How to install the Linux kernel on Ubuntu 22.04 Detailed tutorial!

To install the Linux kernel on Ubuntu 22.04 you can follow the steps below:

1. Update system: First, make sure your Ubuntu system is up to date and execute the following command to update system packages:

sudo apt update
sudo apt upgrade

1. Download the kernel file: Visit the official Linux kernel website (

   ) Download the required kernel version. Select a stable version and download the source code file (with .tar.gz or .tar.xz extension), for example:

wget 

1. Unzip the file: Use the following command to unzip the downloaded kernel Source code file:

tar -xf linux-5.14.tar.xz

1. Install build dependencies: Install the tools and dependencies required to build the kernel. Execute the following command:

sudo apt install build-essential libncurses-dev bison flex libssl-dev libelf-dev

1. Configure the kernel: Enter the decompressed kernel source code directory and configure it using the default configuration file:

cd linux-5.14cp /boot/config-$(uname -r) .config

1. Compile the kernel: Execute the following command to compile the kernel:

make

1. Install the kernel: Execute the following command to install the compiled kernel:

sudo make install

1. Update boot: Update the bootloader to recognize the newly installed kernel. Execute the following command:

sudo update-grub

1. Restart the system: After completing the installation, restart the system to apply the new kernel:

sudo reboot

After the system restarts, Ubuntu will use the newly installed kernel version. You can verify the kernel version by running the following command:

uname -r

Please note that the above steps only cover the basic kernel installation process. Specific configuration and customization needs may require further understanding and adjustment. Before proceeding with a kernel update, make sure to carefully consider and evaluate the risks on the target system, and make sure to back up important data.

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