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Full Discussion: Copy a file from local host to a list of remote hosts --- perl script
Top Forums Shell Programming and Scripting Copy a file from local host to a list of remote hosts --- perl script Post 302801395 by hanson44 on Thursday 2nd of May 2013 01:14:29 AM
Old 05-02-2013
The basic idea is to put in a shell script:
Code:
while read host; do
  scp demo.exe destination
done < hosts.txt

There are two difficult things here, maybe more.

First, you must specify the destination part, and build in the $host variable read from the hosts.txt file. Destination will be something like hanson44@myhost.com:/home/mydir but will depend on your local situation.

Second, you must have permissions set up to do the copying to the remote host. Again, that can be complicated and will depend on your local situation.

Before doing the shell script, you will need to make the scp work on the command line. Once you get that going, writing the shell script is not that difficult.
 

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LEARN ABOUT ULTRIX

rhosts

rhosts(5)							File Formats Manual							 rhosts(5)

Name
       rhosts - list of hosts that are logically equivalent to the local host

Syntax
       /$HOME/.rhosts

Description
       The  file  allows  a  user  who has an account on the local host to log in from a remote host without supplying a password.  It also allows
       remote copies to the local host.

       If the file exists, it is located in a user's home directory.  It is not a mandatory file, however.

       The format of a file entry is:
       hostname [username]
       The hostname is the name of the remote host from which the user wants to log into the local host.  The username is the user's login name on
       the remote host.  If you do not specify a user name, the user must have the same login name on both the remote and local hosts.

       The  host  names  listed in the file may optionally contain the local BIND domain name.	For more information on BIND, see the Guide to the
       BIND/Hesiod Service.

       If a user is logged in to and wants to log in to a host called without supplying a password, she must:

       o    Have an account on

       o    Create a file in her home directory on

       o    Specify host1 ginger as an entry in the file.
	    If has the same login on both and she can simply specify host1 in her entry.  You can allow the superuser of a remote system to log in
	    to your system without password protection or perform a remote copy by having a file in the root ( / ) directory, but it is not recom-
	    mended.
	    In addition to having a file, the superuser needs a terminal entry in the file for each pseudoterminal configured in the system.   The
	    secure entry looks similar to the following:
	    ttyp3      none    network	       secure
	    See the reference page for more information.

Examples
       The  following is a sample file for the user It is located in her home directory on She also has accounts on the hosts called and Her login
       name on and is the same as on but her login on is

       To enable to log in to from and without supplying a password, her on should contain the following entries:
       machine1
       system1	gordon
       host3

See Also
       hosts.equiv(5), ttys(5)
       Introduction to Networking and Distributed System Services

																	 rhosts(5)
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