|-w||Write to the protection database instead of reading. Only the file arguments make sense in combination with this argument.|
|-user||When reading, display users.|
|-group||When reading, display groups (but not necessarily members).|
|-members||When reading, display groups and also group members.|
|-name||When reading, follow name hashes, instead of id hashes. This may print different information if the database was corrupted. Otherwise, it should print exactly the same information, except in a different order.|
|-system||When reading, display system data, or more precisely, do not display entries with a viced <= -32768 or >= +97537.|
|-xtra||When reading, display extra users and groups, or more precisely, do not display entries that are in the range -32767...+97536 inclusive.|
|-prdb <prdb file>||Specifies the complete pathname of the file in which the Protection Database resides. Provide the complete name, including the ending .DB0.|
|-datafile <data file>||Specify the file to which to dump (or -w from which to read) textual database records.|
The file dump format does not include supergroup information, so should not be used if you have and are using groups within groups.
In all cases, entry timestamps and other information is also not preserved.
The epoch and version are reported on standard error. On little-endian machines, theyll be byte swapped, so may be very random.
The following example shows how to initialize the database from scratch.
Before you do this, make sure ptserver is not running. If you have multiple database servers, make sure prdb.* does not exist on any server machine.
Now, type this in EXACTLY, including the leading space on the line indicated. But do use Control-D at the end, not up-arrow D.
pt_util -w admin 128/20 1 -204 -204 system:administrators 130/20 -204 -204 -204 admin 1 ^D
You will see this:
# pt_util -w pt_util: /var/openafs/db/prdb.DB0: Bad UBIK_MAGIC. Is 0 should be 354545 Ubik Version is: 2.0 admin 128/20 1 -204 -204 system:administrators 130/20 -204 -204 -204 Error while creating system:administrators: Entry for id already exists admin 1 pt_util: Ubik Version number changed during execution. Old Version = 2.0, new version = 33554432.0 #
To make a complete copy of the database,
# pt_util -user -members -datafile /tmp/out
To load from the complete copy,
# pt_util -w -datafile /tmp/out
Dont do this until you read cautions, above.
The issuer must be logged in as the superuser root on a database server machine to use pt_util.
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Copyright (c) 2005 The Regents of the University of Michigan. ALL RIGHTS RESERVED.
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