pam_krb5_migrate is a stackable authentication module that takes a username
and password from an earlier module in the stack, and attempts to
transparently add them to a Kerberos realm using the Kerberos 5 kadmin
The module can be used to ease the administrative burdens of migrating a
large installed userbase from pre-existing authentication methods to a
The most current version of this module can always be found at
For sample usage in a module stack, see the enclosed login.pam file.
The following options are recognized by the module:
debug turn debug logging on
keytab=<file> use alternate keytab for authentication
(default is /etc/security/pam_krb5.keytab)
min_uid=<uid> don't add principals for uid's lower than <uid>.
(default is 100)
principal=<name> use the key for <name> instead of the default
realm=<REALM> update the database for a realm other than the
pam_krb5_migrate was written by Steve Langasek <email@example.com>.
Please send questions and comments (and especially bugfixes) to the current
maintainer, Jelmer Vernooij <firstname.lastname@example.org>.