查看当前的内核版本:uname-r,输出示例:laggage@laplus:~$uname-r5.11.0-41-generic下载镜像安装包wget\kernel.ubuntu.com/~kernel-ppa/mainline/v4.12/linux-headers-4.12.0-041200_4.12.0-041200.201707022031_all.deb\kernel.ubuntu.com/~kernel-ppa/mainline/v4.12/linux-headers-4.12.0-041200-generic_4.12.0-041200.201707022031_amd64.de
