摘要：
1. 网上大多数用命令 sudo apt-get install linux-source，下载安装后，发现下载下来的源码版本与当前正使用的版本不一致；2. 参考https://wiki.ubuntu.com/Kernel/SourceCode The literal source code which generated a specific binary package may be obtained using theapt-getsourcecommand. For example to obtain the source for the currently running kern. 阅读全文
