A bit more.

diff --git a/blog/data/2013-01-14-hw-autoinstall-modalias.txt b/blog/data/2013-01-14-hw-autoinstall-modalias.txt
index 240b21d52c60ed16108e2adbba4cb5c38216fb7c..72db02bf4786f81269da4cdc7c24da25fb12a8d6 100644 (file)
--- a/blog/data/2013-01-14-hw-autoinstall-modalias.txt
+++ b/blog/data/2013-01-14-hw-autoinstall-modalias.txt
@@ -19,6 +19,23 @@ values stands for.  It is in part based on information from
 &lt;URL: <a href="http://code.metager.de/source/history/linux/stable/scripts/mod/file2alias.c">http://code.metager.de/source/history/linux/stable/scripts/mod/file2alias.c</a> &gt; and
 &lt;URL: <a href="http://cvs.savannah.gnu.org/viewvc/dmidecode/dmidecode.c?root=dmidecode&view=markup">http://cvs.savannah.gnu.org/viewvc/dmidecode/dmidecode.c?root=dmidecode&view=markup</a> &gt;.
 
 &lt;URL: <a href="http://code.metager.de/source/history/linux/stable/scripts/mod/file2alias.c">http://code.metager.de/source/history/linux/stable/scripts/mod/file2alias.c</a> &gt; and
 &lt;URL: <a href="http://cvs.savannah.gnu.org/viewvc/dmidecode/dmidecode.c?root=dmidecode&view=markup">http://cvs.savannah.gnu.org/viewvc/dmidecode/dmidecode.c?root=dmidecode&view=markup</a> &gt;.
 

+<p>The modalias entries for a given Linux machine can be found using
+this shell script:</p>
+
+<pre>
+cat $(find /sys -name modalias) | sort -u
+</pre>
+
+<p>The supported modalias globs for a given kernel module can be found
+using modinfo:</p>
+
+<pre>
+% /sbin/modinfo psmouse | grep alias:
+alias:          serio:ty05pr*id*ex*
+alias:          serio:ty01pr*id*ex*
+%
+</pre>
+

 <p><strong>PCI subtype</strong></p>
 
 <p>A typical PCI entry can look like this.  This is an Intel Host
 <p><strong>PCI subtype</strong></p>
 
 <p>A typical PCI entry can look like this.  This is an Intel Host