kernel_rollback.sh

#!/bin/bash



grub_cfg=/etc/default/grub

kernel_selection=$(grep "menuentry" /boot/grub/grub.cfg | cut -d "'" -f 2 | grep Debian | grep 6.1.0-29-amd64 | grep -v "Debian GNU/Linux, with Linux 6.1.0-29-amd64 (recovery mode)")



echo $kernel_selection


echo "GRUB_DEFAULT=\"Advanced options for Debian GNU/Linux>$kernel_selection\"" >> $grub_cfg