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Top Forums UNIX for Dummies Questions & Answers rsh as super user without password prompt Post 302166743 by TheMightyUrrrrf on Tuesday 12th of February 2008 05:03:59 PM
Old 02-12-2008
rsh as super user without password prompt

Dear forum,

First off, I'm using Solaris 5.6 UNIX. I'm trying to write a script which will connect to remote computers on a network (by specific IP's from a hosts file) and will run a separate script which is installed in each of the remote computers. My problem is that to run the script in the remote computers I need to log in as su (super user), which requires a password. I was advised to use the rsh command, but I am constantly prompted to input a password. Even after creating a .rhost and hosts.equiv in the home and bin dir.

I'm not a very proficient UNIX user. Only basic commands and what I've read. Is there any thing I've missed that I can do to avoid the password prompt?

Thanks for the help...
 

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RSH(1)							    BSD General Commands Manual 						    RSH(1)

NAME
rsh -- remote shell SYNOPSIS
rsh [-Kdnx] [-l username] host [command] DESCRIPTION
Rsh executes command on host. Rsh copies its standard input to the remote command, the standard output of the remote command to its standard output, and the standard error of the remote command to its standard error. Interrupt, quit and terminate signals are propagated to the remote command; rsh normally termi- nates when the remote command does. The options are as follows: -d The -d option turns on socket debugging (using setsockopt(2)) on the TCP sockets used for communication with the remote host. -l By default, the remote username is the same as the local username. The -l option allows the remote name to be specified. -n The -n option redirects input from the special device /dev/null (see the BUGS section of this manual page). If no command is specified, you will be logged in on the remote host using rlogin(1). Shell metacharacters which are not quoted are interpreted on local machine, while quoted metacharacters are interpreted on the remote machine. For example, the command rsh otherhost cat remotefile >> localfile appends the remote file remotefile to the local file localfile, while rsh otherhost cat remotefile ">>" other_remotefile appends remotefile to other_remotefile. FILES
/etc/hosts SEE ALSO
rlogin(1), HISTORY
The rsh command appeared in 4.2BSD. BUGS
If you are using csh(1) and put a rsh in the background without redirecting its input away from the terminal, it will block even if no reads are posted by the remote command. If no input is desired you should redirect the input of rsh to /dev/null using the -n option. You cannot run an interactive command (like rogue(6) or vi(1)) using rsh; use rlogin(1) instead. Stop signals stop the local rsh process only; this is arguably wrong, but currently hard to fix for reasons too complicated to explain here. Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)
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