[FE training-materials-updates] Instruct to watch out for /etc/exports errors

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=6e9fb7d50155ae27251ff506a114dbfb7ca761e9

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commit 6e9fb7d50155ae27251ff506a114dbfb7ca761e9
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Thu Oct 4 05:18:00 2012 +0200

    Instruct to watch out for /etc/exports errors


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6e9fb7d50155ae27251ff506a114dbfb7ca761e9
 .../kernel-module-environment.tex                  |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/labs/kernel-module-environment/kernel-module-environment.tex b/labs/kernel-module-environment/kernel-module-environment.tex
index 5473119..11fbda5 100644
--- a/labs/kernel-module-environment/kernel-module-environment.tex
+++ b/labs/kernel-module-environment/kernel-module-environment.tex
@@ -111,6 +111,10 @@ Then, restart the NFS server:
 sudo /etc/init.d/nfs-kernel-server restart
 \end{verbatim}
 
+If there is any error message, this usually means that there was a
+syntax error in the \code{/etc/exports} file. Don't proceed until these
+errors disappear.
+
 \section{Setting up serial communication with the board}
 
 Plug the Calao board on your computer using its USB-A connector. When