Very Computer

by **Michael Wa** » Sat, 18 Apr 1998 04:00:00

I run /etc/init.d/autofs start on spica from a remote system with
the command:

# rsh -n spica.ibk.ml.com /etc/init.d/autofs start

I can verify that the command has been run on spica but the rsh
process does not return half of the times. What is the problem?
It depends what you run,

# rsh -n spica.ibk.ml.com /etc/init.d/autofs stop

always returns and

# rsh -n spica.ibk.ml.com w

always returns.

by **Neil Ricke** » Sat, 18 Apr 1998 04:00:00

>I run /etc/init.d/autofs start on spica from a remote system with
>the command:
># rsh -n spica.ibk.ml.com /etc/init.d/autofs start
>I can verify that the command has been run on spica but the rsh
>process does not return half of the times. What is the problem?

'rsh' does not terminate until the socket closes. Some of the
processes started might be using the socket as stdin/stdout.

Try:

rsh -n spica.ibk.ml.com "/etc/init.d/autofs start > /dev/null </dev/null 2>&1"

by **Michael Wa** » Sat, 18 Apr 1998 04:00:00

This does not return:

Quote:># rsh -n spica.ibk.ml.com /etc/init.d/autofs start

This does:

Quote:># rsh -n spica.ibk.ml.com "/etc/init.d/autofs start < /dev/null"

I do not know why, do you?

by **John F Ca** » Sat, 18 Apr 1998 04:00:00

># rsh -n spica.ibk.ml.com /etc/init.d/autofs start

>I can verify that the command has been run on spica but the rsh
>process does not return half of the times. What is the problem?

A subprocess of the rsh still has a file descriptor open. rsh does not
return until it sees EOF on remote stdout and stderr. This may be a
minor bug in the automounter. To work around the problem try redirecting
output to /dev/null on the remote system,
rsh host -n cmd ">" /dev/null "2>&1"

--

Very Computer

rsh does not return: rsh -n spica /etc/init.d/autofs start ?

rsh does not return: rsh -n spica /etc/init.d/autofs start ?

rsh does not return: rsh -n spica /etc/init.d/autofs start ?

rsh does not return: rsh -n spica /etc/init.d/autofs start ?

rsh does not return: rsh -n spica /etc/init.d/autofs start ?