先查看內(nèi)核版本

oldboy@oldboy:/usr/src/linux-source-4.15.0$ uname -a
Linux oldboy 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

下載對應版本kernel源碼

sudo apt install linux-source-4.15.0

下載后的代碼路徑/usr/src/linux-source-4.15.0.tar.bz2
解壓縮并進入源碼目錄：

sudo tar jvxf linux-source-4.15.0.tar.bz2
cd linux-source-4.15.0

安裝kernel編譯工具

sudo apt install kernel-package
sudo apt install libelf-dev
sudo apt install libssl-dev

編譯

sudo make oldconfig
sudo make
sudo make modules
sudo make modules_install