How do I confirm that there are no certs left behind and that cert-monger
isn't tracking them? I'm a bit new to all the components used by IPA. I do
see that the /root/cacert.p12 file is never deleted.
After an uninstall, I see this:
Number of certificates and requests being tracked: 0.
process 31282: arguments to dbus_message_new_method_call() were incorrect,
assertion "path != NULL" failed in file dbus-message.c line 1262.
This is normally a bug in some application using the D-Bus library.
D-Bus not built with -rdynamic so unable to print a backtrace
Aborted (core dumped)
I ran a few more tests, and I have had partial success with some
configurations. Here's what I found:
1) The install-uninstall-install sequence definitely seems to be broken (at
least for my configuration), and should be reproducible fairly easily. I
would like to reproduce this consistently in a docker image/vm, but docker
is apparently not supported on satellite subscribed RHEL systems. The only
variable in the system is dns(external) and the choice of ipa domain name.
The ipa server setup was pretty stock with no integrated dns. I don't know
if some ipa domain names are preferred over others, but I feel that it
shouldn't affect the client on the server at least.
2) I had some success with reboots. i.e. After the last install, rebooting
the computer solves the problem for some cases at least. I am not sure if
it is a general solution. I think it's also related to the choice of the
domain name. The reboot trick doesn't help if the ipa domain name is the
one derived from hostname. It did work for a random domain name though.
3) I need to understand how important the IPA domain name is. Should the
ipa domain name be related to the hostname of the server (as suggested by
the script)? What happens if someone else has another ipa server with the
same domain name on the network? Also, what happens if there is another NIS
server with the same domain name on the network? And lastly, what if the
ipa server is setup on an existing NIS server or an NIS client ? I have
tried a lot of permutations, and I have a feeling that this problem is
somehow tied to the name resolution, and domain names, with external dns
servers possibly playing a part.
I'll post the logs if I can't make progress.
On Wed, Mar 18, 2015 at 3:12 PM, Dmitri Pal <d...@redhat.com> wrote:
> On 03/17/2015 02:54 PM, Prasun Gera wrote:
> Sorry, the message got sent accidentally earlier before I could provide
> all the details.
> Version: 4.1.0 on RHEL 7.1 x86_64
> 1. ipa-server-install
> 2. service sshd restart
> 3. kinit admin <- This always works
> 4. ssh admin@localhost <- This works for the first time,
> fails second time onwards
> ssh admin@host_addr from external system <- This also works the
> first time, fails second time onwards
> 5. ipa-server-install --uninstall
> 6. go to 1
> The log messages in /var/log/messages point to [sssd[krb5_child]]:
> Decrypt integrity check failed at the point of the authentication failure
> sssd's log's have a lot of "No matching domain found for user" messages.
> /var/log/krb5kdc.log has a lot of error decoding FAST: <unknown client>
> for <unknown server>, Decrypt integrity check failed while handling
> ap-request armor
> The only ERROR I can see in /var/log/ipaserver-uninstall.log is
> pkidestroy : ERROR ....... subprocess.CalledProcessError: Command
> '['/usr/bin/sslget', '-n', 'subsystemCert cert-pki-ca', ......returned
> non-zero exit status 6!
> It appears that the uninstall process is leaving some residual
> configuration behind which is conflicting with the subsequent installation
> with the same domain name
> SSSD and certificate issues with re-install would be unrelated.
> Let us start over. Remove IPA, try it several times, it helps sometimes as
> it moves forward and cleans more on each attempt. Make sure there are no
> certs left and certmonger is not tracking anything.
> If you still experience issues with SSSD, add debug_level=10 to sssd
> configuration in the domain section, restart sssd and send the sanitized
> logs for the failed attempts.
> On Tue, Mar 17, 2015 at 2:41 PM, Prasun Gera <prasun.g...@gmail.com>
>> I installed the ipa-server on an RHEL 7.1 system, uninstalled it and
>> reinstalled it with the same domain name as the first time. This somehow
>> creates problems with ssh authentication on the server from external
>> systems as well as from the server itself.
>> 1. ipa-server-install
>> 2. service sshd restart
>> 3. kinit admin
>> 4. ssh admin@localhost
> Thank you,
> Dmitri Pal
> Sr. Engineering Manager IdM portfolio
> Red Hat, Inc.
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