Go back to sysvinit while keeping systemd

Latest workaround:

Another workaround.
If I want systemd, see the workaround above.

If I want to use sysvinit, continue...

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This is June 2016. systemd is still not for me. My current workaround:

The command

aptitude install sysvinit-core init-select

Choose sysvinit.

What does the command do?

This helps me to use sysvinit instead. I could not boot or shut down properly with systemd. For shutting down and booting correctly, I use this workaround. I will try to test if the problem ceases to exist.

Time constraint

I don't have enough time to look for systemd issues and fixes. 

Not publicized
I don't know why this command above is not publicized here: (when a user wants to go back to sysvinit)

systemd - system and service manager
https://wiki.debian.org/systemd

No obvious choice when installing Debian

There is no option to choose between systemd and sysvinit when installing Debian Jessie.  (I don't know how to do this when installing.) I can hopefully switch after installing.

Remove systemd or not

This command below will cause packages that depend on systemd to stop working:

Some packages depend on systemd. (Sigh) I will not remove systemd by

apt-get remove --purge --auto-remove systemd

as seen here:

How to remove systemd from a Debian jessie/sid installation
http://without-systemd.org/wiki/index.php/How_to_remove_systemd_from_a_Debian_jessie/sid_installation

Now, I go back to sysvinit while keeping systemd. More testing continues.