[bootlin/training-materials updates] master: Embedded Linux: add link to our ELBE blog post (ac95a242)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/ac95a24299aacd0ecbafd9b89f3fe2ff02c0d7a7

>---------------------------------------------------------------

commit ac95a24299aacd0ecbafd9b89f3fe2ff02c0d7a7
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Fri Dec 10 16:54:10 2021 +0100

    Embedded Linux: add link to our ELBE blog post
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

ac95a24299aacd0ecbafd9b89f3fe2ff02c0d7a7
 slides/sysdev-embedded-linux/sysdev-embedded-linux.tex | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
index 1a8a9e36..9b59fe5a 100644
--- a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
+++ b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
@@ -1417,7 +1417,7 @@ $(eval $(autotools-package))
 
 \begin{frame}
   \frametitle{Distributions - Debian}
-  \small
+  \footnotesize
   \begin{columns}[T]
     \column{0.8\textwidth}
     Debian GNU/Linux, \url{https://www.debian.org}
@@ -1435,7 +1435,8 @@ $(eval $(autotools-package))
 	  of packages.
     \item ELBE (\url{https://elbe-rfs.org}) is a more advanced
           environment for generating custom root filesystems
-	  based on Debian.
+	  based on Debian. See our blog post
+          \footnote{\tiny \url{https://bootlin.com/blog/elbe-automated-building-of-ubuntu-images-for-a-raspberry-pi-3b/}}.
     \end{itemize}
     \column{0.2\textwidth}
     %% Debian logo found on