04-18-2010
I would not use change the UID of your new_user_name to zero. You are after all trying to enhance the security - not reduce it. The easiest way to do this is to implement a tool called sudo, and allow the commands you need to have run as root enabled for this backup user as root. Thenin your script where the command is insert the sudo command before the command you wish to run as root and voila.
with laer vesions of AIX you can also use RBAC (Role Based Access Control) to achieve this.
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LEARN ABOUT FREEBSD
lastlogin
LASTLOGIN(8) BSD System Manager's Manual LASTLOGIN(8)
NAME
lastlogin -- indicate last login time of users
SYNOPSIS
lastlogin [-f file] [-rt] [user ...]
DESCRIPTION
The lastlogin utility will list the last login session of each specified user, or for all users by default. Each line of output contains the
user name, the tty from which the session was conducted, any hostname, and the start time for the session.
If more than one user is given, the session information for each user is printed in the order given on the command line. Otherwise, informa-
tion for all users is printed. By default, the entries are sorted by user name.
The lastlogin utility differs from last(1) in that it only prints information regarding the very last login session. The last login database
is never turned over or deleted in standard usage.
The following options are available:
-f file
Open last login database file instead of the system-wide database.
-r Print the entries in reverse sorted order.
-t Sort the elements by last login time, instead of user name.
FILES
/var/log/utx.lastlogin last login database
SEE ALSO
last(1), getutxent(3), ac(8)
AUTHORS
John M. Vinopal wrote this program in January 1996 and contributed it to the NetBSD project.
BSD
June 6, 2011 BSD