Remove a version of kernel specified. (Run as root)

remove_kernel.sh

## Ubuntu/Debian compatible. Run as $ su -c ./remove_kernel.sh

#!/bin/bash
echo "Enter the kernel name : "
read kernel_name

echo "****************************"
echo "Removing $kernel_name kernel"
echo "****************************"

if [ $(uname -r) == $kernel_name ]
then
  echo "** ERROR: You are trying to remove the current kernel. Boot into someother kernel and proceed **"
  exit 1
fi

rm /boot/vmlinuz-$kernel_name
if [ $? -eq 0 ]; then
    echo "DELETED: vmlinuz-$kernel_name"
fi

rm /boot/initrd.img-$kernel_name
if [ $? -eq 0 ]; then
    echo "DELETED: initrd.img-$kernel_name"
fi

rm /boot/System.map-$kernel_name
if [ $? -eq 0 ]; then
    echo "DELETED: System.map-$kernel_name"
fi

rm /boot/config-$kernel_name
if [ $? -eq 0 ]; then
    echo "DELETED: config-$kernel_name"
fi

rm -rf /lib/modules/$kernel_name
if [ $? -eq 0 ]; then
    echo "DELETED: /lib/modules/$kernel_name"
fi

update-grub

echo "Grub update complete"
echo "****************************"
echo "REMOVED: $kernel_name kernel"
echo "****************************"