How to Build Linux Kernel?

The procedure to build (compile) and install the latest Linux kernel from source is as follows:

• Grab the latest kernel from kernel.org.
• Verify kernel.
• Untar the kernel tarball.
• Copy existing Linux kernel config file.
• Compile and build Linux kernel 5.1.2.
• Install Linux kernel and modules (drivers)
• Update Grub configuration.

How do I build a Linux kernel from source?

How to Compile Linux Kernel from Source to Build Custom Kernel

1. Download the Latest Stable Kernel. The first step is to download the latest stable kernel from kernel.org.
2. Untar the Kernel Source. The second step is to untar the kernel source file for compilation.
3. Configure the Kernel.
4. Compile the Linux Kernel.
5. Install the New Kernel.
6. Boot Linux to the new Kernel.

How do you compile a kernel?

To compile the kernel and its modules, we use the make command. This is followed by using make modules_install to install the kernel modules. Finally, we use make install to copy the kernel and the .config file to the /boot folder and to generate the system.map file (which is a symbol table used by the kernel).