Linux 内核编译(Ubuntu 环境)

下载内核代码

https://www.kernel.org/

安装依赖

sudo apt update
sudo apt install -y \
	gcc \
	make \
	libncurses5-dev \
	openssl \
	libssl-dev \
	build-essential \
	pkg-config \
	libc6-dev \
	bison \
	flex \
	libelf-dev

准备.config和自定义配置

cd {Download}/linux-5.4.32/
sudo cp /boot/config-{uname -r} .config
sudo make menuconfig

编译内核

# 编译内核
sudo make
sudo make modules_install

安装内核

sudo mv  {Download}/linux-5.4.32  /usr/src/
cd /usr/src/linux-5.4.32/
sudo make install
sudo mkinitramfs -o /boot/initrd.img-5.4.32
sudo update-initramfs -c -k 5.4.32
sudo update-grub2

验证

sudo reboot
uname -a