0x4248 wiki

A collection of guides and tutorials for various topics that I have written.

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Kernel

The kennel is one of the most core parts of the Linux operating system. The Linux kernel is open source and is developed by the Linux Foundation.

Building

To build the Linux kernel, you will need to have the kernel source code. You can download the source code from the Linux kernel archives. Once you have the source code, you can build the kernel using the following commands:

make defconfig

This will create a default configuration file for the kernel. You can then customize the configuration using the make menuconfig command. Once you have configured the kernel, you can build it using the following command:

make -j$(nproc)

WARNING:

The -j$(nproc) flag tells the make command to use all available CPU cores to build the kernel. This can speed up the build process significantly, but it can also cause your system to become unresponsive if you have a lot of CPU-intensive tasks running at the same time.

After the kernel has been built, you can install it using the following command:

DANGER:

Always backup your system before installing a new kernel. This may brick your system. You can always copy your old kernel to a safe location and restore it in a chroot environment.

sudo make modules_install install