Upgrade Linux Kernel 4.5.1 (Stable). How to install Linux Kernel 4.5.1 (Stable) on Ubuntu and Linux Mint Derivatives. On 32 Bit Ubuntu Systems Run the following commands in Terminal to install or upgrade Linux Kernel 4.5.1 RC3 on 32 Bit Ubuntu Systems: wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-headers-4.5.1-040501_4.5.1-040501.201604121331_all.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-headers-4.5.1-040501-generic_4.5.1-040501.201604121331_i386.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-image-4.5.1-040501-generic_4.5.1-040501.201604121331_i386.deb sudo dpkg -i *.deb sudo update-grub sudo […]