[FE training-materials-updates] Kernel labs: improve NFS instructions

[Michael Opdenacker]

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

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=37f3e20f3b5a31f4505cfaf3df2f6410b1162762

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commit 37f3e20f3b5a31f4505cfaf3df2f6410b1162762
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Tue Jul 7 08:18:02 2015 +0200

    Kernel labs: improve NFS instructions
    
    - Add the same explanations as in the embedded Linux course.
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>
    Reported-by: Alan Ott <alan at signal11.us>


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37f3e20f3b5a31f4505cfaf3df2f6410b1162762
 .../kernel-compiling-and-nfs-booting.tex                             | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex b/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
index 011fde2..c1d36b2 100644
--- a/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
+++ b/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
@@ -101,6 +101,11 @@ of your board will be \code{192.168.0.100}:
 \end{verbatim}
 \normalsize
 
+Make sure that the path and the options are on the same line.
+Also make sure that there is no space between the IP address and the NFS
+options, otherwise default options will be used for this IP address,
+causing your root filesystem to be read-only.
+
 Then, restart the NFS server:
 
 \begin{verbatim}