The latest change ubuntu kernel

1. Https://www.kernel.org to view the latest stable kernel version

2. Open https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.6/ (assuming that the latest version is 5.4.6)

   Build for amd64 succeeded (see BUILD.LOG.amd64):
   linux-headers-5.4.6-050406_5.4.6-050406.201912211140_all.deb
   linux-headers-5.4.6-050406-generic_5.4.6-050406.201912211140_amd64.deb
   linux-headers-5.4.6-050406-lowlatency_5.4.6-050406.201912211140_amd64.deb
   linux-image-unsigned-5.4.6-050406-generic_5.4.6-050406.201912211140_amd64.deb
   linux-image-unsigned-5.4.6-050406-lowlatency_5.4.6-050406.201912211140_amd64.deb
   linux-modules-5.4.6-050406-generic_5.4.6-050406.201912211140_amd64.deb
   linux-modules-5.4.6-050406-lowlatency_5.4.6-050406.201912211140_amd64.deb

3. wget to download the package name in no lowlatency deb package, sudo dpkg -i *** deb and then click Install:

   linux-headers-5.4.6-050406_5.4.6-050406.201912211140_all.deb
   linux-headers-5.4.6-050406-generic_5.4.6-050406.201912211140_amd64.deb
   linux-modules-5.4.6-050406-generic_5.4.6-050406.201912211140_amd64.deb
   linux-image-unsigned-5.4.6-050406-generic_5.4.6-050406.201912211140_amd64.deb

4. Viewing the kernel is installed

   dpkg -l|grep linux-image | awk '{print $2}'

5. Delete the old kernel

   apt purge -y 

6. Update and then restart grub

   update-grub
   reboot

7. Check whether the replacement is successful

   uname -r