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Version: 23.04

Creating hosts manually

To create a host manually:

  1. Go to Configuration > Hosts > Hosts and then click Add.
  2. Fill in the fields (see below), then click on Save.
  3. Deploy the configuration.

Host configuration tab​

Host basic information​

  • The Name field defines the host name that will be used by the Monitoring Engine. The following characters are not authorized: ~!$%^&|'"<>?,()=*{} and spaces.
  • The Alias field shows the alias of the host.
  • The Address field defines IP address or DNS name of the host. The Resolve button enables us to resolve the domain name by questioning the DNS server configured on the central server.
  • The SNMP Community & Version fields contain the name of the community and the SNMP version.
  • The Monitoring server field indicates which poller server is charged with monitoring this host.
  • The Timezone field indicates the timezone location of the monitored hosts.
  • The Templates field enables us to associated one or more templates of hosts with this object.

In case of conflicts of settings present on multiple templates, the host template above overwrites the identical properties defined in host templates below.

This button enables us to change the order of host templates image This button serves to delete the host template image

  • If the Create Services linked to the Template too field is defined as Yes, Centreon automatically generates the services based their self on the service templates linked to the host templates defined above (see the templates chapter).

Host check options​

  • The Check Command field indicates the command use to check the availability of the host.

  • The Args field defines the arguments given to the check command (each argument starts with a ”!”).

  • Custom macros:

    • The Name and Value field enable us to define the name and value of the macro.
    • The Password box enables the value of the macro to be hidden.

    To reinitialize to the default value (defined in template) click on image

    To view the description of the macro, click on image

    To delete the macro, click on image

    To change the order of the macros, click on image

Scheduling options​

  • The Check Period field defines the time period during which the scheduler checks the status of the object.
  • The Max Check Attempts field defines the number of checks to be performed before confirming the status of the host: when the status is confirmed the notification process is triggered.
  • The Normal Check Interval is expressed in minutes. It defined the interval between checks when the host status is OK.
  • The Retry Check Interval is expressed in minutes. It defined the check interval of the Not-OK status of the host.
  • The Active Checks Enabled and Passive Checks Enabled fields enable / disable the active and passive checks.

Notification tab​

  • The Notification Enabled field enables us to enable or disable the notifications concerning the object.

  • The list of Linked contacts indicates the contacts which will receive the notifications.

  • The list of Linked contacts Groups indicates the groups of contacts which will receive the notifications.

    If, on page Administration > Parameters > Centreon UI, the Vertical inheritance only option is enabled, two extra checkboxes appear:

    • If the Contact additive inheritance box is checked, Centreon does not overwrite the configuration of the parent host template but adds the contacts in addition to the contacts defined in the parent template.
    • If the Contact group additive inheritance box is checked, Centreon does not overwrite the configuration of the parent host template but adds the contact groups in addition to the contact groups defined in the parent template.

  • The Notification Options define the statuses for which a notification will be sent.

  • The Notification Interval is expressed in minutes. It indicates the time between sending each notifications when the status is Not-OK. If the value is defined as 0 the scheduler sends a single notification per status change.

  • The Notification Period field indicates the time period during which the notifications will be enabled.

  • The First notification delay is expressed in minutes. It refers to the time delay to be respected before sending the first notification when a Not-OK status is validated.

  • The Recovery notification delay is the time that must pass before a recovery notification is sent (when the host goes back to an UP state).

Relations tab​

  • The Host Groups list defined the host groups to which the host belongs.
  • The Host Categories list defined the categories to which the host belongs.
  • The Parent Hosts list enables us to define the physical family relationships between objects.
  • The Child Hosts list enables us to define the physical family relationships between objects.

Data processing tab​

  • If Obsess Over Host is enabled, the host check feedback command will be enabled.
  • The Check Freshness field allows us to enable or disable the result freshness check.
  • The Freshness Threshold is expressed in seconds. if during this period no host status change request (passive command) is received the active check command is executed.
  • The Flap Detection Enabled field allows us to enable or disable the detection flapping in the statuses (status value changing too often on a given period).
  • The Low Flap Threshold and High Flap Threshold fields define the high and low thresholds for the detection of flapping in percentage of status change.
  • The Retain Status Information and Retain Non Status Information fields indicate if the information concerning the status is saved after every time the check command is repeated.
  • The Stalking Options field defined the options to be recorded if retention is enabled.
  • The Event Handler Enabled field allows us to enable or disable the events handler.
  • The Event Handler field defined the command to be executed if the event handler is enabled.
  • The Args field defined the arguments of the events handler command.

Host Extended Infos tab​

Monitoring engine​

  • The Note URL field defined a URL that can be used to give more information on the host.
  • The Note field permits us to add optional notes concerning the host.
  • The Action URL field defined a URL normally use for giving information on actions on the host (maintenance, etc.).
  • The Icon field indicates the icon use for the host.
  • The Alt Icon field is the text use if the icon cannot be Display.
  • The Host severity field indicates the severity level of the host.
  • The Status Map Image field defined the logo for Centreon Map module.
  • The Geographic coordinates field defines geographical coordinates used by the Centreon MAP module to position the resource on a map. Define "Latitude,Longitude", for example for Paris coordinates set "48.51,2.20"
  • Enable/disable resource: This setting determines whether the host and its services must be monitored or not. If the host is disabled, it doesn't appear on the Resources Status page.

The fields presented below are obsolete:

  • 2d Coords
  • 3d Coords

Access groups​

  • The ACL Resource Groups (only displayed for non administrator) allows to link this host to an hostgroup in order to visualize it (see Access Control Lists chapter).

Additional Information​

  • The Status field allows us to enable or disable the host.
  • The Comments field can be used to add a comment concerning the host.