Ignore:
Timestamp:
02/03/2006 06:23:22 PM (19 years ago)
Author:
Manuel Canales Esparcia <manuel@…>
Children:
fa994c9
Parents:
b4cd3c5
Message:

Ported r7294 to r7325 from trunk to alphabetical branch.

git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/alphabetical/BOOK@7333 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:
1 edited

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  • chapter06/changingowner.xml

    rb4cd3c5 re6ab4b5  
    11<?xml version="1.0" encoding="ISO-8859-1"?>
    2 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
     2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
     3  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
    34  <!ENTITY % general-entities SYSTEM "../general.ent">
    45  %general-entities;
    56]>
     7
    68<sect1 id="ch-system-changingowner">
    7 <title>Changing Ownership</title>
    8 <?dbhtml filename="changingowner.html"?>
     9  <?dbhtml filename="changingowner.html"?>
    910
    10 <para>Currently, the <filename class="directory">/tools</filename>
    11 directory is owned by the user <emphasis>lfs</emphasis>, a user that
    12 exists only on the host system. Although the <filename
    13 class="directory">/tools</filename> directory can be deleted once the
    14 LFS system has been finished, it can be retained to build additional
    15 LFS systems. If the <filename class="directory">/tools</filename>
    16 directory is kept as is, the files are owned by a user ID without a
    17 corresponding account. This is dangerous because a user account
    18 created later could get this same user ID and would own the <filename
    19 class="directory">/tools</filename> directory and all the files
    20 therein, thus exposing these files to possible malicious
    21 manipulation.</para>
     11  <title>Changing Ownership</title>
    2212
    23 <para>To avoid this issue, add the <emphasis>lfs</emphasis> user to
    24 the new LFS system later when creating the
    25 <filename>/etc/passwd</filename> file, taking care to assign it the
    26 same user and group IDs as on the host system. Alternatively, assign
    27 the contents of the <filename class="directory">/tools</filename>
    28 directory to user <emphasis>root</emphasis> by running the following
    29 command:</para>
     13  <para>Currently, the <filename class="directory">/tools</filename> directory
     14  is owned by the user <systemitem class="username">lfs</systemitem>, a user
     15  that exists only on the host system. Although the <filename
     16  class="directory">/tools</filename> directory can be deleted once the LFS
     17  system has been finished, it can be retained to build additional LFS systems.
     18  If the <filename class="directory">/tools</filename> directory is kept as is,
     19  the files are owned by a user ID without a corresponding account. This is
     20  dangerous because a user account created later could get this same user ID
     21  and would own the <filename class="directory">/tools</filename> directory
     22  and all the files therein, thus exposing these files to possible malicious
     23  manipulation.</para>
     24
     25  <para>To avoid this issue, add the <systemitem class="username">lfs</systemitem>
     26  user to the new LFS system later when creating the
     27  <filename>/etc/passwd</filename> file, taking care to assign it the same user
     28  and group IDs as on the host system. Alternatively, assign the contents of
     29  the <filename class="directory">/tools</filename> directory to user
     30  <systemitem class="username">root</systemitem> by running the following
     31  command:</para>
    3032
    3133<screen><userinput>chown -R 0:0 /tools</userinput></screen>
    3234
    33 <para>The command uses <parameter>0:0</parameter> instead of
    34 <parameter>root:root</parameter>, because <command>chown</command>
    35 is unable to resolve the name <quote>root</quote> until the password
    36 file has been created. This book assumes you ran this
    37 <command>chown</command> command.</para>
     35  <para>The command uses <parameter>0:0</parameter> instead of
     36  <parameter>root:root</parameter>, because <command>chown</command>
     37  is unable to resolve the name <quote>root</quote> until the
     38  <filename>passwd</filename> file has been created.</para>
    3839
    3940</sect1>
    40 
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