Further updates about the tftp server home directory

- It is now on /srv/tftp if /srv exists on your system

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>

labs/kernel-board-setup/kernel-board-setup.tex

@@ -217,10 +217,12 @@ \section{Setting up the TFTP server}
 sudo apt install tftpd-hpa
 \end{verbatim}
 
-Once the package is installed, open \code{/etc/default/tftpd-hpa} with your favorite
-text editor, and make sure that the TFTP directory is set to \code{TFTP_DIRECTORY=/var/lib/tftpboot/}.
+Once the package is installed, view the contents of
+\code{/etc/default/tftpd-hpa}, and check what the TFTP server home directory
+(\code{TFTP_DIRECTORY} setting). If \code{/srv} exists on your system,
+it should be \code{/srv/tftp}, otherwise \code{/var/lib/tftpboot/}.
 
-If you need to make a change, then save the changes and restart the TFTP server:
+If you wish to make a change to this file, you will have to restart the TFTP server:
 
 \begin{verbatim}
 sudo /etc/init.d/tftpd-hpa restart
@@ -229,7 +231,7 @@ \section{Setting up the TFTP server}
 \section{Testing the network connection}
 
 You can then test the TFTP connection.  First, put a small text
-file in \code{/var/lib/tftpboot}. Then, from U-Boot, do:
+file in TFTP server home directory. Then, from U-Boot, do:
 
 \begin{verbatim}
 tftp 0x81000000 textfile.txt

labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex

@@ -98,7 +98,7 @@ \section{Kernel compiling}
 
 Now, copy the \code{zImage} and \code{am335x-boneblack.dtb}
 or \code{am335x-boneblack-wireless.dtb} files
-to the TFTP server home directory (\code{/var/lib/tftpboot}).
+to the TFTP server home directory (as specified in \code{/etc/default/tftpd-hpa}).
 
 \section{Setting up the NFS server}
 
@@ -189,15 +189,15 @@ \section{Checking the kernel version}
 
 It's often a good idea to make sure you booted the right kernel.
 By mistake, you could have booted a kernel previously stored in flash
-(typically through a default boot command in U-Boot), or forgotten to 
-update the kernel image in \code{/var/lib/tftpboot}.
+(typically through a default boot command in U-Boot), or forgotten to
+update the kernel image in the TFTP server home directory.
 
 This could explain some unexpected behavior.
 
 There are two ways of checking your kernel version:
 \begin{itemize}
 \item By looking at the first kernel messages
-\item By running the \code{uname -a} command after booting Linux. 
+\item By running the \code{uname -a} command after booting Linux.
 \end{itemize}
 
 In both cases, you will not only know the kernel version, but also

labs/yocto-advanced-configuration-stm32/yocto-advanced-configuration-stm32.tex

@@ -179,10 +179,11 @@ \section{Going further}
 
 \begin{enumerate}
 
-\item Install a TFTP server (package \code{tftpd-hpa}) on your system. 
+\item Install a TFTP server (package \code{tftpd-hpa}) on your system.
 
 \item Copy the Linux kernel image and Device Tree to
-  \code{/var/lib/tftpboot} so that they are made available by the TFTP
+  the TFTP server home directory (specified in
+  \code{/etc/default/tftpd-hpa}) so that they are made available by the TFTP
   server.
 
 \item Change the U-Boot \code{bootcmd} to load the kernel image and

labs/yocto-advanced-configuration/yocto-advanced-configuration.tex

@@ -176,7 +176,8 @@ \section{Going further}
 \item Install a TFTP server (package \code{tftpd-hpa}) on your system.
 
 \item Copy the Linux kernel image and Device Tree to
-  \code{/var/lib/tftpboot} so that they are made available by the TFTP
+  the TFTP server home directory (specified in
+  \code{/etc/default/tftpd-hpa}) so that they are made available by the TFTP
   server.
 
 \item Change the U-Boot \code{bootcmd} to load the kernel image and