Install Linux Kernel 4.9 In Ubuntu and It's Derivatives

install_linux4.9_in_ubuntu.sh

#! /bin/sh

#to produce colored output in STDOUT
red="$(tput setaf 1)"
green="$(tput setaf 2)"
blue="$(tput setaf 4)"
reset="$(tput sgr0)"
bold="$(tput bold)"

myArch=$(getconf LONG_BIT)
cd

install_linux_4_9() {

	mkdir linux4.9 && cd linux4.9

	if [ "$myArch" = "64" ]; then
		echo "Its 64 bit kernel"
		wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/linux-headers-4.9.0-040900_4.9.0-040900.201612111631_all.deb;
		wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/linux-headers-4.9.0-040900-generic_4.9.0-040900.201612111631_amd64.deb;
		wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/linux-image-4.9.0-040900-generic_4.9.0-040900.201612111631_amd64.deb;
	elif [ "$myArch" = "32" ]; then
		echo "Its 32 bit kernel"
		wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/linux-headers-4.9.0-040900_4.9.0-040900.201612111631_all.deb;
		wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/linux-headers-4.9.0-040900-generic_4.9.0-040900.201612111631_i386.deb;
		wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/linux-image-4.9.0-040900-generic_4.9.0-040900.201612111631_i386.deb;
	fi

	[ "$?" = "0" ] && sudo dpkg -i *.deb && echo "$bold $green Linux 4.9 Successfully Installed $reset"
	[ "$?" = "0" ] && echo " Run ${bold}${green}sudo reboot${reset} to Reboot Your System Now "
	[ "$?" = "0" ] && echo "$bold $red If You Encounter Any Issues With Linux 4.9 and Want To Remove Linux 4.9 Just Run This Script With d $reset"
}

delete_linux_4_9() {
	echo "Removing Linux 4.9..."
	[ "$?" = "0" ] && sudo apt-get -y remove linux-image-4.9.0-040900-generic && sudo apt-get autoremove 
	[ "$?" = "0" ] && echo "$bold $green Linux 4.9 Successfully Removed From Your System"
	[ "$?" = "0" ] && echo "  Reboot Your System Now $reset"
}


current_kernel_version="$(uname -r | cut -c1-3)"

if [ "$current_kernel_version" = "4.9" ]; then
	[ "$1" = "d" ] && delete_linux_4_9 || echo "$bold $green Linux Kernel 4.9 Already Installed In Your System $reset"
else
	[ "$1" = "d" ] && echo "$bold$red You Have Not Installed Linux Kernel 4.9 Yet.." &&
	echo "Currently Linux Kernel $current_kernel_version Installed In Your System $reset" || install_linux_4_9
fi

echo "$bold $green https://gist.github.com/shivarajnaidu/"
echo "  Follow Us On Fb: https://fb.com/opensourceinside"
echo "  Take A Look At: https://opensourceinside.blogspot.com $reset"
# echo "$bold $green https://gist.github.com/shivarajnaidu/cfd4ddc12de1798a82d1dbe0b8fad0b2 $reset"