make sure the systemd-sysv package is installed

[Zhoneym]

Notice: If your Linux distribution is Debian/Ubuntu/Kali Rolling, you should not only have installed the systemd package, but also make sure the systemd-sysv package is installed.

sudo apt-get update -y && sudo apt-get install systemd systemd-sysv -y

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[craigloewen-msft]

@Zhoneym why is this command needed? Ubuntu and Debian have working systemd installs out of the box, I'm not aware of users needing to run this command to get systemd working.

[Zhoneym]

@Zhoneym why is this command needed? Ubuntu and Debian have working systemd installs out of the box, I'm not aware of users needing to run this command to get systemd working.

@craigloewen-msft This command is not necessary for WSL2 distributions released on the Microsoft Store because the systemd-sysv package is pre installed in the official distribution. But for custom users, they usually need the debootstrap to generate rootfs (excluding the Linux kernel) and package them into tar files for archiving, and then import them into the wsl2 working environment through the wsl --import command. This makes the systemd-sysv package a mandatory installation, which is not only applicable to Debian or Ubuntu, but also to all various derivative distributions of Debian