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From: Mark Phillips on 2 Oct 2009 13:20
I am running Debian testing on my computer. I am in the process of doing an
apt-get update/apt-get dist-upgrade.

I got this error message :

info: Checking if it is safe to convert to dependency based boot.
error: Unable to migrate to dependency based boot sequencing.
error: Problems detected: package bittorrent left obsolete init.d script
behind, package dovecot-common removed but not purged, package modutils
removed but not purged, package postfix removed but not purged, insserv:
warning: script 'K90wparoamd' missing LSB tags and overrides, insserv:
warning: script 'K01nxsensor' missing LSB tags and overrides, insserv:
warning: script 'K01nxserver' missing LSB tags and overrides, insserv:
warning: script 'S25libdevmapper1.02' missing LSB tags and overrides,
insserv: warning: script 'libdevmapper1.02' missing LSB tags and overrides,
insserv: warning: script 'wparoamd' missing LSB tags and overrides,
insserv: warning: script 'nxsensor' missing LSB tags and overrides,
insserv: warning: script 'nxserver' missing LSB tags and overrides,
grep: /var/lib/update-rc.d/*: No such file or directory

1. Can I resolve the first couple of problems with an apt-get purge
bittorrent dovecot-common......?

2. What does the missing LSB tags and overrides mean? What should I do about
them?

3. What is dependency based boot, and do I want it, need it? What do I do to
get it to work correctly?

Thanks!

Mark
From: joe on 2 Oct 2009 14:30
Mark Phillips wrote:
> I am running Debian testing on my computer. I am in the process of doing an
> apt-get update/apt-get dist-upgrade.
>
> I got this error message :
>
> info: Checking if it is safe to convert to dependency based boot.
> error: Unable to migrate to dependency based boot sequencing.
> error: Problems detected: package bittorrent left obsolete init.d script
> behind, package dovecot-common removed but not purged, package modutils
> removed but not purged, package postfix removed but not purged, insserv:
> warning: script 'K90wparoamd' missing LSB tags and overrides, insserv:
> warning: script 'K01nxsensor' missing LSB tags and overrides, insserv:
> warning: script 'K01nxserver' missing LSB tags and overrides, insserv:
> warning: script 'S25libdevmapper1.02' missing LSB tags and overrides,
> insserv: warning: script 'libdevmapper1.02' missing LSB tags and overrides,
> insserv: warning: script 'wparoamd' missing LSB tags and overrides,
> insserv: warning: script 'nxsensor' missing LSB tags and overrides,
> insserv: warning: script 'nxserver' missing LSB tags and overrides,
> grep: /var/lib/update-rc.d/*: No such file or directory
>
> 1. Can I resolve the first couple of problems with an apt-get purge
> bittorrent dovecot-common......?

Probably. I needed to purge a couple of items.
>
> 2. What does the missing LSB tags and overrides mean? What should I do about
> them?

Mostly, waiting will do it. You don't need to convert yet, so you might
as well wait for the package maintainers to fix them. You may wish to
raise bug reports if they don't already exist, but I suspect the work is
already under way. Have a look in other init scripts you already have
for examples.

While they're only warnings, and I don't think they will actually
prevent the new system working, there may be unexpected results if those
scripts are executed out of order, see below.

>
> 3. What is dependency based boot, and do I want it, need it? What do I do to
> get it to work correctly?
>
http://wiki.debian.org/LSBInitScripts/DependencyBasedBoot

That's the way things are going. There may be a bit of a problem if
you've stuck in some simple init scripts of your own in appropriate
places, as without those headers, they will be reordered. Effectively,
the rc.X scripts are rebuilt at every boot, on the basis of the contents
of the headers. I had a very simple cifs unmounting script which became
useless because of this, so I installed smb4k rather than learn how to
make the correct LSB headers in a hurry. Fully LSB-compliant scripts are
not trivial to make if you're not a systems programmer.

--
Joe


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From: Γιώργος Πάλλας on 2 Oct 2009 14:50
Mark Phillips wrote:
> I am running Debian testing on my computer. I am in the process of
> doing an apt-get update/apt-get dist-upgrade.
>
> I got this error message :
>
> info: Checking if it is safe to convert to dependency based boot.
> error: Unable to migrate to dependency based boot sequencing.
> error: Problems detected: package bittorrent left obsolete init.d
> script behind, package dovecot-common removed but not purged, package
> modutils removed but not purged, package postfix removed but not
> purged, insserv: warning: script 'K90wparoamd' missing LSB tags and
> overrides, insserv: warning: script 'K01nxsensor' missing LSB tags
> and overrides, insserv: warning: script 'K01nxserver' missing LSB
> tags and overrides, insserv: warning: script 'S25libdevmapper1.02'
> missing LSB tags and overrides, insserv: warning: script
> 'libdevmapper1.02' missing LSB tags and overrides, insserv: warning:
> script 'wparoamd' missing LSB tags and overrides, insserv: warning:
> script 'nxsensor' missing LSB tags and overrides, insserv: warning:
> script 'nxserver' missing LSB tags and overrides,
> grep: /var/lib/update-rc.d/*: No such file or directory
>
> 1. Can I resolve the first couple of problems with an apt-get purge
> bittorrent dovecot-common......?
>
> 2. What does the missing LSB tags and overrides mean? What should I do
> about them?
>
> 3. What is dependency based boot, and do I want it, need it? What do I
> do to get it to work correctly?
>
> Thanks!
>
> Mark

First of all, about warnings coming from packages removed but not
purged, you can issue a
aptitude purge ~c
and this will take care of this.

About libdevmapper1.02, I had today the same problem and I saw that I
had also installed a packet with a name libdevmapper1.02.1. So I purged
the old one libdevmapper1.02, and the init.d script (along with the
error it causes) went away.
About the other packages causing warnings, try purging them if you don't
need them.

Hope I helped a little...
G.
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