Upgrade_Linux_Kernel_Steps.md

Below steps to upgrade linux kernel on Ubuntu 20.04 from 5.4.0-97-generic to 5.4.0-100-generic

1. Check current linux kernel version

uname -msr

2. Install new version of kernel

sudo apt-get install linux-image-5.4.0-100-generic -y

3. Check installed kernel versions

grep menuentry /boot/grub/grub.cfg
sudo dpkg -l | grep ii | grep linux-image-[0-9].*-generic

4. Purge old kernel version

sudo apt-get purge linux-image-5.4.0-97-generic

5. Reboot the machine

su reboot

6. Check the kernel version

uname -msr