查看内核
- $ uname -rs
下载内核
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.40/ 下载内核升级文件
- linux-headers-4.4.40-040440_4.4.40-040440.201701060808_all
- linux-image-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64
- linux-headers-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64
安装内核
- $ sudo dpkg -i \
- linux-headers-4.4.40-040440_4.4.40-040440.201701060808_all \
- linux-image-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64 \
- linux-headers-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64
- $ sudo update-grub
- $ sudo reboot
验证是否安装成功
- $ uname -r

查看目前已安装内核版本
- $ sudo dpkg --get-selections |grep linux

删除多余内核