Reprint address: http://blog.csdn.net/csdn_duomaomao/article/details/77668946
1. Check the system and kernel version command #Check the
release version number
cat /etc/issue
lsb_release -a #Check the
kernel version number
uname -sr
uname -a
Second, upgrade the kernel method #Go
to the Ubuntu website http://kernel.ubuntu.com/~kernel-ppa/mainline/ #Select
the required Ubuntu kernel version directory
#For example, the latest kernel version v4.12.9 directory (release date August 24, 2017)
#On the introduction page, select the kernel version according to the hardware architecture,
#X86 hardware architecture 64-bit operating system should choose AMD64 #Download
3 kernel deb installation files
wget http://kernel.ubuntu.com /~kernel-ppa/mainline/v4.12.9/linux-headers-4.12.9-041209_4.12.9-041209.201708242344_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12.9/ linux-headers-4.12.9-041209-generic_4.12.9-041209.201708242344_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12.9/linux-image-4.12.9-041209-generic_4.12.9-041209.201708242344_amd64.deb #Install the
kernel file
sudo dpkg -i *. deb #After
the installation is complete, restart the system and verify the kernel version
uname -sr