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Guidelines

Announcement Support for this product will end on November 3, 2025. We recommend that you use PATROL for Linux, PATROL for AIX, or PATROL for Solaris to monitor operating systems.

Monitoring processes

The PATROL Knowledge Module for UNIX and Linux monitors and manages processes through the PROCESS and PROCESS_PRESENCE applications and the Process KM Configuration Plug-in for the PATROL Configuration Manager (PCM). 

With these application classes, you can

  1. Designate specific processes for monitoring
  2. Review the overall status of processes on the system such as
    • Total number of processes
    • Total number of zombie processes
    • List of all zombie processes
    • List of all processes consuming excessive CPU
    • Total number of processes waiting for resources
    • Total number of user (nonroot) processes
    • Average number of processes per user
  3. Reprioritize process by
    • Individual process
    • User ownership
    • Process group membership 
  4. You can use the PROCESS_PRESENCE application class to monitor
    • A single process on a single computer
    • A local process across multiple computers within a process host group (this feature is helpful when you are monitoring processes in a clustered environment)
    • Several running instances of a process on a single computer
    • Several running instances of a process across multiple computers within a process host group (this feature is helpful when you are monitoring processes in a clustered environment)
  5. You can manage a process by way of its PROCESS_PRESENCE instance to
    • Restart a process that has stopped
    • Stop a process
    • Alarm when an unauthorized User ID owns a process
    • Alarm when the number of processes running in a host group drops below a specified minimum number
    • Alarm when the number of processes running in a host group exceeds a specified maximum number
    • Alarm when a process does not have a parent process ID (PPID) of 1 (a PPID of 1 indicates that a process is owned by init)
  6. You can use the plug-in for PCM to configure process monitoring without using a console. See Using-the-PATROL-Configuration-Manager-to-Configure-the-PATROL-KM-for-UNIX for details.

The following sections appear in this topic:

 

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