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Date:      Wed, 28 Aug 2002 17:03:17 +0200 (CEST)
From:      Martin Heinen <martin@sumuk.de>
To:        FreeBSD-gnats-submit@FreeBSD.org
Subject:   docs/42125: [PATCH] slightly reformulate remote backups
Message-ID:  <200208281503.g7SF3HRT094714@Kain.sumuk.de>
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>Number:         42125
>Category:       docs
>Synopsis:       [PATCH] slightly reformulate remote backups
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Aug 28 08:10:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Martin Heinen
>Release:        FreeBSD 4.6-STABLE i386
>Organization:
>Environment:
System: FreeBSD Kain.sumuk.de 4.6-STABLE FreeBSD 4.6-STABLE #0: Mon Aug 12 13:45:36 CEST 2002 toor@Kain.sumuk.de:/usr/obj/usr/src/sys/KAIN i386


	
>Description:
	- added a missing space,
	- rhosts -> .rhosts,
	- moved long command lines inside <screen> so the reader can
	  easily compare with the following examples,
	- rdump/rrestore -> dump/restore when used in a secure fashion
	
>How-To-Repeat:
	Read 'Backup Basics' in the handbook.
	
>Fix:
Index: chapter.sgml
===================================================================
RCS file: /u/cvs/doc/en_US.ISO8859-1/books/handbook/disks/chapter.sgml,v
retrieving revision 1.105
diff -u -r1.105 chapter.sgml
--- chapter.sgml	27 Aug 2002 18:08:01 -0000	1.105
+++ chapter.sgml	28 Aug 2002 14:32:15 -0000
@@ -1467,36 +1467,38 @@
         these are typically mount points for other filesystems or
         symbolic links into those filesystems.</para></note>
 
-      <para><command>dump</command>has quirks that remain from its early days in
+      <para><command>dump</command> has quirks that remain from its early days in
 	Version 6 of AT&amp;T Unix (circa 1975).  The default
 	parameters are suitable for 9-track tapes (6250 bpi), not the
 	high-density media available today (up to 62,182 ftpi).  These
 	defaults must be overridden on the command line to utilize the
 	capacity of current tape drives.</para>
 
-      <indexterm><primary><filename>rhosts</filename></primary></indexterm>
+      <indexterm><primary><filename>.rhosts</filename></primary></indexterm>
       <para>It is also possible to backup data across the network to a
         tape drive attached to another computer with <command>rdump</command> and
         <command>rrestore</command>.  Both programs rely upon <command>rcmd</command> and
         <command>ruserok</command> to access the remote tape drive.  Therefore,
-        the user performing the backup must have
-        <literal>rhosts</literal> access to the remote computer.  The
+	the user performing the backup must be listed in the
+	<filename>.rhosts</filename> file on the remote computer.  The
         arguments to <command>rdump</command> and <command>rrestore</command> must be suitable
-        to use on the remote computer.  (e.g. When
+        to use on the remote computer.  When
         <command>rdump</command>ing from a FreeBSD computer to an
         Exabyte tape drive connected to a Sun called
-        <hostid>komodo</hostid>, use: <command>/sbin/rdump 0dsbfu
-        54000 13000 126 komodo:/dev/nrsa8 /dev/rda0a
-        2>&amp;1</command>) Beware: there are security implications to
-        allowing <literal>rhosts</literal> commands.  Evaluate your
+        <hostid>komodo</hostid>, use:</para>
+
+      <screen>&prompt.root; <userinput>/sbin/rdump 0dsbfu 54000 13000 126 komodo:/dev/nrsa8 /dev/rda0a 2>&amp;1</userinput></screen>
+
+      <para>Beware: there are security implications to
+        allowing <filename>.rhosts</filename> authentication.  Evaluate your
         situation carefully.</para>
 
-      <para>It is also possible to use <command>rdump</command> and
-        <command>rrestore</command> in a more secure fashion over
+      <para>It is also possible to use <command>dump</command> and
+        <command>restore</command> in a more secure fashion over
         <command>ssh</command>.</para>
 
       <example>
-	<title>Using <command>rdump</command> over <application>ssh</application></title>
+	<title>Using <command>dump</command> over <application>ssh</application></title>
 
 	<screen>&prompt.root; <userinput>/sbin/dump -0uan -f - /usr | gzip -2 | ssh1 -c blowfish \
           targetuser@targetmachine.example.com dd of=/mybigfiles/dump-usr-l0.gz</userinput></screen>
@@ -1525,8 +1527,11 @@
 	<command>tar</command>, which FreeBSD utilizes, supports remote
 	devices using the same syntax as <command>rdump</command>.  To
 	<command>tar</command> to an Exabyte tape drive connected to a
-	Sun called <hostid>komodo</hostid>, use: <command>/usr/bin/tar
-	  cf komodo:/dev/nrsa8 . 2>&amp;1</command>.  For versions without
+	Sun called <hostid>komodo</hostid>, use:</para>
+
+      <screen>&prompt.root; <userinput>/usr/bin/tar cf komodo:/dev/nrsa8 . 2>&amp;1</userinput></screen>
+
+      <para>For versions without
 	remote device support, you can use a pipeline and
 	<command>rsh</command> to send the data to a remote tape
 	drive.</para>


>Release-Note:
>Audit-Trail:
>Unformatted:

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