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The commands in the pts command suite are the administrative interface
to the Protection Server, which runs on each database server machine in
a cell and maintains the Protection Database. The database stores the
information that AFS uses to augment and refine the standard UNIX
scheme for controlling access to files and directories.
Instead of relying only on the mode bits that define access rights for
individual files, AFS associates an access control list (ACL) with each
directory. The ACL lists users and groups and specifies which of seven
possible access permissions they have for the directory and the files
it contains. (It is still possible to set a directory or file's mode
bits, but AFS interprets them in its own way; see the chapter on
protection in the OpenAFS Administration Guide for details.)
AFS enables users to define groups in the Protection Database and place
them on ACLs to extend a set of rights to multiple users
simultaneously. Groups simplify administration by making it possible
to add someone to many ACLs by adding them to a group that already
exists on those ACLs. Machines can also be members of a group, so that
users logged into the machine automatically inherit the permissions
granted to the group.
There are several categories of commands in the pts command suite:
? Commands to create and remove Protection Database entries: pts
creategroup, pts createuser, and pts delete.
? Commands to administer and display group membership: pts adduser,
pts listowned, pts membership, and pts removeuser.
? Commands to administer and display properties of user and group
entries other than membership: pts chown, pts examine, pts
listentries, pts rename, and pts setfields.
? Commands to set and examine the counters used when assigning IDs to
users and groups: pts listmax and pts setmax.
? Commands to run commands interactively: pts interactive, pts sleep,
and pts quit.
? A command to run commands from a file: pts source.
? Commands to obtain help: pts apropos and pts help.
The following arguments and flags are available on many commands in the
pts suite. The reference page for each command also lists them, but
they are described here in greater detail.
-cell <cell name>
Names the cell in which to run the command. It is acceptable to
the -cell argument is included runs in the specified foreign
Enables the command to continue executing as far as possible when
errors or other problems occur, rather than halting execution
immediately. Without it, the command halts as soon as the first
error is encountered. In either case, the pts command interpreter
reports errors at the command shell. This flag is especially useful
if the issuer provides many values for a command line argument; if
one of them is invalid, the command interpreter continues on to
process the remaining arguments.
Prints a command's online help message on the standard output
stream. Do not combine this flag with any of the command's other
options; when it is provided, the command interpreter ignores all
other options, and only prints the help message.
Establishes an unauthenticated connection to the Protection Server,
in which the server treats the issuer as the unprivileged user
"anonymous". It is useful only when authorization checking is
disabled on the server machine (during the installation of a file
server machine or when the bos setauth command has been used during
other unusual circumstances). In normal circumstances, the
Protection Server allows only privileged users to issue commands
that change the Protection Database, and refuses to perform such an
action even if the -noauth flag is provided.
Establishes an authenticated, encrypted connection to the
Protection Server. It is useful when it is desired to obscure
network traffic related to the transactions being done.
Constructs a server ticket using the server encryption key with the
highest key version number in the local /etc/openafs/server/KeyFile
file. The pts command interpreter presents the ticket, which never
expires, to the BOS Server during mutual authentication.
Use this flag only when issuing a command on a server machine;
client machines do not usually have a /etc/openafs/server/KeyFile
file. The issuer of a command that includes this flag must be
logged on to the server machine as the local superuser "root". The
flag is useful for commands invoked by an unattended application
program, such as a process controlled by the UNIX cron utility. It
is also useful if an administrator is unable to authenticate to AFS
but is logged in as the local superuser "root".
Do not combine the -cell and -localauth options. A command on which
the -localauth flag is included always runs in the local cell (as
pts_adduser(1), pts_apropos(1), pts_chown(1), pts_creategroup(1),
pts_createuser(1), pts_delete(1), pts_examine(1), pts_help(1),
pts_interactive(1), pts_listentries(1), pts_listmax(1),
pts_listowned(1), pts_membership(1), pts_quit(1), pts_removeuser(1),
pts_rename(1), pts_setfields(1), pts_setmax(1), pts_sleep(1),
The OpenAFS Administration Guide at
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.
This documentation is covered by the IBM Public License Version 1.0.
It was converted from HTML to POD by software written by Chas Williams
and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.
OpenAFS 2012-03-26 PTS(1)