chapter05: Translate changing owner instruction

chapter05/changingowner.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!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">
@@ -8,46 +8,75 @@
 <sect1 id="ch-tools-changingowner">
   <?dbhtml filename="changingowner.html"?>
 
-  <title>Changing Ownership</title>
+  <title>改变文件所有者</title>
 
   <note>
-    <para>The commands in the remainder of this book must be performed while
+    <!--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>$LFS</envar> is set in <systemitem
-    class="username">root</systemitem>'s environment.</para>
+    class="username">root</systemitem>'s environment.</para-->
+	<para>本书中剩余部分的命令都必须用
+		<systemitem class="username">root</systemitem> 用户身份执行，
+		而不是 <systemitem class="username">lfs</systemitem> 用户。
+		另外，记得再次检查 <envar>$LFS</envar> 在
+		<systemitem class="username">root</systemitem> 的环境中被正确设定。
+	</para>
   </note>
 
-  <para>Currently, the <filename class="directory">$LFS/tools</filename> directory
+  <!--para>Currently, the <filename class="directory">$LFS/tools</filename> directory
   is owned by the user <systemitem class="username">lfs</systemitem>, a user
   that exists only on the host system. If the <filename
   class="directory">$LFS/tools</filename> directory is kept as is, the files are
   owned by a user ID without a corresponding account. This is dangerous because
   a user account created later could get this same user ID and would own the
   <filename class="directory">$LFS/tools</filename> directory and all the files
-  therein, thus exposing these files to possible malicious manipulation.</para>
+  therein, thus exposing these files to possible malicious manipulation.</para-->
+  <para>目前，<filename class="directory">$LFS/tools</filename>
+	  目录的所有者是 <systemitem class="username">lfs</systemitem>，
+	  这是一个仅在宿主系统上存在的用户。如果将它这样保留下去，
+	  其中的文件将属于一个没有用户名的用户 ID。这是很危险的，
+	  因为未来创建的一个用户名可能得到相同的用户 ID，
+	  并获得 <filename class="directory">$LFS/tools</filename>
+	  目录及其中文件的所有权，留下恶意操作它们的可能性。</para>
 
-  <para>To avoid this issue, you could add the <systemitem
+  <!--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">$LFS/tools</filename> directory to
   user <systemitem class="username">root</systemitem> by running the following
-  command:</para>
+  command:</para-->
+  <para>为了避免这个问题，您可以在后面创建 <filename>/etc/passwd</filename>
+	  时将 <systemitem class="username">lfs</systemitem>
+	  用户添加到新的 LFS 系统中，注意为它分配和宿主系统一样的用户
+	  ID 和组 ID。更好的方式是，现在就把
+	  <filename class="directory">$LFS/tools</filename> 目录的所有者改变为
+	  <systemitem class="username">root</systemitem>。执行命令：</para>
 
 <screen><userinput>chown -R root:root $LFS/tools</userinput></screen>
 
-  <para>Although the <filename class="directory">$LFS/tools</filename> directory
+  <!--para>Although the <filename class="directory">$LFS/tools</filename> directory
   can be deleted once the LFS system has been finished, it can be retained to build
   additional LFS systems <emphasis>of the same book version</emphasis>. How best
   to backup <filename class="directory">$LFS/tools</filename> is a matter of
-  personal preference.</para>
+  personal preference.</para-->
+  <para>尽管 <filename class="directory">$LFS/tools</filename>
+	  目录可以在 LFS 系统构建完成后删除，
+	  但也可以保留它用于构建更多的<emphasis>相同版本的</emphasis>
+	  LFS 系统。用什么方法备份
+	  <filename class="directory">$LFS/tools</filename> 取决于个人。
+  </para>
 
   <caution>
-    <para>If you intend to keep the temporary tools for use in building future LFS
+    <!--para>If you intend to keep the temporary tools for use in building future LFS
     systems, <emphasis>now</emphasis> is the time to back them up. Subsequent
     commands in chapter 6 will alter the tools currently in place, rendering them
-    useless for future builds.</para>
+    useless for future builds.</para-->
+    <para>如果您有意保留临时工具，用来构建新的 LFS 系统，
+		<emphasis>现在</emphasis>就要保存好它们。
+		第 6 章中后续执行的命令将就地调整这些工具，
+		导致它们不能用于构建新系统。</para>
   </caution>
 
 </sect1>