On Sun, 13 Dec 2020 07:17:15 +0100 (CET) Thorsten Glaser <t.gla...@tarent.de> wrote:
> > root@angst:/etc# apt-get install --reinstall bind9 > […] > > It warned that they were different from the LSB headers in the init > > script. Because they were different. And that could be any of the > > possible differences. But it did not reset them. > > > > root@angst:/etc# find /etc/rc?.d -name '*bind9' > > /etc/rc0.d/K04bind9 > > /etc/rc1.d/K04bind9 > > /etc/rc2.d/K04bind9 > > /etc/rc3.d/K04bind9 > > /etc/rc4.d/K04bind9 > > root@angst:/etc# find /etc/rc?.d -name '*bind9' > > /etc/rc0.d/K04bind9 > > /etc/rc1.d/K04bind9 > > /etc/rc2.d/S03bind9 > > /etc/rc3.d/S03bind9 > > /etc/rc4.d/S03bind9 > > /etc/rc5.d/S03bind9 > > /etc/rc6.d/K04bind9 > > Yes, and that MUST NOT happen. That is an expected behavior > > > Removing the S* links instead of disabling them with a K* link. But > > leaving the K* links so it is an installed configuration. Then > > If the local administrator actively disables an init script, e.g. by > update-rc.d remove, it MUST NOT be re-added later. (This MIGHT require > insserv and update-rc.d to coordinate on “manually removed” state, but > this state MUST NOT be the presence of ANY symlinks for that script.) > with update-rc.d remove you are not disabling the service, you are purging it while it's still installed. The only way supported in update-rc.d to disable a service is update-rc.d disable > Rationale: > > Disabling an init script is *not* the same as leaving a K link… > because a K link will attempt to stop the service if manually started. > This MUST NOT happen. This is interesting: could you please write the exact sequence that cause a manually started service to be stopped when there is a K link in the current runlevel? (if you already have please post again so that I'm sure) You are upgrading the package or you are switching runlevels? > > Considering raising severity on this as disabling with update-rc.d > remove does not work and disabling with update-rc.d disable wrongly > leaves any K links around which causes unrelated software, that is, a > manually started service, to be broken, that is, stopped. > > I just had this happen, so it isn’t an academic mind exercise. > > bye, > //mirabilos I suspect what you want is a new feature in update-rc.d, but it depends on your answer to my question above. Lorenzo
