WSL 2 will not be installed yet? It's enough to read this article

One 、 Prerequisite

about 64 Bit system , If you want to install WSL 2, Need to meet OS Internal version ≥18362.

Press down win + R , Then input winver Check it out. OS Build of ：

It can be seen that our version number meets the requirements , So you can install .

Two 、 Enable for Linux Of Windows Subsystem

With Administrator status open Powershell, Then enter the following command ：

dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart

After the execution Don't turn it off yet window .

3、 ... and 、 Enable virtual machine

continue stay Powershell Type the command in the window ：

dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart

Close the window after execution , restart Computer .

Four 、 to update Linux kernel

First download Apply to x64 The computer WSL 2 Linux Kernel update package , Then double click to install .

If you are prompted to provide elevated permissions , choice “ yes ” To approve this installation .

5、 ... and 、 take WSL 2 Set as default version

With Administrators Identity open Powershell, Then enter the following command ：

wsl --set-default-version 2

6、 ... and 、 install Linux Distribution version ——Ubuntu

in fact Microsoft Store You can complete the installation in , But here we choose to install it manually , Because the manual installation has strong controllability .

some Linux Distribution and its download address ：

Linux Distribution version	Download
Ubuntu	https://aka.ms/wslubuntu
Ubuntu 20.04	https://aka.ms/wslubuntu2004
Ubuntu 18.04	https://aka.ms/wsl-ubuntu-1804
Debian GNU/Linux	https://aka.ms/wsl-debian-gnulinux
Kali Linux	https://aka.ms/wsl-kali-linux-new
Fedora Remix for WSL	https://github.com/WhitewaterFoundry/WSLFedoraRemix/releases/

Here we have Ubuntu 20.04 For example , When the download is complete , You'll get one called CanonicalGroupLimited.UbuntuonWindows_2004.2021.825.0.AppxBundle The file of . As can be seen from the suffix , It is associated with the Microsoft Store .

WSL 2 The essence of is virtual machine , The relevant files will be stored in the virtual disk （ Suffix named .vhdx）, The disk initially has more than one G, If installed later docker Wait for the software C The dish is unbearable , So we need to install it in other disks （ for example D disc ）.

Double click to download the good AppxBundle File to install , It will be installed by default to C disc . Here's the picture , Click Install directly ：

After installation , A pop-up window will pop up for us to set the user name and password （ Note that the password will not echo ）, Close the window after setting .

The next step is to migrate , We use Administrators Identity open Powershell window , Then input

wsl -l --all -v

To view the installed distributions .

Note that the name of our distribution is Ubuntu instead of Ubuntu-20.04.

Suppose we want to move to D disc , First, release the version as .tar The format is exported to D disc ：

wsl --export Ubuntu d:\wsl-ubuntu.tar

Then log out of the current release ：

wsl --unregister Ubuntu

Then re import and install WSL 2 stay D:\Ubuntu Next ：

wsl --import Ubuntu d:\Ubuntu d:\wsl-ubuntu.tar --version 2

Besides , You also need to set the user name of the default login user to the original user name ：

ubuntu config --default-user raelum

Finally delete .tar file

del d:\wsl-ubuntu.tar

7、 ... and 、 install Windows Terminal

stay Microsoft Store Search inside Windows Terminal And install ：

7.1 take Ubuntu The default running environment is （ Optional ）

take Ubuntu Setting as the default running environment means , When we start Windows Terminal Or click “+” No. when creating a new window , A new one will be created automatically Ubuntu The window of ：

Set by , First click the inverted triangle , Select settings from the pop-up drop-down list ：

Click the gear button again in the pop-up window to open settings.json file ：

We are profiles Of list Find below Ubuntu Corresponding guid :

then defaultProfile hinder guid Replace with this guid that will do ：

7.2 Set the startup directory to user HOME Catalog

WSL 2 The default startup directory is Windows User root ：C:\Users\<Username>, instead of Linux User's in the system HOME Catalog , So we need to be able to settings.json Make a change in .

in fact , Only need profiles Of list Find below Ubuntu, Then add a line ：

"startingDirectory": "//wsl$/<Ubuntu_name>/home/<username>"

that will do , among <Ubuntu_name> Is your Ubuntu The name of the distribution , The last save settings.json Even if the setting is completed .