Author: matthew
Date: 2008-01-19 08:25:26 -0700 (Sat, 19 Jan 2008)
New Revision: 8452
Modified:
trunk/BOOK/chapter01/changelog.xml
trunk/BOOK/chapter06/pkgmgt.xml
trunk/BOOK/general.ent
Log:
Add a few more details to the package management section, and correct the URL
for the LSB specs. Fixes #2073 and #2130.
Modified: trunk/BOOK/chapter01/changelog.xml
===================================================================
--- trunk/BOOK/chapter01/changelog.xml 2008-01-04 19:47:49 UTC (rev 8451)
+++ trunk/BOOK/chapter01/changelog.xml 2008-01-19 15:25:26 UTC (rev 8452)
@@ -37,6 +37,19 @@
-->
<listitem>
+ <para>2008-01-19</para>
+ <itemizedlist>
+ <listitem>
+ <para>[matthew] - Mention <command>strace</command> as another means
+ of logging installed files, and correct the URL of the Linux Standard
+ Base specifications. Fixes
+ <ulink url="&lfs-ticket-root;2073">#2073</ulink> and
+ <ulink url="&lfs-ticket-root;2130">#2130</ulink>.</para>
+ </listitem>
+ </itemizedlist>
+ </listitem>
+
+ <listitem>
<para>2008-01-04</para>
<itemizedlist>
<listitem>
Modified: trunk/BOOK/chapter06/pkgmgt.xml
===================================================================
--- trunk/BOOK/chapter06/pkgmgt.xml 2008-01-04 19:47:49 UTC (rev 8451)
+++ trunk/BOOK/chapter06/pkgmgt.xml 2008-01-19 15:25:26 UTC (rev 8452)
@@ -12,12 +12,14 @@
<para>Package Management is an often requested addition to the LFS Book. A
Package Manager allows tracking the installation of files making it easy to
- remove and upgrade packages. Before you begin to wonder, NO—this
section
- will not talk about nor recommend any particular package manager. What it
- provides is a roundup of the more popular techniques and how they work. The
- perfect package manager for you may be among these techniques or may be a
- combination of two or more of these techniques. This section briefly mentions
- issues that may arise when upgrading packages.</para>
+ remove and upgrade packages. As well as the binary and library files, a
+ package manager will handle the installation of configuration files. Before
+ you begin to wonder, NO—this section will not talk about nor recommend
+ any particular package manager. What it provides is a roundup of the more
+ popular techniques and how they work. The perfect package manager for you may
+ be among these techniques or may be a combination of two or more of these
+ techniques. This section briefly mentions issues that may arise when
upgrading
+ packages.</para>
<para>Some reasons why no package manager is mentioned in LFS or BLFS
include:</para>
@@ -182,9 +184,13 @@
</sect3>
<sect3>
- <title>LD_PRELOAD Based</title>
+ <title>Tracing Installation Scripts</title>
- <para>In this approach, a library is preloaded before installation.
During
+ <para>In this approach, the commands that the installation scripts
perform
+ are recorded. There are two techniques that one can use:</para>
+
+ <para>The <envar>LD_PRELOAD</envar> environment variable can be set to
+ point to a library to be preloaded before installation. During
installation, this library tracks the packages that are being installed
by
attaching itself to various executables such as <command>cp</command>,
<command>install</command>, <command>mv</command> and tracking the system
@@ -195,6 +201,9 @@
ensure that the package manager does not break anything and logs all the
appropriate files.</para>
+ <para>The second technique is to use <command>strace</command>, which
+ logs all system calls made during the execution of the installation
+ scripts.</para>
</sect3>
<sect3>
@@ -209,7 +218,7 @@
<para>This approach is used by most of the package managers found in the
commercial distributions. Examples of package managers that follow this
approach are RPM (which, incidentally, is required by the <ulink
- url="http://lsbbook.gforge.freestandards.org/package.html#RPM";>Linux
+ url="http://www.linux-foundation.org/en/Specifications";>Linux
Standard Base Specification</ulink>), pkg-utils, Debian's apt, and
Gentoo's Portage system. A hint describing how to adopt this style of
package management for LFS systems is located at <ulink
Modified: trunk/BOOK/general.ent
===================================================================
--- trunk/BOOK/general.ent 2008-01-04 19:47:49 UTC (rev 8451)
+++ trunk/BOOK/general.ent 2008-01-19 15:25:26 UTC (rev 8452)
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="ISO-8859-1"?>
-<!ENTITY version "SVN-2008-0104">
-<!ENTITY releasedate "January 4, 2007">
+<!ENTITY version "SVN-20080119">
+<!ENTITY releasedate "January 19, 2007">
<!ENTITY milestone "7.0">
<!ENTITY generic-version "development"> <!-- Use "development", "testing", or
"x.y[-pre{x}]" -->
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