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Full Discussion: How to hide password on Linux?
Top Forums Shell Programming and Scripting How to hide password on Linux? Post 61738 by nir_s on Tuesday 8th of February 2005 05:32:58 AM
Old 02-08-2005
How to hide password on Linux?
Hi falks,

I have the following ksh code:
echo "Enter VS Admin password:"
oldstty=`stty -g`
stty -echo intr '$-'
read password
stty $oldstty
echo

This code ask from a user to enter his password. The OS suppose to hide the entering of the password.
This code works fine On Sun Solaris and HP but fails on Linux.
On Linux,i get the following error message:
Enter VS Admin password:
stty: invalid integer argument `$-'
Try `stty --help' for more information.

Does anyone know how it works on Linux?

Thanks in advance,
Nir
 

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LEARN ABOUT HPUX

vparadmin

vparadmin(1M)															     vparadmin(1M)

NAME

       vparadmin - modifies attributes for the virtual partition flexible administrative capability

SYNOPSIS

       vp_name] | |

DESCRIPTION

       The  command is used to add or delete a Designated-Admin vPar.  It can also be used to change the virtual partition flexible administrative
       password.

       Options are valid when the virtual partition flexible administrative capability is enabled.

   Options
       recognizes the following command line options and arguments.  The options are mutually exclusive.

       Adds the virtual partition
		    to the Designated-Admin vPar list in a secure virtual partition environment.  It will prompt for the existing  virtual  parti-
		    tion flexible administrative password before allowing the addition.

       Deletes the virtual partition
		    from  the  Designated-Admin  vPar  list.   It  will prompt for the existing virtual partition flexible administrative password
		    before allowing the deletion.

       Changes the virtual partition flexible administrative password.
		    It will prompt for the old password for validation.

       Displays the Designated-Admin vPar list.

       If no arguments are supplied, indicates whether the virtual partition flexible administrative capability is enabled or disabled.

SECURITY RESTRICTIONS

       This command is restricted to processes owned by a superuser.

RETURN VALUE

       The command exits with one of the following values:

       Successful completion.
       One or more error conditions occurred.

EXAMPLES

       Use vparadmin without any options:

	      The virtual partition fle xible administrative capability is disabled.

       Add the name of the virtual partition called to the Designated-Admin vPar list:

	      ---------- Designated-Admin virtual partitions ----------
	      Oslo

       To change the virtual partition flexible administrative password:

	      Old password:
	      New password:
	      Re-enter new password:
	      vPar flexible administrative password successfully changed.

ERRORS

       displays error messages on standard error for any of the following conditions:

       o  An invalid option is specified.
       o  An invalid value is specified for an option or a value is omitted.
       o  does not exist in the monitor database.
       o  One or more options are specified more than once.

AUTHOR

       was developed by the Hewlett-Packard Company.

SEE ALSO

       vparboot(1M), vparcreate(1M), vparmodify(1M), vparremove(1M), vparreset(1M), vparresources(5), vparstatus(1M), vpmon(1M).

																     vparadmin(1M)
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