Foglight 5.9.3 - Installing Foglight on a UNIX System with an Embedded PostgreSQL Database

Before Installing Foglight Installing Foglight
Preparing to install Installing a new version of the Management Server Installed directories Foglight settings Uninstalling Foglight Upgrading the Management Server
Running the Management Server Installing and Upgrading Cartridges Installing Agents Appendix: Switching from an Embedded to an External Database

Installing Agents

A cartridge may include one or more executable Foglight agent installers. The agent installers included in a cartridge are listed on the Components for Download dashboard (on the navigation panel, select Administration > Cartridges > Components for Download).

Agents must be installed on all the machines you want to monitor. For agents that are installed on the monitored host, you must install and configure the Agent Manager.

For more details, see these topics:


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Agent installers

Agents that depend on the Agent Manager are installed using the remote installation procedure. See Remote agent installation and the Administration and Configuration Guide.

Some cartridges Foglight include one or more executable agent installers. The agent installers that are available for download are listed on the Components for Download dashboard. You can use the controls on this dashboard to download agent installers from the Management Server to a remote machine.

1
On the navigation panel, under Dashboards, click Administration > Cartridges > Components for Download.

Depending on the type of agent that you installed, you may need to edit its properties to configure it for the part of your environment that you want to monitor. For information about agent properties, see the Administration and Configuration Guide and the User Guide for the cartridge with which the agent was included.


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Remote agent installation

You can install Foglight agents on any remote host on which the Agent Manager is installed. See the Agent Manager Guide.

For more information about remote agent installation, see the Administration and Configuration Guide.

 


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Appendix: Switching from an Embedded to an External Database

You may find a performance improvement in Foglight if you use an external database.

This section describes how to migrate from using an embedded PostgreSQL® database with the Management Server to using an external PostgreSQL database.

<foglight_home>/postgresql/bin/pg_dump ‑U root -h localhost -p 15432 foglight > <foglight_home>/foglight_dump.sql
<foglight_home>/postgresql/bin/psql -h [postgresql host] -p [postgresql port] -U [superuser] [dbname]
NOTE: You have to use slash in the path when executing this command on a Windows® platform. You may see some errors like in the following example:

It is safe to ignore these errors because the embedded database includes the super user root but the external may not.

Also, the foglight_dump.sql includes these two statements at the end of the file:

NOTE: The server.database.password must also be updated if in Step 6 you set a different password than the embedded “foglight” user password.
b
Look for the message Forge Server startup completed and ensure that there are no errors listed after it.
Open the most recent Management Server log file in <foglight_home>/logs. Verify that the parameter server.database.host lists your external PostgreSQL database host as its value and that server.database.embedded is set to false.
Log in to the browser interface and navigate to Dashboards > Administration > Setup & Support > Management Server Configuration. Verify that your external PostgreSQL database host is listed in the Database Host box and that Embedded is set to false.

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