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Full Discussion: Script to automatically enter a password
Top Forums Shell Programming and Scripting Script to automatically enter a password Post 302488730 by Ernst on Tuesday 18th of January 2011 10:03:18 AM
Old 01-18-2011
Script to automatically enter a password
Code:
I need to retrieve thousands of lines of information from hundreds of nodes. Each node requires a passowrd in order to retrieve the information. Fortunately, the password is the same for each one of them. So I am trying to come up with a script that would allow me to include the password so I can query desired info from many nodes at once.
Let's say for example that I want to to list all the alarms on one node, I would write:
ls
Please enter your password (the system would ask me to enter my password)
Let's say that the password is abc
Now if I want to get data for 20 nodes, I would write:
batch list ls (list is a file that contains the list of all the nodes I am interested in). 
Since the password is the same for all the nodes, how can I write a script that would automatically include my password so I can retrieve all the info at once? 
I hope this is clear enough.
Thank You

 

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LEARN ABOUT X11R4

gshadow

GSHADOW(5)                                                 File Formats and Conversions                                                 GSHADOW(5)

NAME

       gshadow - shadowed group file

DESCRIPTION

       /etc/gshadow contains the shadowed information for group accounts.

       This file must not be readable by regular users if password security is to be maintained.

       Each line of this file contains the following colon-separated fields:

       group name
           It must be a valid group name, which exist on the system.

       encrypted password
           Refer to crypt(3) for details on how this string is interpreted.

           If the password field contains some string that is not a valid result of crypt(3), for instance ! or *, users will not be able to use a
           unix password to access the group (but group members do not need the password).

           The password is used when a user who is not a member of the group wants to gain the permissions of this group (see newgrp(1)).

           This field may be empty, in which case only the group members can gain the group permissions.

           A password field which starts with an exclamation mark means that the password is locked. The remaining characters on the line
           represent the password field before the password was locked.

           This password supersedes any password specified in /etc/group.

       administrators
           It must be a comma-separated list of user names.

           Administrators can change the password or the members of the group.

           Administrators also have the same permissions as the members (see below).

       members
           It must be a comma-separated list of user names.

           Members can access the group without being prompted for a password.

           You should use the same list of users as in /etc/group.

FILES

       /etc/group
           Group account information.

       /etc/gshadow
           Secure group account information.

SEE ALSO

       gpasswd(5), group(5), grpck(8), grpconv(8), newgrp(1).

shadow-utils 4.5                                                    01/25/2018                                                          GSHADOW(5)
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