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Show linking a custom kernel config file from another directory.

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This commit is contained in:
Warren Block 2017-05-12 18:33:06 +00:00
parent a7640c8244
commit aa76ce37db
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=50252
1 changed files with 14 additions and 3 deletions
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17
en_US.ISO8859-1/books/handbook/cutting-edge/chapter.xml
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@ -1398,15 +1398,26 @@ Working Copy Root Path: /usr/src
<literal>amd64</literal>, giving a config file directory of
<filename>/usr/src/sys/<replaceable>amd64</replaceable>/conf/</filename>.</para>
<tip>
<para><filename>/usr/src</filename> can be deleted or
recreated, so it is preferable to keep custom kernel
config files in a separate directory, like
<filename>/root</filename>. Link the kernel config file
into the <filename>conf</filename> directory. If that
directory is deleted or overwritten, the kernel config
can be re-linked into the new one.</para>
</tip>
<para>A custom config file can be created by copying the
<filename>GENERIC</filename> config file. In this example,
the new custom kernel is for a storage server, so is named
<filename>STORAGESERVER</filename>:</para>
<screen>&prompt.root; <userinput>cd /usr/src/sys/amd64/conf</userinput>
&prompt.root; <userinput>cp GENERIC STORAGESERVER</userinput></screen>
<screen>&prompt.root; <userinput>cp /usr/src/sys/amd64/conf/GENERIC /root/STORAGESERVER</userinput>
&prompt.root; <userinput>cd /usr/src/sys/amd64/conf</userinput>
&prompt.root; <userinput>ln -s /root/STORAGESERVER .</userinput></screen>
<para><filename>STORAGESERVER</filename> is then edited,
<para><filename>/root/STORAGESERVER</filename> is then edited,
adding or removing devices or options as shown in
&man.config.5;.</para>