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   Administering a BEA Tuxedo Application at Run Time

When you use the tmconfig command to update the TUXCONFIG file and any bulletin board entries associated with it, the changes you make are permanent; they persist after the system is shut down and rebooted.

In some situations, however you may want to make temporary changes to a running application. For example, you may want to:

• Suspend services or servers

• Resume services or servers

• Advertise services or servers

• Unadvertise services or servers

• Change service parameters

• Change the timeout value

You can perform these tasks with the tmadmin command, as specified in the procedures provided in this section.

Before you can start a tmadmin session, you must set your environment variables and any required permissions. For your convenience, you may also want to select a text editor other than the default editor.

Complete the following procedure to set up your working environment properly before running tmadmin.

1. Log in as the BEA Tuxedo application administrator if you want to add entries to TUXCONFIG, or to modify existing entries. This step is not required if you only want to view existing configuration file entries without changing or adding to them.

2. Assign values to two mandatory environment variables: TUXCONFIG and TUXDIR.

   • The value of TUXCONFIG must be the full path name of the binary configuration file on the machine on which tmconfig is being run.

   • The value of TUXDIR must be the root directory for the BEA Tuxedo system binary files. (tmconfig must be able to extract field names and identifiers from $TUXDIR/udataobj/tpadmin.)