#!/bin/bash
current_kernel=$(uname -r)
new_kernel=$(apt-cache madison linux-image-generic | awk '{print $3}' | grep -E '5\.15\.0-[0-9]+-generic' | head -n 1)
if [[ "$new_kernel" != "" && "$new_kernel" != "$current_kernel" ]]
then
    next_kernel=$(apt-cache madison linux-image-generic | awk '{print $3}' | grep -E '5\.15\.0-[0-9]+-generic' | head -n 2 | tail -n 1)
    if [[ "$next_kernel" != "" ]]
    then
        sudo apt-get update
        sudo apt-get install "$next_kernel" -y
    fi
fi