Cannot login after yum update

[Stephen Pusey]

I am not sure if this is the right forum - but would appreciate help.  I did a yum update
on November 1st using a development  Fedora 8.  After this I rebooted the machine (a
leased server) and could not ssh as root.  I could access the site via webmin and by
"re-enabling" the users I could then start ssh and other services.  I then
rebooted and found that I could not login with either ssh or with webmin.  I currently
have the server mounted through a gentoo CD.  However, I am stumped.  I think the issue
may be with pamd - but everything looks fine.  I also suspect xinetd.  Looking at the
messages logs I see a EXT-fs check was forced on the disk on a reboot.  I have also run
e2fsck from the cdrom on the unmounted disk and it is clean.
Below I attach a list of what yum did.  and also a tail of the secure log as well as
messages log.

I would be grateful for your advice.

yum.log
------
Nov 01 22:20:52 Updated: logrotate.i386 3.7.6-1.3.fc8
Nov 01 22:20:53 Updated: rpm.i386 4.4.2.2-3.fc8
Nov 01 22:20:54 Updated: perl-Digest-SHA1.i386 2.11-4.fc8
Nov 01 22:20:54 Installed: dbus-libs.i386 1.1.2-7.fc8
Nov 01 22:20:54 Updated: perl-Digest-HMAC.noarch 1.01-16
Nov 01 22:20:55 Updated: perl-Net-SSLeay.i386 1.30-5.fc8.1
Nov 01 22:20:55 Updated: openldap.i386 2.3.38-3.fc8
Nov 01 22:20:55 Updated: perl-URI.noarch 1.35-3.1
Nov 01 22:20:56 Updated: perl-Net-IP.noarch 1.25-4.fc8
Nov 01 22:20:56 Updated: perl-Net-DNS.i386 0.61-1.fc8
Nov 01 22:20:57 Updated: dbus.i386 1.1.2-7.fc8
Nov 01 22:20:57 Updated: ConsoleKit-libs.i386 0.2.3-1.fc8
Nov 01 22:20:59 Installed: util-linux-ng.i386 2.13-3.fc8
Nov 01 22:21:00 Updated: gnupg.i386 1.4.7-7
Nov 01 22:21:01 Updated: perl-IO-Socket-SSL.noarch 1.02-1.fc8.1
Nov 01 22:21:01 Updated: rsyslog.i386 1.19.6-3.fc8
Nov 01 22:21:02 Installed: sysvinit.i386 2.86-18
Nov 01 22:21:03 Updated: module-init-tools.i386 3.4-2.fc8
Nov 01 22:21:10 Updated: initscripts.i386 8.60-1
Nov 01 22:21:19 Updated: udev.i386 116-3.fc8
Nov 01 22:21:19 Installed: perl-IO-Compress-Base.noarch 2.005-2.fc8
Nov 01 22:21:19 Updated: perl-Socket6.i386 0.19-4.fc8.1
Nov 01 22:21:20 Updated: perl-IO-Socket-INET6.noarch 2.51-2.fc8.1
Nov 01 22:21:20 Installed: perl-Compress-Raw-Zlib.i386 2.005-3.fc8
Nov 01 22:21:20 Updated: perl-HTML-Tagset.noarch 3.10-6.fc8
Nov 01 22:21:20 Updated: perl-HTML-Parser.i386 3.56-2.fc8
Nov 01 22:21:21 Updated: perl-libs.i386 4:5.8.8-30.fc8
Nov 01 22:21:21 Installed: perl-IO-Compress-Zlib.noarch 2.005-2.fc8
Nov 01 22:21:22 Updated: perl-Compress-Zlib.noarch 2.005-2.fc8
Nov 01 22:21:22 Updated: perl-IO-Zlib.noarch 1.07-1
Nov 01 22:21:22 Updated: perl-Archive-Tar.noarch 1.34-1.fc8
Nov 01 22:21:23 Updated: perl-libwww-perl.noarch 5.808-3.fc8
Nov 01 22:21:23 Updated: mcstrans.i386 0.2.7-1.fc8
Nov 01 22:21:26 Updated: python.i386 2.5.1-15.fc8
Nov 01 22:21:26 Updated: python-libs.i386 2.5.1-15.fc8
Nov 01 22:21:27 Updated: perl-Test-Harness.i386 2.56-30.fc8
Nov 01 22:21:27 Updated: yum-metadata-parser.i386 1.1.2-1.fc8
Nov 01 22:21:27 Updated: rpm-python.i386 4.4.2.2-3.fc8
Nov 01 22:21:27 Updated: python-urlgrabber.noarch 3.0.0-3.fc8
Nov 01 22:21:28 Installed: python-iniparse.noarch 0.2.2-1.fc8
Nov 01 22:21:28 Updated: yum.noarch 3.2.7-1.fc8
Nov 01 22:21:29 Updated: libxml2-python.i386 2.6.30-1
Nov 01 22:21:29 Updated: perl-devel.i386 4:5.8.8-30.fc8
Nov 01 22:21:30 Updated: perl-ExtUtils-MakeMaker.i386 6.30-30.fc8
Nov 01 22:21:30 Updated: perl-ExtUtils-Embed.i386 1.26-30.fc8
Nov 01 22:21:30 Updated: perl-CPAN.i386 1.76_02-30.fc8
Nov 01 22:21:32 Updated: spamassassin.i386 3.2.3-2.fc8
Nov 01 22:21:32 Updated: perl-Test-Simple.i386 0.62-30.fc8
Nov 01 22:21:56 Erased: SysVinit
Nov 01 22:22:04 Erased: util-linux

----
secure log
------------
Nov  4 13:17:43 server login: FAILED LOGIN 1 FROM (null) FOR root, User not known to the
underlying authentication module
Nov  4 13:18:08 server login: pam_unix(login:auth): check pass; user unknown
Nov  4 13:18:08 server login: pam_succeed_if(login:auth): error retrieving information
about user root
Nov  4 13:18:10 server login: FAILED LOGIN 2 FROM (null) FOR root, User not known to the
underlying authentication module
Nov  4 13:18:18 server login: pam_unix(login:auth): check pass; user unknown
Nov  4 13:18:18 server login: pam_succeed_if(login:auth): error retrieving information
about user root
Nov  4 13:18:20 server login: FAILED LOGIN 3 FROM (null) FOR root, User not known to the
underlying authentication module

-----------
tail of messages log
---------------------
Nov  4 13:37:59 server xinetd[1265]: Unable to read included directory: /etc/xinetd.d
[file=/etc/xinetd.conf] [line=49]
Nov  4 13:37:59 server xinetd[1265]: xinetd Version 2.3.14 started with libwrap loadavg
labeled-networking options compiled in
Nov  4 13:37:59 server xinetd[1265]: Started working: 0 available services
Nov  4 13:39:09 server atd: Cannot get uid for root: Unknown error 530



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[Sam Varshavchik]

Stephen Pusey writes:

>  I am not sure if this is the right forum - but would appreciate
> help.  I 
>  did a yum update on November 1st using a development  Fedora 8.  After 
>  this I rebooted the machine (a leased server) and could not ssh as root.  
>  I could access the site via webmin and by "re-enabling" the users I could 
>  then start ssh and other services.  I then rebooted and found that I could 
>  not login with either ssh or with webmin.  I currently have the server 
>  mounted through a gentoo CD.  However, I am stumped.  I think the issue 
>  may be with pamd - but everything looks fine.  I also suspect xinetd.  
>  Looking at the messages logs I see a EXT-fs check was forced on the disk 
>  on a reboot. 
That indicates that the disk was corrupted. You're boned.

There's no real way to determine what ended up being broken, without doing a 
more complete, detailed analysis. There could be any number of hundreds of 
differents reasons why your system is screwed up.

The easiest thing to do is to just reinstall.

[Tod Merley]

On Nov 4, 2007 5:05 PM, Stephen Pusey <stephenpusey(a)hotmail.com&gt; wrote:
>   I am not sure if this is the right forum - but would appreciate help.  I
>  did a yum update on November 1st using a development  Fedora 8.  After this
>  I rebooted the machine (a leased server) and could not ssh as root.  I could
>  access the site via webmin and by "re-enabling" the users I could then start
>  ssh and other services.  I then rebooted and found that I could not login
>  with either ssh or with webmin.  I currently have the server mounted through
>  a gentoo CD.  However, I am stumped.  I think the issue may be with pamd -
>  but everything looks fine.  I also suspect xinetd.  Looking at the messages
>  logs I see a EXT-fs check was forced on the disk on a reboot.  I have also
>  run e2fsck from the cdrom on the unmounted disk and it is clean.
>  Below I attach a list of what yum did.  and also a tail of the secure log as
>  well as messages log.
>
>  I would be grateful for your advice.
>
>  yum.log
>  ------
>  Nov 01 22:20:52 Updated: logrotate.i386 3.7.6-1.3.fc8
>  Nov 01 22:20:53 Updated: rpm.i386 4.4.2.2-3.fc8
>  Nov 01 22:20:54 Updated: perl-Digest-SHA1.i386 2.11-4.fc8
>  Nov 01 22:20:54 Installed: dbus-libs.i386 1.1.2-7.fc8
>  Nov 01 22:20:54 Updated: perl-Digest-HMAC.noarch 1.01-16
>  Nov 01 22:20:55 Updated: perl-Net-SSLeay.i386 1.30-5.fc8.1
>  Nov 01 22:20:55 Updated: openldap.i386 2.3.38-3.fc8
>  Nov 01 22:20:55 Updated: perl-URI.noarch 1.35-3.1
>  Nov 01 22:20:56 Updated: perl-Net-IP.noarch 1.25-4.fc8
>  Nov 01 22:20:56 Updated: perl-Net-DNS.i386 0.61-1.fc8
>  Nov 01 22:20:57 Updated: dbus.i386 1.1.2-7.fc8
>  Nov 01 22:20:57 Updated: ConsoleKit-libs.i386 0.2.3-1.fc8
>  Nov 01 22:20:59 Installed: util-linux-ng.i386 2.13-3.fc8
>  Nov 01 22:21:00 Updated: gnupg.i386 1.4.7-7
>  Nov 01 22:21:01 Updated: perl-IO-Socket-SSL.noarch 1.02-1.fc8.1
>  Nov 01 22:21:01 Updated: rsyslog.i386 1.19.6-3.fc8
>  Nov 01 22:21:02 Installed: sysvinit.i386 2.86-18
>  Nov 01 22:21:03 Updated: module-init-tools.i386 3.4-2.fc8
>  Nov 01 22:21:10 Updated: initscripts.i386 8.60-1
>  Nov 01 22:21:19 Updated: udev.i386 116-3.fc8
>  Nov 01 22:21:19 Installed: perl-IO-Compress-Base.noarch 2.005-2.fc8
>  Nov 01 22:21:19 Updated: perl-Socket6.i386 0.19-4.fc8.1
>  Nov 01 22:21:20 Updated: perl-IO-Socket-INET6.noarch 2.51-2.fc8.1
>  Nov 01 22:21:20 Installed: perl-Compress-Raw-Zlib.i386 2.005-3.fc8
>  Nov 01 22:21:20 Updated: perl-HTML-Tagset.noarch 3.10-6.fc8
>  Nov 01 22:21:20 Updated: perl-HTML-Parser.i386 3.56-2.fc8
>  Nov 01 22:21:21 Updated: perl-libs.i386 4:5.8.8-30.fc8
>  Nov 01 22:21:21 Installed: perl-IO-Compress-Zlib.noarch 2.005-2.fc8
>  Nov 01 22:21:22 Updated: perl-Compress-Zlib.noarch 2.005-2.fc8
>  Nov 01 22:21:22 Updated: perl-IO-Zlib.noarch 1.07-1
>  Nov 01 22:21:22 Updated: perl-Archive-Tar.noarch 1.34-1.fc8
>  Nov 01 22:21:23 Updated: perl-libwww-perl.noarch 5.808-3.fc8
>  Nov 01 22:21:23 Updated: mcstrans.i386 0.2.7-1.fc8
>  Nov 01 22:21:26 Updated: python.i386 2.5.1-15.fc8
>  Nov 01 22:21:26 Updated: python-libs.i386 2.5.1-15.fc8
>  Nov 01 22:21:27 Updated: perl-Test-Harness.i386 2.56-30.fc8
>  Nov 01 22:21:27 Updated: yum-metadata-parser.i386 1.1.2-1.fc8
>  Nov 01 22:21:27 Updated: rpm-python.i386 4.4.2.2-3.fc8
>  Nov 01 22:21:27 Updated: python-urlgrabber.noarch 3.0.0-3.fc8
>  Nov 01 22:21:28 Installed: python-iniparse.noarch 0.2.2-1.fc8
>  Nov 01 22:21:28 Updated: yum.noarch 3.2.7-1.fc8
>  Nov 01 22:21:29 Updated: libxml2-python.i386 2.6.30-1
>  Nov 01 22:21:29 Updated: perl-devel.i386 4:5.8.8-30.fc8
>  Nov 01 22:21:30 Updated: perl-ExtUtils-MakeMaker.i386 6.30-30.fc8
>  Nov 01 22:21:30 Updated: perl-ExtUtils-Embed.i386 1.26-30.fc8
>  Nov 01 22:21:30 Updated: perl-CPAN.i386 1.76_02-30.fc8
>  Nov 01 22:21:32 Updated: spamassassin.i386 3.2.3-2.fc8
>  Nov 01 22:21:32 Updated: perl-Test-Simple.i386 0.62-30.fc8
>  Nov 01 22:21:56 Erased: SysVinit
>  Nov 01 22:22:04 Erased: util-linux
>
>  ----
>  secure log
>  ------------
>  Nov  4 13:17:43 server login: FAILED LOGIN 1 FROM (null) FOR root, User not
>  known to the underlying authentication module
>  Nov  4 13:18:08 server login: pam_unix(login:auth): check pass; user unknown
>  Nov  4 13:18:08 server login: pam_succeed_if(login:auth): error retrieving
>  information about user root
>  Nov  4 13:18:10 server login: FAILED LOGIN 2 FROM (null) FOR root, User not
>  known to the underlying authentication module
>  Nov  4 13:18:18 server login: pam_unix(login:auth): check pass; user unknown
>  Nov  4 13:18:18 server login: pam_succeed_if(login:auth): error retrieving
>  information about user root
>  Nov  4 13:18:20 server login: FAILED LOGIN 3 FROM (null) FOR root, User not
>  known to the underlying authentication module
>
>  -----------
>  tail of messages log
>  ---------------------
>  Nov  4 13:37:59 server xinetd[1265]: Unable to read included directory:
>  /etc/xinetd.d [file=/etc/xinetd.conf] [line=49]
>  Nov  4 13:37:59 server xinetd[1265]: xinetd Version 2.3.14 started with
>  libwrap loadavg labeled-networking options compiled in
>  Nov  4 13:37:59 server xinetd[1265]: Started working: 0 available services
>  Nov  4 13:39:09 server atd: Cannot get uid for root: Unknown error 530
>
>
>
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>  
Hi Stephen Pusey!

The words "allow root access" seem to be ringing in my mind.

Pgp comes to mind.

Sam is probably right but look for a change in ownership, or basic
configuration of SSH or its dependencies.

Good Hunting!

Tod