Quick Beginnings for DB2 Universal Database for UNIX

Logging on to the System

To use DB2, log on with a valid DB2 user ID that has the appropriate authority level for the commands you want to execute. If the system administrative group parameter (sysadm_group) is defined in the database manager configuration file, the user performing administration tasks must belong to that group to inherit System Administrative (SYSADM) authority on the instance.

The sysadm_group parameter is not set when DB2 is first installed; therefore, the following criteria are used to determine default SYSADM authority:

OS/2

Any valid DB2 user ID which belongs to the UPM Administrator or Local Administrator group.

UNIX

Any valid DB2 username that belongs to the primary group of the instance owner's user ID.

Windows 95 and Windows 98

Any Windows 95 or Windows 98 username that is a valid DB2 user ID.

Windows NT

Any valid DB2 user account which belongs to the local Administrators group.

See Appendix D. Naming Rules for a list of naming restrictions.

As well as using the local operating system security to authenticate users, there is also the option of using DCE security. Refer to the Administration Guide for information on DCE security.

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