At the time of python update on ubuntu

update to python3.8 on ubuntu

sudo apt update
sudo apt install python3.8

After update, restart ubuntu.

sudo reboot

Then I got the following error ('ω')

System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down
Failed to talk to init daemon.

Shutdown command and reboot command are not supported on Ubuntu (?) So stop WSL from the command prompt.

First check the version of Ubuntu

cat /etc/issue

Then run the following at the command prompt

wsl -t Ubuntu XXXXX(version)

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