HI All,
I am trying to create a customer boot CD/DVD/iso. Basically just copy the iso
and "replace" one file the boot menu txt.cfg is what I want to do. I added a timeout line "timeout 90" and a label entry. That is all. My Script:
MOUNT_POINT="/mnt/iso"
DATE=`date "+%Y.%m.%d"`
DESTINATION_DIR="/home/silentm/development.systems/Ubuntu-Server.20.04"
DESTINATION_IMAGE="/home/silentm/CDROM.iso/Ubuntu.20.04/Ubuntu.20.04.LSI.$DATE.iso"
rm /home/silentm/CDROM.iso/Ubuntu.20.04/*.LSI.*.iso
mount -o loop /home/silentm/CDROM.iso/Ubuntu.20.04/ubuntu-20.04.1-live-server-amd64.iso $MOUNT_POINT
mkdir -p $DESTINATION_DIR
cp -rT $MOUNT_POINT $DESTINATION_DIR
umount $MOUNT_POINT
# Put in CUSTOM file
cp /home/silentm/src/isolinux_ubuntu20.txt.cfg $DESTINATION_DIR/isolinux/txt.cfg
mkisofs -r -V "Custom Ubuntu Server Install CD" \
-cache-inodes \
-J -l -b isolinux/isolinux.bin \
-c isolinux/
boot.cat -no-emul-boot \
-boot-load-size 4 -boot-info-table \
-o $DESTINATION_IMAGE $DESTINATION_DIR
rm -rf $DESTINATION_DIR
Runs without errors. But when I boot the iso - its like my changes did not take effect at all. I do not get a menu with a 9 second timeout and the boot just boots into the normal first menu screen with the Try or Install.
What am I missing to get a menu to show to select the install menu item I added.
Must be something easy.
Jerry
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