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Top Forums Shell Programming and Scripting Bash scripting mask password from ps Post 303023622 by aixkidbee on Thursday 20th of September 2018 05:28:25 AM
Old 09-20-2018
Bash scripting mask password from ps

Hi All,


I have a script, which prompts me for my password input, then it passes that password onto an argument for another script which is then passed onto an expect script which automates my logins to a bunch of servers to execute my commands.

example.

script A - request for password, pass password variable to expect script command
expect command - ./expect $password ssh@server “command”
expect script - obtain password from $argv 0 and execute.


I've seen a few posts about this request and can't find anything that works. Is anyone able to guide me in the right direction? I have tried using file descriptor and no luck.

Also, no ssh keys is not an option and hard coding passwords in files.

Thanks

Last edited by aixkidbee; 09-20-2018 at 12:15 PM..
 

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yppasswd(1yp)															     yppasswd(1yp)

Name
       yppasswd - change password in yellow pages (YP) service.

Syntax
       yppasswd [ name ]

Description
       The  command lets you change your password in the yellow pages (YP) map, a network data base service.  Only you or the superuser can change
       your YP password.

       When you enter the command, the program prompts you for the old password and then for the new password. Note that  the  passwords  are  not
       displayed on the screen.

       Next,  the  program asks you for the new password again, to verify that you have typed it correctly.  If you do not type the passwords cor-
       rectly, you will receive an error message after you enter the new password.

       Your new YP password must meet one of the following requirements:

	  o It must be a combination of at least six alphanumeric characters, or

	  o It must be a minimum of four characters, with at least one being non-alphanumeric, such as a control sequence.
       The command does not change the YP password.  This command only changes the local password file and not the YP master password  file.   See
       Chapter 3 of the Guide to the Yellow Pages Service for further information.

Diagnostics
       Please use a longer password
       Your new password does not meet the minimum length requirement.

       Mismatch- password unchanged
       You misspelled your new password or its verification.

       couldn't change passwd
       Your new password can not be activated. It must be different from your old password and your login name.

Files
       Password file

       Yellow Pages directory

See Also
       passwd(1), passwd(5yp), ypfiles(5yp), yppasswdd(8yp)
       Guide to the Yellow Pages Service

																     yppasswd(1yp)
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