Move changingowner from Chapter 6 to Chapter 7

git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross2@11905 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
+  <!ENTITY % general-entities SYSTEM "../general.ent">
+  %general-entities;
+]>
+
+<sect1 id="ch-tools-changingowner">
+  <?dbhtml filename="changingowner.html"?>
+
+  <title>Changing Ownership</title>
+
+  <note>
+    <para>The commands in the remainder of this book must be performed while
+    logged in as user <systemitem class="username">root</systemitem> and no
+    longer as user <systemitem class="username">lfs</systemitem>. Also, double
+    check that <envar>$LFS</envar> is set in <systemitem
+    class="username">root</systemitem>'s environment.</para>
+  </note>
+
+  <para>Currently, the whole directory hierarchy in <filename
+  class="directory">$LFS</filename>
+  is owned by the user <systemitem class="username">lfs</systemitem>, a user
+  that exists only on the host system. If the directories under <filename
+  class="directory">$LFS</filename> are kept as they are, the files are
+  owned by a user ID without a corresponding account. This is dangerous because
+  a user account created later could get this same user ID and would own all
+  the files under <filename class="directory">$LFS</filename>, thus exposing
+  these files to possible malicious manipulation.</para>
+
+  <para>To avoid this issue, you could add the <systemitem
+  class="username">lfs</systemitem> user to the new LFS system later when
+  creating the <filename>/etc/passwd</filename> file, taking care to assign it
+  the same user and group IDs as on the host system. Better yet, change the
+  ownership of the <filename class="directory">$LFS/*</filename> directories to
+  user <systemitem class="username">root</systemitem> by running the following
+  command:</para>
+
+<screen><userinput>chown -R root:root $LFS/{usr,lib,var,etc,bin,sbin,lib64,tools}</userinput></screen>
+
+</sect1>