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[homepage.git] / blog / data / 2013-01-14-hw-autoinstall-modalias.txt

diff --git a/blog/data/2013-01-14-hw-autoinstall-modalias.txt b/blog/data/2013-01-14-hw-autoinstall-modalias.txt
index 7c03e552b45c579252a90ced4d9f678d01f5237b..4c8468f59fb3eeafe5b48c9515d3ceb53320d7ff 100644 (file)
--- a/blog/data/2013-01-14-hw-autoinstall-modalias.txt
+++ b/blog/data/2013-01-14-hw-autoinstall-modalias.txt
@@ -1,6 +1,6 @@
 Title: Modalias strings - a practical way to map "stuff" to hardware
 Title: Modalias strings - a practical way to map "stuff" to hardware

-Tags: english, debian
-Date: 2013-01-14 11:15
+Tags: english, debian, isenkram
+Date: 2013-01-14 11:20

 
 <p>While looking into how to look up Debian packages based on hardware
 information, to find the packages that support a given piece of
 
 <p>While looking into how to look up Debian packages based on hardware
 information, to find the packages that support a given piece of


@@ -23,7 +23,7 @@ values stands for.  It is in part based on information from
 this shell script:</p>
 
 <pre>
 this shell script:</p>
 
 <pre>

-cat $(find /sys -name modalias) | sort -u
+find /sys -name modalias -print0 | xargs -0 cat | sort -u

 </pre>
 
 <p>The supported modalias globs for a given kernel module can be found
 </pre>
 
 <p>The supported modalias globs for a given kernel module can be found


@@ -215,7 +215,7 @@ hardware to packages when new stuff is inserted during run time.</p>
 one can use the following shell script:</p>
 
 <pre>
 one can use the following shell script:</p>
 
 <pre>

-  for id in $(cat $(find /sys -name modalias)|sort -u); do \
+  for id in $(find /sys -name modalias -print0 | xargs -0 cat | sort -u); do \

     echo "$id" ; \
     /sbin/modprobe --show-depends "$id"|sed 's/^/  /' ; \
   done
     echo "$id" ; \
     /sbin/modprobe --show-depends "$id"|sed 's/^/  /' ; \
   done


@@ -245,3 +245,7 @@ list is very long on my test machine):</p>
 packages to install when new hardware is plugged into a Debian
 machine, please send me an email or talk to me on
 <a href="irc://irc.debian.org/%23debian-devel">#debian-devel</a>.</p>
 packages to install when new hardware is plugged into a Debian
 machine, please send me an email or talk to me on
 <a href="irc://irc.debian.org/%23debian-devel">#debian-devel</a>.</p>

+
+<p><strong>Update 2013-01-15:</strong> Rewrite "cat $(find ...)" to
+"find ... -print0 | xargs -0 cat" to make sure it handle directories
+in /sys/ with space in them.</p>