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@@ -4929,8 +4929,12 @@ using @option{--time} option (@pxref{Scripted Backups}).
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@end defvr
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@defvr {Backup variable} TAPE_FILE
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-The device @command{tar} writes the archive to. This device should be
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-attached to the host on which the dump scripts are run.
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+
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+The device @command{tar} writes the archive to. If @var{TAPE_FILE}
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+is a remote archive (@pxref{remote-dev}), backup script will suppose
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+that your @command{mt} is able to access remote devices. If @var{RSH}
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+(@pxref{RSH}) is set, @option{--rsh-command} option will be added to
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+invocations of @command{mt}.
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@end defvr
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@defvr {Backup variable} BLOCKING
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@@ -4987,17 +4991,23 @@ A path to the file containing the list of the individual files to backup
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or restore. By default it is @file{/etc/backup/files}.
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@end defvr
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-@defvr {Backup variable} RSH
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+@defvr {Backup variable} MT
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-Path to @code{rsh} binary or its equivalent. You may wish to
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+Full file name of @command{mt} binary.
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+@end defvr
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+
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+@defvr {Backup variable} RSH
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+@anchor{RSH}
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+Full file name of @command{rsh} binary or its equivalent. You may wish to
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set it to @code{ssh}, to improve security. In this case you will have
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to use public key authentication.
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@end defvr
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@defvr {Backup variable} RSH_COMMAND
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-Path to rsh binary on remote mashines. This will be passed via
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-@option{--rsh-command} option to the remote invocation of @GNUTAR{}.
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+Full file name of @command{rsh} binary on remote mashines. This will
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+be passed via @option{--rsh-command} option to the remote invocation
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+of @GNUTAR{}.
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@end defvr
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@defvr {Backup variable} VOLNO_FILE
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@@ -5042,7 +5052,7 @@ this will just be some literal text.
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@defvr {Backup variable} TAR
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-Pathname of the @GNUTAR{} executable. If this is not set, backup
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+Full file name of the @GNUTAR{} executable. If this is not set, backup
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scripts will search @command{tar} in the current shell path.
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@end defvr
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@@ -5481,6 +5491,7 @@ $ @kbd{cd sourcedir; tar -cf - . | (cd targetdir; tar -xf -)}
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@cindex Standard input and output
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@cindex tar to standard input and output
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+@anchor{remote-dev}
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To specify an archive file on a device attached to a remote machine,
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use the following:
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Sergey Poznyakoff