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Foglight Agent Manager 5.9.3 - Foglight Agent Manager Guide

Configuring the embedded Agent Manager Installing external Agent Managers
Understanding how the Agent Manager communicates with the Management Server Deploying the Agent Manager cartridge Downloading the Agent Manager installer Installing the Agent Manager Starting or stopping the Agent Manager process Frequently asked questions
Configuring the Agent Manager Advanced system configuration and troubleshooting
Configuring Windows Management Instrumentation (WMI) Configuring Windows Remote Management (WinRM) UNIX- and Linux-specific configuration
Monitoring the Agent Manager performance Deploying the Agent Manager to large-scale environments

Configuring the Agent Manager to run as a daemon

As described in Installing the Agent Manager using the installer interface and Installing the Agent Manager from the command line , you can install an init.d-style script called quest-fglam in the init.d directory on your system. This script is called when the host on which the Agent Manager is installed starts or shuts down, allowing it to run as a daemon.

Even if you choose not to install the init.d script during the installation, or if you do not perform the installation as the root user, the installer generates scripts that can perform the necessary setup.

These scripts are and, and they are located in the <fglam_home>/state/default/ directory.

The script installs the script into your system’s init.d directory as quest-fglam. Your system’s init.d process then uses quest-fglam to run the Agent Manager as a daemon.

Optional. If you want to make any edits to to customize it for your system, do so prior to running
IMPORTANT: Any customizations that you make to the script are not supported by Quest Software Inc..
From the command shell, run the script with the install option:
The setup script installs the init.d script quest-fglam. See Locating the init.d script for the location in which it is installed.

To remove the init.d script, follow the instructions in To remove the init.d script used to run the Agent Manager as a daemon on UNIX®: .

Locating the init.d script

Depending on the operating system you are running, the init.d-style script quest-fglam is installed to a different location either by the Agent Manager installer or after you run the script

The locations of the installed init.d script (listed by operating system) are as follows:

AIX®: /etc/rc.d/init.d
All Linux® operating systems: /etc/init.d
HP-UX: /sbin/init.d
Oracle Solaris®: /etc/init.d
NOTE: The location of the init.d script depends only on the type of operating system, not on the specific architecture. For example, the location is the same for HP-UX running on either PA‑RISC or Itanium, or for Oracle Solaris® running on either SPARC or x86.

Obtaining the Agent Manager daemon status

In addition to starting or stopping the Agent Manager process, the init.d script allows you to obtain the status of the daemon process when you run the script with the status option. When the status option is specified with the init.d script, the script returns one of the following status codes:

0: The Agent Manager daemon process is running.
1: The Agent Manager daemon process is dead and a pid file is generated.
3: The Agent Manager daemon process is not running.
4: The Agent Manager daemon process status is unknown.

Configuring Agent Manager agent privileges

On UNIX® systems, certain Foglight® agents require elevated privileges in order to gather the required system metrics. This is achieved by having the Agent Manager launch these agents with root privileges.

To give these agents the required access, the Agent Manager is configured to launch these agents using an external application like sudo, setuid_launcher, or any other tool that allows privilege escalation (without a password) and supports the same command‑line semantics as sudo.

NOTE: The tool setuid_launcher is included with the Agent Manager, in the <fglam_home>/bin/setuid_launcher directory.

Instructions for using sudo and setuid_launcher to give these agents the necessary privileges are provided below.

If an agent is configured to be launched by an external application and fails to start, the Agent Manager logs a warning and then tries starting the agent without the launcher and without root privileges.

The agent does not collect as much data as when it is run with root privileges.

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