Install latest linux kernel on Ubuntu server

Sometimes upgrading linux kernel may increase overall performance of your server (including network and task processing).

You can download any version of kernel from here
https://kernel.ubuntu.com/~kernel-ppa/mainline/

Latest Stable Kernel: 5.4.13 https://kernel.org

so we install kernel 5.4.13

cd /tmp/

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.13/linux-headers-5.4.13-050413_5.4.13-050413.202001171431_all.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.13/linux-headers-5.4.13-050413-generic_5.4.13-050413.202001171431_amd64.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.13/linux-image-unsigned-5.4.13-050413-generic_5.4.13-050413.202001171431_amd64.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.13/linux-modules-5.4.13-050413-generic_5.4.13-050413.202001171431_amd64.deb

sudo dpkg -i *.deb

if your Ubuntu version is old you may need to install additional dependency packages

You can search any missing packages here https://packages.ubuntu.com/search and get their download links and install using dpkg -i .deb