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80 lines
2.1 KiB
80 lines
2.1 KiB
.\" $RCSfile: gsh.man,v $$Revision: 4.1 $$Date: 92/08/07 17:20:22 $
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.TH GSH 8 "13 May 1988"
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.SH NAME
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gsh \- global shell
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.SH SYNOPSIS
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.B gsh
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[options]
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.I host
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[options]
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.I command
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.SH DESCRIPTION
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.I gsh
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works just like rsh(1C) except that you may specify a set of hosts to execute
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the command on.
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The host sets are defined in the file /etc/ghosts.
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(An individual host name can be used as a set containing one member.)
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You can give a command like
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gsh sun /etc/mungmotd
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to run /etc/mungmotd on all your Suns.
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.P
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You may specify the union of two or more sets by using + as follows:
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gsh 750+mc /etc/mungmotd
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which will run mungmotd on all 750's and Masscomps.
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.P
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Commonly used sets should be defined in /etc/ghosts.
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For example, you could add a line that says
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pep=manny+moe+jack
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Another way to do that would be to add the word "pep" after each of the host
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entries:
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manny sun3 pep
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.br
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moe sun3 pep
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.br
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jack sun3 pep
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Hosts and sets of host can also be excluded:
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foo=sun-sun2
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Any host so excluded will never be included, even if a subsequent set on the
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line includes it:
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foo=abc+def
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bar=xyz-abc+foo
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comes out to xyz+def.
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You can define private host sets by creating .ghosts in your current directory
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with entries just like /etc/ghosts.
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Also, if there is a file .grem, it defines "rem" to be the remaining hosts
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from the last gsh or gcp that didn't succeed everywhere.
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Options include all those defined by rsh, as well as
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.IP "\-d" 8
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Causes gsh to collect input till end of file, and then distribute that input
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to each invokation of rsh.
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.IP "\-h" 8
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Rather than print out the command followed by the output, merely prepends the
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host name to each line of output.
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.IP "\-s" 8
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Do work silently.
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.PP
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Interrupting with a SIGINT will cause the rsh to the current host to be skipped
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and execution resumed with the next host.
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To stop completely, send a SIGQUIT.
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.SH SEE ALSO
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rsh(1C)
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.SH BUGS
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All the bugs of rsh, since it calls rsh.
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Also, will not properly return data from the remote execution that contains
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null characters.
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