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Commands Reference, Volume 4


ruser Command

Purpose

Directly manipulates entries in three separate system databases that control foreign host access to programs.

Syntax

To Add or Delete a Database File Name Entry

ruser {  -a |  -d } {  -f "UserName ...| -p "HostName ...|  -r "HostName ..." }

To Delete or Display All Name Entries in a Database File

ruser-X | -s } {  -F | -P | -R }

Description

The ruser low-level command adds or deletes entries in three separate system databases. Which database you are manipulating is determined by using the -p, -r, or -f flags. In addition, the ruser command can show one or all entries in one of the databases. Each database is a list of names. The three databases are as follows:

You can use the Users application in Web-based System Manager (wsm) to change user characteristics.

You could also use the System Management Interface Tool (SMIT) smit users fast path to run this command.

OR

smit rprint

Flags


-a Adds a name to the database. The -a flag must be used with either the -p, -r, or -f flag.
-d Deletes a name from the database. Must be used with either the -p, -r, or -f flag.
-F Deletes or shows all entries in the /etc/ftpusers file. Use this flag with the -X flag to delete all entries. Use this flag with the -s flag to show all entries.
-f "UserName ..." Adds or deletes the user name specified by the UserName variable to the /etc/ftpusers database that contains a list of local user names that cannot be used by remote FTP clients. The -f flag must be used with either the -a or -d flag.
-P Deletes or shows all entries in the /etc/hosts.lpd file. Use this flag with the -X flag to delete all entries. Use this flag with the -s flag to show all entries.
-p "HostName ..."
                          Adds or deletes the host name, specified by the HostName variable, in the database that specifies which foreign host may print on your machine. The -p flag must be used with either the -a or -d flag.
-R Deletes or shows all entries in the /etc/hosts.equiv file. Use this flag with the -X flag to delete all entries. Use this flag with the -s flag to show all entries.
-r "HostName ..."
                          Adds or deletes the host name, specified by the HostName variable, in the /etc/hosts.equiv database that specifies which foreign host may perform the remote commands (rlogin, rcp, rsh, or print) on your machine. The -r flag must be used with either the -a or -d flag.
-s Shows all entries in the database. Use this flag with either the -P, -R, or -F flag.
-X Deletes all names from the database. Use this flag with either the -P, -R, or -F flag.

Examples

  1. To add an entry in the /etc/hosts.lpd database, which specifies which foreign host may print on the local machine, enter the command in the following format:
    ruser -a -p "host1"
    In this example, the foreign host is host1.
  2. To delete an entry in the database that controls printing only (/etc/hosts.lpd) and delete as well the same name from the database that controls remote access for the rlogin, rcp, and rsh commands (/etc/hosts.equiv), enter:
    ruser -d -r "host2" -p "host1"
    In this example, the host from which the database entry is deleted is host1.

Related Information

The lpd daemon, rshd daemon, rlogind daemon.

The ftpusers file format, hosts.equiv file format, hosts.lpd file format.

For information on installing the Web-based System Manager, see Chapter 2: Installation and System Requirements in AIX 5L Version 5.1 Web-based System Manager Administration Guide.

Understanding the TCP/IP Reference in AIX 5L Version 5.1 System Management Guide: Communications and Networks.


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