由于自己手动编译LFS的繁琐，可以考虑用nALFS帮你简化。
配置nALFS很简单。
首先去http://www.sg.linuxfromscretch.org 下载nALFS和profile。
解压安装完毕后，进入profile
修改config 和skeleton目录下配置文件。
先建立个ext2分区，假设在/dev/hdc5
设root 用户密码root ,lfs用户密码为：123456
config/general.ent<!--
This file contains various entities that must be customized
for the build to work on your machine.
For the build to be successfull, you should :
- run nALFS as root
- check that your umask is 022
-->
<!-- Directory in which LFS system will be installed.
The build process try to mkdir -p it if it doen't exist.
If you want to build LFS in its own partition (which
is normally the case), you should create the directory
and mount the partition before running nALFS.
-->
<!ENTITY LFS "/mnt/lfs"> //LFS安装分区挂载处
<!-- Location of your LFS packages.
This is the directory in which all the packages downloaded
from ftp.linuxfromscratch.org (or their original servers)
are before running the script. The content of this directory
will be copied in a subdirectory of &LFS; at the beginning of
the build.
IMPORTANT : be carefull about the original packages dir; if you
enter the wrong directory, nALFS will try to download
all the packages in it !!!
-->
<!ENTITY orig_packages_dir "/lfs/"> //软件包所在目录<!-- Timezone file
This entity will be used as the target of the link
/etc/localtime
-->
<!ENTITY localtime "/usr/share/zoneinfo/Asia/Shanghai">//时区设置
<!-- Keymap file.
This entity will be used as the target of the link
/usr/share/kbd/keymaps/defkeymap.map.gz
-->
<!ENTITY keymap "i386/qwerty/us.map.gz"> //我用us键盘<!-- Temporary user name used for installing Chapter 5.
This is a user in the host distribution. It will not
be deleted at the end of the build.
If the user does not exist it will be created.
-->
<!ENTITY lfs-user "lfs"> //建立临时用户之用户名
<!-- Password of the temporary user name &lfs;
You should change this value and keep the present file
secure this value has been changed or, better,
create yourself the user in the host distribution,
and give it a password.
If the user exists already, its password will not be changed.
-->
<!ENTITY lfs-password "123456"> //临时用户密码
<!-- Temporary user's home directory. -->
<!ENTITY lfs-user-dir "/home/&lfs-user;">
<!-- Root password.
This is the password of root in the new LFS distribution.
Of course, you should change it as soon as you log into
your new LFS.
-->
<!ENTITY password "root"> //root用户密码
<!-- LFS book version -->
<!ENTITY LFS-version "6.1"> //LFS版本
<!-- THE FOLLOWING THREE ENTITY DECLARATIONS SHOULDN'T BE MODIFIED
UNLESS YOU KNOW WHAT YOU ARE DOING
-->
<!-- Directory (inside LFS) where all packages will be copied. -->
<!ENTITY packages_dir "/tools/packages-&LFS-version;">
<!-- Directory (inside LFS) where all packages will be compiled. -->
<!ENTITY build_dir "/tools/build">
<!-- Directory (inside LFS) where all skeleton config files will be copied. -->
<!ENTITY skeleton_dir "/tools/skeleton-&LFS-version;">
<!-- gcc optimizations flags (overridden in packages known
to behave badly with optimizations)
see http://www.linuxfromscratch.org/hints/downloads/files/optimization.txt
for more info
IF YOU DON'T KNOW WHAT THIS IS FOR, DON'T CHANGE IT
-->
<!ENTITY gcc_optimizations "">
<!-- parallel build level (make flag -j). Default is unset. For faster build
times, you might try setting this flag to 2-3 times the number of
processors in your machine. So, for example, a single processor machine,
you might set this entity to "-j3"
-->
<!ENTITY jlevel "">
<!-- gcc target triplet (used for adjusting the toolchain) -->
<!ENTITY gcc_target "i686-pc-linux-gnu">
<!-- grub settings (these need to be in grub's notation) -->
<!ENTITY grub-root "hd0,4"> //grub root
<!ENTITY grub-install-location "hd0,4"> //grub安装位置
<!-- dynamic linker in the gcc specs file that your system uses,
e.g.
x86 = ld-linux.so.2
powerpc = ld.so.1
-->
<!ENTITY glibc-loader "ld-linux.so.2"> //要是x86体系的不要改这
<!-- terminal type for your host system (found in the TERM
environment variable
-->
<!ENTITY TERM "linux">
<!-- Groff expects the environment variable PAGE to contain the default
paper size.
For those in the United States, this would be 'letter'.
If you live elsewhere, it could also be 'A4'.
-->
<!ENTITY paper_size "letter">
<!ENTITY real-amp "&#38;">
我的skeleton我的config
里头已经带了一个临时的内核配置文件
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