zengkefu@server1:/usr/src$ uname -a
Linux server1 4.10.0-19-generic #21-Ubuntu SMP Thu Apr 6 17:04:57 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
查找源代码：
zengkefu@server1:/usr/src$ sudo apt-cache search linux-source
linux-source - Linux kernel source with Ubuntu patches
linux-source-4.10.0 - Linux kernel source for version 4.10.0 with Ubuntu patches
下载源代码
zengkefu@server1:/usr/src$ sudo apt-get install linux-source-4.10.0
解压源代码
cd /usr/src
sudo tar -jvxf linux-source-4.10.0.tar.bz2