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Full Discussion: Writing a script to access many servers
Top Forums Shell Programming and Scripting Writing a script to access many servers Post 302921067 by jlpicard on Tuesday 14th of October 2014 02:50:45 PM
Old 10-14-2014
Writing a script to access many servers
Hi there,

I'm writing a simple script (in a batch file) to access a number of servers with a number of different credentials (users/passwords/root passwords etc). What I need is a way to execute commands as root. I'm currently using the batch file to read the server information out of a text file one by one (with usernames/passwords) and then using plink to connect to servers and a text file with commands in to download/install what I need to. The problem comes when I need to be root to install the software.

Now i've seen many threads on the internet stating that it's practically impossible to gain root through doing su and dealing with a prompt for the password. I've done alot of playing around but to no avail.

What i'm wondering is if there is any way to get around this? I'm aware of Expect but I can't install that on all of the servers. Maybe someway I can log in and gain su rights at the same time?
 

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LEARN ABOUT DEBIAN

lppasswd

lppasswd(1)							    Apple Inc.							       lppasswd(1)

NAME

       lppasswd - add, change, or delete digest passwords.

SYNOPSIS

       lppasswd [ username ]
       lppasswd -a [ -g groupname ] username
       lppasswd -x username

DESCRIPTION

       lppasswd  adds, changes, or deletes passwords in the CUPS digest password file, passwd.md5. When run by a normal user, lppasswd will prompt
       for the old and new passwords.  When run by the super-user, lppasswd can add new accounts (-a username), change	existing  accounts  (user-
       name), or delete accounts (-x username) in the digest password file. Digest usernames do not have to match local UNIX usernames.

OPTIONS

       lppasswd supports the following options:

       -g groupname
	    Specifies a group other than the default system group.

SECURITY ISSUES

       By  default,  the lppasswd program is not installed to allow ordinary users to change their passwords. To enable this, the lppasswd command
       must be made setuid to root with the command:
       chmod u+s lppasswd

       While every attempt has been made to make lppasswd secure against exploits that could grant super-user privileges  to  unprivileged  users,
       paranoid system administrators may wish to use Basic authentication with accounts managed by PAM instead.

SEE ALSO

       lp(1), lpr(1),
       http://localhost:631/help

COPYRIGHT

       Copyright 2007-2011 by Apple Inc.

22 February 2008						       CUPS							       lppasswd(1)
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