Canonical method to locally disable an init script?

[Thorsten Glaser]

On Mon, 23 Nov 2020, Lorenzo wrote:

> update-rc.d <initscriptname> disable

$ sudo /usr/sbin/update-rc.d -f rng-tools-debian disable
insserv: warning: current start runlevel(s) (empty) of script `rng-tools-debian' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `rng-tools-debian' overrides LSB defaults (0 1 6).
insserv: warning: current start runlevel(s) (empty) of script `rng-tools-debian' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `rng-tools-debian' overrides LSB defaults (0 1 6).

> should create KNNinitscriptname links in all runlevels (and remove
> SNNinitscriptname links)

It does.

> This way when you update the package your preference is preserved.

It does, indeed, but issues the same warnings again:


$ sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Starting pkgProblemResolver with broken count: 0
Starting 2 pkgProblemResolver with broken count: 0
Done
Calculating upgrade... Done
The following packages will be upgraded:
  rng-tools-debian
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 48.3 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 http://deb.debian.org/debian sid/main amd64 rng-tools-debian amd64 2.3 [48.3 kB]
Fetched 48.3 kB in 0s (618 kB/s)
apt-listchanges: Reading changelogs...
(Reading database ... 451826 files and directories currently installed.)
Preparing to unpack .../rng-tools-debian_2.3_amd64.deb ...
Unpacking rng-tools-debian (2.3) over (2.2) ...
Setting up rng-tools-debian (2.3) ...
Installing new version of config file /etc/init.d/rng-tools-debian ...
I: Trying to create /dev/hwrng device node
/run/udev or .udevdb or .udev presence implies active udev.  Aborting MAKEDEV invocation.
insserv: warning: current start runlevel(s) (empty) of script `rng-tools-debian' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `rng-tools-debian' overrides LSB defaults (0 1 6).
insserv: warning: current start runlevel(s) (empty) of script `rng-tools-debian' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `rng-tools-debian' overrides LSB defaults (0 1 6).
Processing triggers for man-db (2.9.3-2) ...
[master b6c8e1f] committing changes in /etc made by "apt-get dist-upgrade"
 Author: mirabilos <t.glaser at tarent.de>
 1 file changed, 1 insertion(+), 1 deletion(-)


Okay, so we’ve got a *working* way. Next questions here are:
• is this the “officially supported” way?
  ⇒ if so, why does it warn so loudly?

Thanks,
//mirabilos
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