[Bug 971028] Re: kerberos auth doesn't work because of kerberos server not found

[Thomas Schweikle]

I was looking in the wrong direction, because of kerberos errors, after
upgrading from oneiric to precise.

This bug is not related to kerberos, but to OpenLDAP. OpenLDAP has two configuration files for authenticating against a ldap-server:
/etc/ldap/ldap.conf -- used by nsswitch
/etc/ldap.conf -- used by other tools including kerberos, if kerberos data is stored in ldap.

Both of these files are overwritten by "do-release-upgrade -d", breaking
the connection to your ldap-server. In tune kerberos can't read it's
database (stored in ldap) any more, while the connection is not broken,
because /etc/krb5.conf holds the necessary information. But Informations
for authenticating kerberos against ldap are stored in
/etc/ldap/ldap.conf and these are lost. The error messages kerberos
exausts lead in a false direction. Resoring the files
/etc/ldap/ldap.conf and /etc/ldap.conf solves the problem.

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https://bugs.launchpad.net/bugs/971028

Title:
  kerberos auth doesn't work because of kerberos server not found

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