“For a few years now, I have worked on a replacement for the
trusty old way of organising the Debian boot. Did you ever make a
package with an init.d script, and wonder which sequence number to
pick for your script? I am talking about the numbers in the file
names in /etc/rc[S0-6].d/. Or are you one of the lucky ones that
could just ask for the defaults, and ignore the problem? Picking a
good sequence number is very hard some times, for example when you
want to run after program Z started at sequence number 20 and
before program X also started sequence number 20…”