WebSphere Message Brokers
File: ae24410_
Writer: Bill Oppenheimer

Task topic

This build: July 31, 2007 21:28:44

Modifying a Configuration Manager on Linux and UNIX systems

The following steps show you how to modify a Configuration Manager's service user ID, service password, database password, User Name Server queue manager, and the maximum JVM heap size, on Linux and UNIX systems:
  1. Stop the Configuration Manager using the mqsistop command.
  2. Enter the mqsichangeconfigmgr with the parameters you want to change:
    mqsichangeconfigmgr configmgrName <<-i ServiceUserID> -a ServicePassword>
    <-p DatabasePassword> <-s UserNameServerQueueManagerName> <-j  MaxJVMHeapSize>  
    where:
    configmgrName
    Is the Configuration Manager name.
    -i
    Is the service user ID that is used to run the Configuration Manager.
    -a
    Is the password for the Configuration Manager user ID.
    -p
    If an existing DB2 database from a pervious version of the product has not yet been migrated, use this option to set the password used to access the database.
    -s
    Is the WebSphere MQ queue manger for the User Name Server.
    -j
    Is the maximum Java virtual machine heap size, in megabytes (minimum 64).
    For example, to modify the Configuration Manager so that it can communicate with the User Name Server, enter the following command at the command prompt:
    mqsichangeconfigmgr CMGR01 -s WBRK_UNS_QM
  3. Restart the Configuration Manager using the mqsistart command. The Configuration Manager restarts with the new properties.

If you cannot change a property, delete the Configuration Manager then create a new one with the new property. Creating a new Configuration Manager does not cause any loss of data as long as the previous Configuration Manager's database tables were not deleted (for example, by specifying the -n parameter on the mqsideleteconfigmgr command).

Related concepts
Configuration Manager
Related tasks
Starting and stopping a Configuration Manager
Creating a Configuration Manager
Deleting a Configuration Manager
Related reference
Security requirements for administrative tasks
mqsichangeconfigmgr command
mqsideleteconfigmgr command
mqsistart command
mqsistop command
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Copyright IBM Corporation 1999, 2007Copyright IBM Corporation 1999, 2007. All Rights Reserved.
This build: July 31, 2007 21:28:44

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