Ubuntu 16.04 kernel upgrade steps

1. Environment

Ubuntu 16.04 running on a virtual machine, use the command uname -r to view the current system kernel version

The current version is 4.15.0-45-generic

The kernel to be upgraded is 4.20.2

2. Prepare the necessary materials

Go to https://kernel.ubuntu.com/~kernel-ppa/mainline/ to download the kernel version to be upgraded

Select the corresponding file, mine is amd64

Use command to download (you can also download from the web page)

wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20.2/linux-headers-4.20.2-042002_4.20.2-042002.201901171620_all.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20.2/linux-headers-4.20.2-042002-generic_4.20.2-042002.201901171620_amd64.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20.2/linux-image-unsigned-4.20.2-042002-generic_4.20.2-042002.201901171620_amd64.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20.2/linux-modules-4.20.2-042002-generic_4.20.2-042002.201901171620_amd64.deb

3. Installation

Use the command sudo dpkg -i *.deb

After the installation is complete, restart the Ubuntu system and use the command uname -r to view the current version number.

Kernel upgrade successful.

4. Problems and Solutions

During the installation process

solve:
You need to install the package libssl1.1. Using the command directly will fail to install. You need to add the source. The update data of this package can only be updated from the source officially approved by Ubuntu.
Go to this website to view https://packages.ubuntu.com/bionic/libssl1.1
Choose the one that corresponds to your system

Add the official source to source.list,

Open the file using the command sudo vi /etc/apt/sources.list

Save and exit, update the source sudo apt-get update , then you can install libssl1.1, enter the command sudo apt-get install libssl1.1 in the terminal, and execute sudo dpkg -i *.deb again to install successfully.

5. Reference Website

https://www.linuxidc.com/Linux/2016-05/131481.htm

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