Your Bugzilla buglist needs attention.

2011-01-09 Thread drift
[This e-mail has been automatically generated.]

You have one or more bugs assigned to you in the Bugzilla bug tracking system 
(http://bugs.skolelinux.org/) that require
attention.

All of these bugs are in the NEW or REOPENED state, and have not been
touched in 7 days or more.
You need to take a look at them, and decide on an initial action.

Generally, this means one of three things:

(1) You decide this bug is really quick to deal with (like, it's INVALID),
and so you get rid of it immediately.
(2) You decide the bug doesn't belong to you, and you reassign it to
someone else. (Hint: if you don't know who to reassign it to, make
sure that the Component field seems reasonable, and then use the
"Reassign bug to default assignee of selected component" option.)
(3) You decide the bug belongs to you, but you can't solve it this moment.
Just use the "Accept bug" command.

To get a list of all NEW/REOPENED bugs, you can use this URL (bookmark
it if you like!):
http://bugs.skolelinux.org/buglist.cgi?bug_status=NEW&bug_status=REOPENED&assigned_to=debian-...@lists.debian.org

Or, you can use the general query page, at 
http://bugs.skolelinux.org/query.cgi

Appended below are the individual URLs to get to all of your NEW bugs
that haven't been touched for a week or more.

You will get this message once a day until you've dealt with these bugs!

 installer ignores mirror/http/proxy preseeding
-> http://bugs.skolelinux.org/show_bug.cgi?id=1458
 ignores mirror/http/hostname preseed
-> http://bugs.skolelinux.org/show_bug.cgi?id=1459


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Re: DNS broken (was: NFS4 and Kerberos: A-records for same IP inflate the need for service principals)

2011-01-09 Thread Mike Gabriel

Hi Klaus, hi Andi,

On So 09 Jan 2011 22:04:46 CET Klaus Knopper wrote:


2) We drop powerDNS and give bind a try. This means merely installing
bind instead of powerDNS, appending a line to a configuration file and
touching another one [1]. Regarding the simplicity, it could also be
considered as an intermediate solution until we have something else.


I strongly support this option. IMHO, DNS data just does not belong into
LDAP. Bind is optimized to distribute DNS data with the most efficiency
and reliability, and "PowerDNS" may just add an additional layer of
abstraction that can introduce unwanted side effects like the one you
observed.

Btw, what was the reason to chose PowerDNS in Skolelinux as default,
anyways? Just to "have everything in LDAP"? There was surely a
discussion about this that I have missed.


for small customers I sometimes extract /etc/hosts files and  
dyndnsmasq configurations from LDAP via cron. (I am not throwing  
another dns service in the race, I am just pronouncing the benefits of  
LDAP2FILE syncs for DNS).


As DNS is a vital functionality (esp. with Kerberos) and LDAP _can_  
fail in production sometimes I think it very wise to have DNS based on  
files (and not on an available slapd service).


However, with a regular or hook-based ldap->bind9-sync (i.e. after  
modifications of the info stored in LDAP), one must make sure,  
that---in case slapd is offline or dysfunctional---the system does not  
end up with an empty bind9 DNS-zone configuration...


Greets,
Mike




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Re: DNS broken (was: NFS4 and Kerberos: A-records for same IP inflate the need for service principals)

2011-01-09 Thread Mike Gabriel

Hi Andi,

On So 09 Jan 2011 21:54:30 CET "Andreas B. Mundt" wrote:


2) We drop powerDNS and give bind a try. This means merely installing
bind instead of powerDNS, appending a line to a configuration file and
touching another one [1]. Regarding the simplicity, it could also be
considered as an intermediate solution until we have something else.


As I consider bind to be rock stable (personal experience) and very  
reliable (I use it as proxy as well as production domain name service)  
there is a


+1 from me

The simplicity of the change necessary you described speaks for itself...

Mike




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Re: DNS broken (was: NFS4 and Kerberos: A-records for same IP inflate the need for service principals)

2011-01-09 Thread Petter Reinholdtsen
[Andreas B. Mundt]
> So I conclude, that the current DNS setup, as a mixture of ldap
> objects prepared for bind with extra attributes to make powerDNS
> (sort of) work, is broken.

It is not quite as you expect it to be, but I would not go as far as
claiming it is broken.  It was broken and the installation failed
completely (DNS failed to look up any info in LDAP) after you replaced
the original powerdns tree with the gosa dns setup tree, but as you
have noticed, I adjusted the gosa tree to get it to work again with
powerdns.

The issues with the current setup is that there is a unused reverse
map in LDAP, and because we need several A records to point to
10.0.2.2 and we use powerdns in strict mode, we get several PTR
records from 10.0.2.2 pointing to the names we need A records for.
Nothing really serious so far, but the Kerberos requirements might
make these a bit more problematic.

> In addition, there is absolutely no use of GOsa with regard to DNS,
> as modifications are not accepted by GOsa with the added powerDNS
> attributes.

Unless we add our own gosa module (or adjust the existing module) for
updating DNS with the two extra attributes.  Should not be too hard.
I had a look at the source, and suspect it should be possible to get
working in a day or two.  Have not been able to find the two spare
days so far, but hope someone will in time for squeeze.

> With such a system, it's extremely hard to stay motivated, because
> you waist your time fixing things that are "known not to work
> properly" instead of really being able to test new things.

Yes, but I managed to stay motivated anyway, even if you broke the
installation by inserting a DNS LDAP tree that did not work with the
packages we install.  I hope you will manage the same, and keep up
your good work while testing changes and ensuring that the
installation keep working.

> I propose three choices: 
> 
> 1) We move powerDNS to its own tree (as before) and switch of the
> "systems"-stuff in GOsa. This means we don't have a GUI to make
> changes, but hopefully a working DNS again that doesn't block all
> other activities. 
> 
> 2) We drop powerDNS and give bind a try. This means merely installing
> bind instead of powerDNS, appending a line to a configuration file and
> touching another one [1]. Regarding the simplicity, it could also be
> considered as an intermediate solution until we have something else. 

Both these options have their own set of problems, and I would rather
see work done on this option:

> 3) Someone has time and volunteers to cooperate with Alejandro
> (http://lists.debian.org/debian-edu/2010/12/msg00117.html>) to
> implement powerDNS in GOsa properly. This should happen soon, because
> the current broken system only leads to frustration.

Part of the reason we went with powerdns is that it fetches
information directly from LDAP, so changes done to LDAP take effect
imediately.  A reason we moved the DNS from files to LDAP is to allow
dynamic updates of DNS information without having to edit other
packages conffiles to easy upgrades and stay within the Debian policy
requirements.  It is also the DNS server used by the Extremadura
installation, and we belive their claims that powerdns scale better.
They have >80 000 clients using powerdns.  The reason I switched
powerdns to strict mode was to make it easier to change the IP range
used.  We used the non-strict mode earlier, with separate forward and
reverse entries in LDAP.

The script /usr/share/debian-edu-config/tools/subnet-change in
debian-edu-config handle this transformation (changing the subnet)
already, but there are a few files in /etc/ left to edit and more
testing to be done before it is complete.  Also, I started to suspect
it would be better to adjust this during installation by adding a
filter to the LDAP loading process, and thus am unsure if the design
is the correct one.

I believe we should ensure that all of these features are kept when we
consider our DNS setup.  The bind setup uses regular dumps from LDAP
to files, thus adding a delay from DNS changes are done in LDAP to the
show up in DNS.  It also make it a lot more complex to change the
subnet used as both forward and reverse maps need to be rewritten, and
rewriting the reverse maps require moving LDAP subtrees to different
names.

As for NFS4 and Kerberos, we do not really want to authenticate hosts,
we want to authenticate users, to ensure home directory mounting also
work on the stateless diskless clients.  If we can't get this working,
we might have to look at other solutions for home directory mounting,
as we can't really drop the diskless workstation feature. :/

Happy hacking,
-- 
Petter Reinholdtsen


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Re: DNS broken (was: NFS4 and Kerberos: A-records for same IP inflate the need for service principals)

2011-01-09 Thread Klaus Knopper
On Sun, Jan 09, 2011 at 09:54:30PM +0100, Andreas B. Mundt wrote:
> concerning the strange results which I accused to multiple A-records,
> I found something new. I started to doubt our powerdns setup and
> modifying it in ldap got annoying, so I switched on to bind instead[1].  
>  
> After that, asking for DNS lookups changed. PowerDNS:
> 
> r...@tjener:~# host 10.0.2.2
> 2.2.0.10.in-addr.arpa domain name pointer tjener.intern.
> 2.2.0.10.in-addr.arpa domain name pointer kerberos.intern.
> 2.2.0.10.in-addr.arpa domain name pointer ldap.intern.
> 2.2.0.10.in-addr.arpa domain name pointer domain.intern.
> 2.2.0.10.in-addr.arpa domain name pointer postoffice.intern.
> 2.2.0.10.in-addr.arpa domain name pointer syslog.intern.
> 
> With bind:
> 
> r...@workstation01:~# host 10.0.2.2
> 2.2.0.10.in-addr.arpa domain name pointer tjener.intern.
> r...@workstation01:~# host ldap
> ldap.intern has address 10.0.2.2
> r...@workstation01:~# host www
> www.intern is an alias for tjener.intern.
> tjener.intern has address 10.0.2.2
> 
> As you see, ldap is an A-record as before (I double checked in
> /etc/bind/db.intern), however host 10.0.2.2 is resolved to only
> tjener. So I conclude, that the current DNS setup, as a mixture of ldap
> objects prepared for bind with extra attributes to make powerDNS (sort
> of) work, is broken. In addition, there is absolutely no use of GOsa
> with regard to DNS, as modifications are not accepted by GOsa with the
> added powerDNS attributes. 
> 
> With such a system, it's extremely hard to stay motivated, because you
> waist your time fixing things that are "known not to work properly"
> instead of really being able to test new things.
> 
> I propose three choices: 
> 
> 1) We move powerDNS to its own tree (as before) and switch of the
> "systems"-stuff in GOsa. This means we don't have a GUI to make
> changes, but hopefully a working DNS again that doesn't block all
> other activities. 
> 
> 2) We drop powerDNS and give bind a try. This means merely installing
> bind instead of powerDNS, appending a line to a configuration file and
> touching another one [1]. Regarding the simplicity, it could also be
> considered as an intermediate solution until we have something else. 

I strongly support this option. IMHO, DNS data just does not belong into
LDAP. Bind is optimized to distribute DNS data with the most efficiency
and reliability, and "PowerDNS" may just add an additional layer of
abstraction that can introduce unwanted side effects like the one you
observed. 

Btw, what was the reason to chose PowerDNS in Skolelinux as default,
anyways? Just to "have everything in LDAP"? There was surely a
discussion about this that I have missed. 

> 3) Someone has time and volunteers to cooperate with Alejandro
> (http://lists.debian.org/debian-edu/2010/12/msg00117.html>) to
> implement powerDNS in GOsa properly. This should happen soon, because
> the current broken system only leads to frustration.
> 
> So please comment on the issue. I think we should have other problems
> than wasting time getting adventurous powerDNS/bind combinations
> running, and the current situation is not acceptable.  

/me agrees

Regards
-Klaus


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DNS broken (was: NFS4 and Kerberos: A-records for same IP inflate the need for service principals)

2011-01-09 Thread Andreas B. Mundt
Hi again,

concerning the strange results which I accused to multiple A-records,
I found something new. I started to doubt our powerdns setup and
modifying it in ldap got annoying, so I switched on to bind instead[1].  
 
After that, asking for DNS lookups changed. PowerDNS:

r...@tjener:~# host 10.0.2.2
2.2.0.10.in-addr.arpa domain name pointer tjener.intern.
2.2.0.10.in-addr.arpa domain name pointer kerberos.intern.
2.2.0.10.in-addr.arpa domain name pointer ldap.intern.
2.2.0.10.in-addr.arpa domain name pointer domain.intern.
2.2.0.10.in-addr.arpa domain name pointer postoffice.intern.
2.2.0.10.in-addr.arpa domain name pointer syslog.intern.

With bind:

r...@workstation01:~# host 10.0.2.2
2.2.0.10.in-addr.arpa domain name pointer tjener.intern.
r...@workstation01:~# host ldap
ldap.intern has address 10.0.2.2
r...@workstation01:~# host www
www.intern is an alias for tjener.intern.
tjener.intern has address 10.0.2.2

As you see, ldap is an A-record as before (I double checked in
/etc/bind/db.intern), however host 10.0.2.2 is resolved to only
tjener. So I conclude, that the current DNS setup, as a mixture of ldap
objects prepared for bind with extra attributes to make powerDNS (sort
of) work, is broken. In addition, there is absolutely no use of GOsa
with regard to DNS, as modifications are not accepted by GOsa with the
added powerDNS attributes. 

With such a system, it's extremely hard to stay motivated, because you
waist your time fixing things that are "known not to work properly"
instead of really being able to test new things.

I propose three choices: 

1) We move powerDNS to its own tree (as before) and switch of the
"systems"-stuff in GOsa. This means we don't have a GUI to make
changes, but hopefully a working DNS again that doesn't block all
other activities. 

2) We drop powerDNS and give bind a try. This means merely installing
bind instead of powerDNS, appending a line to a configuration file and
touching another one [1]. Regarding the simplicity, it could also be
considered as an intermediate solution until we have something else. 

3) Someone has time and volunteers to cooperate with Alejandro
(http://lists.debian.org/debian-edu/2010/12/msg00117.html>) to
implement powerDNS in GOsa properly. This should happen soon, because
the current broken system only leads to frustration.

So please comment on the issue. I think we should have other problems
than wasting time getting adventurous powerDNS/bind combinations
running, and the current situation is not acceptable.  

Best regards,

 Andi



[1] It's almost nothing that has to be done to use bind with the
current setup:

aptitude install bind9
aptitude install ldap2zone

# bind configuration:
echo 'include "/etc/bind/named.conf.ldap2zone";' >> /etc/bind/named.conf.local
touch /etc/bind/named.conf.ldap2zone
ldap2bind

# check if anything makes sense:
less /etc/bind/db.intern
less /etc/bind/db.2.0.10.in-addr.arpa.



If anything is fine, switch off pdns (in /etc/default):

--- a/default/pdns-recursor
+++ b/default/pdns-recursor
@@ -1,5 +1,5 @@
 # Variables for PowerDNS recursor
 #
 # Set START to yes to start the pdns-recursor
-START=yes
+START=no

--- a/default/pdns
+++ b/default/pdns
@@ -1,5 +1,5 @@
# Variables for PowerDNS
#
# Whether you want to start PowerDNS automatically.
-START=yes
+START=no

http://lists.debian.org/debian-edu/2010/10/msg00209.html 


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Re: Testing changes to Debian Edu SVN

2011-01-09 Thread RalfGesellensetter
Am Sonntag, 9. Januar 2011 schrieb Andreas B. Mundt:
> What I do is rsyncing the DVD image. This happens usually in an
> acceptable time frame. 

cf. http://wiki.debian.org/DebianEdu/Download and

http://wiki.skolelinux.de/Lenny/DownLoad


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Developer meeting & confere nce Skolelinux-RLP in Zweibrücken/German y 10-13.02.2011

2011-01-09 Thread Klaus Knopper
Hello all,

Here comes the official invitation. :-)

This international developer meeting & conference is for us
(http://rp.skolelinux.de/) the final big event at the end of the 3 year
period in which we developed extensions, customization and installation
help as requested by our schools for Skolelinux in
Rheinland-Pfalz/Germany. Within these 3 years, the project goals,
prerequisites and participants have changed somewhat, many parts were
rewritten from scratch when we switched from etch to lenny, and some
plans had to be replaced by others.

Kurt Gramlich from Skolelinux-DE has already set up an overview page at
http://wiki.debian.org/DebianEdu/Zweibruecken2011, and the preliminary
conference program is now also available in an english translation at
http://wiki.debian.org/DebianEdu/Zweibruecken2011/Programm

As you can see in the schedule, on Day 2 (Friday), we give an overview
of the entire system for teachers and application managers of schools in
Rheinland-Pfalz, which will primarily be held in german language, but it
is also possible to conduct workshops in separate rooms during these
seminars. WLAN and LAN internet access is available to registered
participants.

Especially important to me personally, are the sessions on Saturday,
where we would like to discuss further cooperation and coordination of
development between Skolelinux-RLP and Skolelinux/international. Of
course we would like to keep our developments available to the community
beyond our projects official runtime, even if some of them may not be
possible to get integrated into DebianEdu directly, as was already
discussed on this list. It would be nice if some of the core people of
DebianEdu, not necessarily only developers, could find the time to
attend the meeting for some brainstorming about how we can keep the good
work up in both directions, local and international development.

We have existing-but-limited funding for supporting
flight&accommodation. Please register at the Wiki and let us know when
you will arrive, and if you need help with your travel.

With kind regards
-Klaus Knopper


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Developer Meeting in Zweibrücken // Re: LINBO & italc-rlp integration (Re: Gosa vs. CipUX)

2011-01-09 Thread RalfGesellensetter
Hi Klaus, hello everybody,

happy new year to you all!

Am Freitag, 7. Januar 2011 schrieb Klaus Knopper:
> Me, too. It would be great if some people who have the power to make it
> happen, could attend our developer meeting in February in
> Zweibrücken/Germany. More about this later.

I take this as an preliminary invitation - although I won't make it there.
As far as I can see, there is a wiki page to sign in:

http://wiki.debian.org/DebianEdu/Zweibruecken2011

The program needs translation (and to be integrated into the wiki page).

Please tell me if you need a hand with translation.

Kind regards
Ralf


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LINBO and Debian Edu / Skolelinux (Re: LINBO & italc-rlp integration (Re: Gosa vs. CipUX)

2011-01-09 Thread Holger Levsen
Hi,

a requirement to use LINBO in Debian Edu is that LINBO is in Debian. Something 
which builds 20 MB binary packages out of 1.2 GB sources will very very 
probably never be in Debian, so until this has changed, this aspect of the 
discussion is kind of useless ;-)
(Never say never though.)

Also, I think (and I have been dealing with such and other installers since 
>10 years) that image installers are technically inferior. Keeping them 
up2date is a lot of work which cannot really be automated, so it's also error 
prone. But foremost the biggest problem is, that noone really knows whats 
inside an image and how it was done.

And, we already have two installation systems in place: first, the normal d-i 
installer, with or without PXE, can be extended quite heavily with 
preseeding. Second, we have Gosa² and FAI. 

FAI is a package+script based installer so each installation is done from 
source, not from images, so changes are easy to do and redo (and thus to 
reproduce and change). 

Also a single machine installation from scratch (as FAI does) is not much 
slower than deploying a ready made image: ie. in 2007 a 2.6ghz system with 
2600 MB software was installed in 15min, installing 20 such systems only took 
17min in total!
An image installer might be faster for a single machine installation, but I 
bet (based on experience + knowing whats going on on the network...!) that 
it's slower for 20 installations in parallel. I'd like to get real numbers on 
this though ;) 
(I've got plenty of numbers on FAI installation speed, none on Linbo though.)

Gosa² allows to group machines into different FAI classes and supports 
installation _and updating_ existing machines.

And, FAI+Gosa² are available in Debian already.


cheers,
Holger


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Re: italc-rlp integration into Skolelinux (was: Re: LINBO & italc-rlp integration (Re: Gosa vs. CipUX))

2011-01-09 Thread Holger Levsen
Hi Patrick,

On Samstag, 8. Januar 2011, Patrick Winnertz wrote:
> A new italc version 1.0.13 is waiting for a upload as soon as squeeze is
> released. A upload before makes no sense. Squeeze has to live with the
> older version 1.0.9 .

great to hear that you're still working on italc! As Jonas said, I think an 
upload to experimental now would be a good thing :-)

Another question: do you plan to support italc in squeeze-backports?


cheers,
Holger


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Re: LINBO integration into Skolelinux (was Re: LINBO & italc-rlp integration (Re: Gosa vs. CipUX))

2011-01-09 Thread Holger Levsen
Hi,

On Sonntag, 9. Januar 2011, Christian Kuelker wrote:
> As far as I understood Alioth is dedicated to Debian specific
> software and packaging. Is Linbo Debian specific?
>
> @Holger: did the policy changed?

I never heard about that policy (so I dont know if and when it changed) and 
Tux4Kids is hosted on  tux4kids.alioth.debian.org since several years, incl. 
windows and macos builds.

The policy is described on the URL I gave in this thread.


cheers,
Holger


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Re: Testing changes to Debian Edu SVN

2011-01-09 Thread Andreas B. Mundt
Hi,

On Sun, Jan 09, 2011 at 12:15:34AM +0100, Mike Gabriel wrote:
> I have a question about testing Debian Edu squeeze, esp. changes to
> Debian Edu SVN that concern the installation process of Debian Edu.
> 
> Currently, if I want to test changes to Debian Edu, esp. the
> installation process, I have to download another daily built ISO
> (4.4G or 600M for the NETINST image) and re-install my system. This
> feels rather archaic... Is there a smarter way?
> 
> Hints and ideas are very welcome,
> Mike
> 

What I do is rsyncing the DVD image. This happens usually in an
acceptable time frame. 

However, the installation of a Workstation (especially with LTSP)
takes another couple of hours. Sooner or later we should perhaps think
about ways to reduce that, absolutely.
(http://lists.debian.org/debian-edu/2010/12/msg00139.html>)

Perhaps providing a base version without any educational packages as
install option? 

Another really good thing for testing: With the command:
etckeeper vcs diff
You can figure out what you changed when modifying the system (but no
ldap entries etc. of course).  

Cheers,

Andi
 


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Re: NFS4 and Kerberos

2011-01-09 Thread Philipp Huebner
On 08/01/11 23:41, Mike Gabriel wrote:
> On Sa 08 Jan 2011 01:22:35 CET "Andreas B. Mundt" wrote:
> 
>>> >Do you have access to a debian-edu setup? Maybe if you want to take a
>>> >look, try a virtual setup with virt-manager + KVM (rsync the DVD
>>> image):
>>> >http://wiki.debian.org/DebianEdu/HowTo/TestCDinstall>
>>> >You need about a 25GiB image for Tjener+LTSPserver.
> 
> Here is what I will do next:
[...]

Sounds good, just one hint from me (maybe you already know it):

http://www.kerberos-walkthrough.de/

Regards,
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Re: NFS4 and Kerberos (next steps)

2011-01-09 Thread Andreas B. Mundt
Hi Mike,

On Sat, Jan 08, 2011 at 11:41:42PM +0100, Mike Gabriel wrote:
[...]
> Here is what I will do next:
> 
> 1)
> 
>   o I have a Debian server setup in the cloud for my ,,company''
> with a working
> NFSv4+Kerberos server setup
>   o I have installed a Debian SID in the cloud today that I will integrate as
> NFSv4 client with sec=krb5p
>   o I will document all steps needed, this would be pure Debian then...

OK.
 
> 2)
> 
>   o I will install a squeeze TJENER and a squeeze Debian Edu client and I will
> take a look at the NFSv4+Kerberos setup in particular
>   o I will test the already present NFSv4 and Kerberos stuff (not for all
> services, only for the core stuff: PAM, libnss, autofs, ...)
>   o I will try to manually configure the steps needed for finishing what might
> be missing and document those.
>   o I will also post aspects that I would approach differently

Great!

> Concerning NFSv4+Krb5 I would like to focus on the basic service
> level for now and I will add test modifications to LDAP by hand. If
> the needed fixes and modifications or extensions and the workflow
> during installation starts cristalizing out I think then we should
> take a look at Gosa and maybe CipUX integration.
> 
> Does this make sense? Any other suggestions/recommendations/preferences?
 
That's fantastic news! Let me just add what I did so far to give
you another idea of the status here:

I played a bit with the system yesterday. Beside the commited changes
I tested the kerberized services ldap (ldapwhoami -Y GSSAPI), exim and
dovecot (by sending/receiving mail). They still seem to work, at least
on tjener itself: I got a ldap/tjener.intern, smtp/tjener.intern and
imap/tjener.intern service ticket. I was also able to mount the NFS4
share with krb5p enabled (by adding "tjener:/ /mnt nfs4 user,sec=krb5p
0 0" to fstab and doing the usual manual mount as unprivileged user). 
Great stuff: The directory is mounted (service no ticket yet), but as
soon as I access it, the nfs/tjener.intern ticket is there :).

After that, I thought how to improve adding machines in GOsa, it would
be good to find the MAC of new machines automatically. This is
implemented in gosa-si (with a service daemon (?)), but we do not have
that in Debian yet. However, the sitesummary program also collects
information about the machines in the net
(see /var/lib/sitesummary/entries/), and perhaps it's possible to use
that (I guess with gosa-si there is a ou=incomming in ldap which can
be used, but if we want to do something like that perhaps let's better
ask the GOsa people how it is intended to work.)

Ok. I'm just installing a workstation to check if things work there
too. 

Happy testing,
best regards,

 Andi


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