Issue with "rsh" on RedHat Post: 303028612

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Top Forums UNIX for Advanced & Expert Users Issue with "rsh" on RedHat Post 303028612 by bakunin on Friday 11th of January 2019 05:21:39 AM

01-11-2019

Registered User

Quote:

Originally Posted by gull04

It all hangs and you have to "ctrl C" to break out, but by doing;

Code:

[root@fbakirmsir1 autodoc]#  rsh -l autoupd 10.3.100.95
Last login: Thu Jan 10 14:20:32 from fbakirmsir1
$ uname -s
SunOS
$ uname -a
SunOS isd250 5.10 Generic_150400-46 sun4v sparc sun4v
$ exit
rlogin: connection closed.
[root@fbakirmsir1 autodoc]#

So, if i get that right: rsh hangs until you press CTRL-C when called from a script (?) but works when issued manually, from the commandline.

First suspicion is that there is a difference in the environment of the script and your interactive enivronment, so how about dumping the respective environments (via an inserted set > /some/file) and cast a diff on them? Also - as this will not be shown by this method - check for eventual aliases and the like. This is basically the same idea as Don Cragun had, but generalised to other settings than PATH.

Or - you will have to test that - does it always not work for the first time and work for the second (and subsequent) time(s)? Such behavior usually results from something being loaded/configured "on demand" but not completely being able to fulfill the current sessions request - the current session will fail but any subsequent session will work. (Sorry for being so vague but i don't know your system well enough to come up with any more concrete ideas).

I hope this helps.

bakunin

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LEARN ABOUT DEBIAN

krcp

RCP(1)							    BSD General Commands Manual 						    RCP(1)

NAME

     rcp -- copy file to and from remote machines

SYNOPSIS

     rcp [-45FKpxz] [-P port] file1 file2
     rcp [-45FKprxz] [-P port] file... directory

DESCRIPTION

     rcp copies files between machines. Each file argument is either a remote file name of the form ``rname@rhost:path'' or a local file (contain-
     ing no colon or with a slash before the first colon).

     Supported options:

     -4, -5, -K, -F, -x, -z
	     These options are passed on to rsh(1).

     -P port
	     This will pass the option -p port to rsh(1).

     -p      Preserve file permissions.

     -r      Copy source directories recursively.

DIAGNOSTICS

     rcp is implemented as a protocol on top of rsh(1), and thus requires a working rsh. If you intend to use Kerberos authentication, rsh needs
     to be Kerberos aware, else you may see more or less strange errors, such as "login incorrect", or "lost connection".

HISTORY

     The rcp utility first appeared in 4.2BSD. This version is derived from 4.3BSD-Reno.

HEIMDAL 
							  April 16, 2003							   HEIMDAL