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38 lines
1.4 KiB
XML
38 lines
1.4 KiB
XML
<sect2>
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<title>Configuring Dynamic Loader</title>
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<para>By default, the dynamic loader
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(<filename>/lib/ld-linux.so.2</filename>) searches through <filename
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class="directory">/lib</filename> and <filename
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class="directory">/usr/lib</filename> for dynamic libraries that are needed
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by programs when you run them. However, if there are libraries in
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directories other than <filename class="directory">/lib</filename> and
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<filename class="directory">/usr/lib</filename>, you need to add them to
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the <filename>/etc/ld.so.conf</filename> file in order for the dynamic
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loader to find them. Two directories that are commonly known to contain
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additional libraries are <filename
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class="directory">/usr/local/lib</filename> and <filename
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class="directory">/opt/lib</filename>, so we add those directories to the
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dynamic loader's search path.</para>
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<para>Create a new file <filename>/etc/ld.so.conf</filename> by running the
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following:</para>
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<para><screen><userinput>cat > /etc/ld.so.conf << "EOF"</userinput>
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# Begin /etc/ld.so.conf
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/usr/local/lib
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/opt/lib
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# End /etc/ld.so.conf
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<userinput>EOF</userinput></screen></para>
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<para>Although it's not necessary to add the
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<filename class="directory">/lib</filename> and
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<filename class="directory">/usr/lib</filename> directories it doesn't
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hurt. This way it can be seen right away what's being searched and a you
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don't have to remember the default search paths if you don't want to.</para>
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</sect2>
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