system.




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Figure 14 - Device Page (showing Devices tab)
   3. From the Devices tab click the link for the device you added. In this case, it is:
      win2003.zenoss.loc Clicking on the device name will make the main Device page appear
      for the device you have selected.




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Figure 15 - Individual Device Status Page
   4. Now you will navigate to the Interfaces area to see the graphs. Click the OS tab.
   The Device OS tab appears.




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Figure 16 - Device OS tab
   5. Now you can choose an interface where you want to see performance data graphs.
          In this case, we will choose the “Broadcom NeXtreme Gigabit”
   6. Click the name of the interface.
   The graphs for the selected interface appear.




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Figure 17 - Interface Performance Graphs
Here you can see the performance of the interface over a given amount of time (selectable at the
top of the page). You can customize what these graphs show and how they appear using the
PerfConf tab and editing the template for the data. This type of customization will be explained in
more detail in the Zenoss Administrator’s Guide.

    How Do I Know That I Am Monitoring Interface Performance?
If you can see the graphs similar to what you see above, you will know that you are seeing the
interface graphing properly. If the graphs do not appear, this could be for a few reasons. An
important one to consider is that once a device is added to the system, it can take up to 30
minutes to appear in the interface graphs. So if that much time has not elapsed, perhaps wait and
return a little later.
Also, it could be that the device you are using for your example is not configured properly. You
can also see some graphs if you just go to the main device page and click the Perf tab.




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8 Monitoring Event Occurrences
In this section you will see how to monitor the availability of a device and see the performance of
a device in graphical form. The main devices page gives you The Zenoss Dashboard is the
central gateway for seeing errors on al of the devices in your Zenoss system and monitoring
these devices. The following figure shows the event of restarting our chosen server
(win2003.zenoss.com) in the dashboard.




Figure 18 - Zenoss Dashboard (Showing Critical error for win2003 server)
There is a Systems Level Event summary that will show any Events grouped by severity and also
show a list containing these events.
Event Severity Color Key
          Color               Severity
          Red                 Critical
          Orange              Error
          Yellow              Warning




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          Blue                Information
          Grey                Debug


    Seeing Events Using the Event Screen
You can also use the Events screen to see a complete listing of all the Events occurring in the
system.
From the menu on the left side of the page, select Events.
The Events page with the Status tab open appears.




Figure 19 - Events Page - Status Tab
This page gives you a summary of all of the Events that have occurred in the system.

    How Do You Know If Events you Have Created Appear in the Interface?
If you restarted the device you added in the Alerts section, that event will appear in this summary.
Again, if the time elapsed between when you first added the device to the system and the time
you restarted the device is less than 30 minutes the event may not appear. To make sure the




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event does appear make sure to wait at least 30 minutes after you enter the device and when you
restart it to make the Alert fire.




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9 Monitoring a Process
You can configure Zenoss to monitor process as they occur throughout your system.
From the Zenoss Dashboard, from the menu on the left side of the page, select Processes. The
Processes page appears:




Figure 20 - Processes Page - Overview Tab (Initial view)

   Adding a Process to Monitor
To add a process, enter the regular expression (regex) name of the process you want to monitor
in the Processes field and click the Add button. In this case, we have added “snmpd” as the
process we want to monitor.




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Figure 21 - Processes Page - Overview Tab (Entering new process)
The process is added and the Processes window re-appears showing the process you just
entered.




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Figure 22 - Process Overview (Showing New Process)
Now you are monitoring this process, so after a remodel (which you can do manually or it occurs
at 6 hour intervals), it will show every device (occurrence) where this process is running. As such,
the process is now being monitored wherever it occurs.




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    How Do I Know the Process I Have Added is Being Monitored?
If you click on the process name in the Process area of the Process Page overview, you will see
a page showing the status of the process.




Figure 23 - Process Status Page (Showing Monitor bit set to True)
In this page, you can see the monitor bit set to True. Also, if this process is actually running on
any of the devices you have added to the system, the devices will appear in the Process
Instances Area.




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10 What’s Next in the World of Zenoss for You?
Now that you have done some of the basic operations in Zenoss, you have the foundation to
deploy Zenoss in a bigger environment or a production environment.
         You can build and run Zenoss from the tar ball version. A true build and run of Zenoss on
          an actual machine, however, with that come more external dependencies and
          environmental variables. This is the version that you would install directly on to a
          dedicated server.
         Do a network sweep to add all the devices in your network
         Explore the details of the Zenoss web interface to get to the level of specificity you want
          to go to with our devices.
         Customized reporting, monitoring, and alerting.




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