===== Debian replace systemd with runit ====
This is a useless draft, I am just curious about difficulty of implement another init on Debian.

==== Install it ====
<code>
sudo apt-get install runit-init
</code>

==== Set as init ====
Modify line of file /etc/grub.d/10_linux as follows:
<code>
SUPPORTED_INITS="sysvinit:/lib/sysvinit/init systemd:/lib/systemd/systemd upstart:/sbin/upstart runit:/sbin/runit"
</code>

Update grub2:
<code>
sudo update-grub2
</code>

==== Use it ====
Now you need to reboot the computer, so in Grub screen select **"Advanced options for Debian GNU/Linux"**, chose the option that have **"(runit)"**  at end.

==== Remove systemd ====
You really can't remove systemd from Debian =$, but you can remove packages as possible:
<code>
sudo apt-get remove --purge systemd
</code>

Update grub2:
<code>
sudo update-grub2
</code>

You will remain only with **libsystemd0** (almost on Debian 10).

==== Problems ====
I don't have any problem with the change... only the first boot took a lot of time, but the second one and following boots as normal... but is more slow than systemd in general speaking.