Ubuntu16.04 升级内核至4.8

可以手动从如下地址下载 .deb 包：

下载Linux Kernel 4.8

根据你的 Ubuntu 16.04 系统架构下载相应的软件包（i386 – 32 位或 amd64 – 64 位）：
linux-headers-4.8.0-xxx_all.deb
linux-headers-4.8.0-xxx-generic_xxx_i386/amd64.deb
linux-image-4.8.0-xxx-generic_xxx_i386/amd64.deb

对于低延迟系统（例如录制音频）使用如下软件包：
linux-headers-4.8.0-xxx_all.deb
linux-headers-4.8.0-xxx-lowlatency_xxx_i386/amd64.deb
linux-image-4.8.0-xxx-lowlatency_xxx_i386/amd64.deb

你也可以在终端中执行如下命令进行 Linux Kernel 4.8 升级：

cd /tmp
sudo mkdir mydebs
cd /tmp/mydebs

amd64位机器

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8/linux-headers-4.8.0-040800_4.8.0-040800.201610022031_all.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8/linux-headers-4.8.0-040800-generic_4.8.0-040800.201610022031_amd64.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8/linux-image-4.8.0-040800-generic_4.8.0-040800.201610022031_amd64.deb[/code] 32位机器

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8/linux-headers-4.8.0-040800_4.8.0-040800.201610022031_all.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8/linux-headers-4.8.0-040800-generic_4.8.0-040800.201610022031_i386.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8/linux-image-4.8.0-040800-generic_4.8.0-040800.201610022031_i386.deb
下载完成之后，使用dpkg命令安装所有.deb包
sudo dpkg -i *.deb