lfs-book-zh_CN/chapter06/shadowpwd-inst.xml

<sect2>
<title>Installation of Shadow Password Suite</title>

<para>Before you install this package, you may want to have a look at the
<ulink url="http://hints.linuxfromscratch.org/hints/shadowpasswd_plus.txt">http://hints.linuxfromscratch.org/hints/shadowpasswd_plus.txt</ulink>
lfs hint. It discusses how you can make your system more secure regarding
passwords and how to get the most out of this Shadow package.</para>

<para>Install the Shadow Password Suite by running the 
following commands:</para>

<para><screen><userinput>cp src/useradd.c src/useradd.c.backup &amp;&amp;
sed 's/\(.*\) (nflg || \(.*\))\(.*\)/\1\2\3/' \
&nbsp;&nbsp;&nbsp;src/useradd.c.backup &gt; src/useradd.c &amp;&amp;
./configure --prefix=/usr &amp;&amp;
make &amp;&amp;
make install &amp;&amp;
cd etc &amp;&amp;
cp limits login.access /etc &amp;&amp;
sed 's%/var/spool/mail%/var/mail%' login.defs.linux &gt; /etc/login.defs &amp;&amp;
cd /lib &amp;&amp;
mv libshadow.*a /usr/lib &amp;&amp;
ln -sf libshadow.so.0 libshadow.so &amp;&amp;
cd /usr/lib &amp;&amp;
ln -sf ../../lib/libshadow.so</userinput></screen></para>

</sect2>