4 The following environment variables can be used during runtime:
7 Main Kerberos configuration file. (See :ref:`mitK5defaults` for
11 KDC configuration file. (See :ref:`mitK5defaults` for the default
15 Default keytab file name. (See :ref:`mitK5defaults` for the
19 Default name for the credentials cache file, in the form *type*\:\
20 *residual*. The type of the default cache may determine the
21 availability of a cache collection. For instance, a default cache
22 of type ``DIR`` causes caches within the directory to be present
23 in the global cache collection.
26 Default replay cache type. Defaults to ``dfl``. A value of
27 ``none`` disables the replay cache.
30 Default replay cache directory. (See :ref:`mitK5defaults` for the
34 :ref:`kprop(8)` port to use. Defaults to 754.
37 Filename for trace-logging output (introduced in release 1.9).
38 For example, ``env KRB5_TRACE=/dev/stdout kinit`` would send
39 tracing information for kinit to ``/dev/stdout``. Some programs
40 may ignore this variable (particularly setuid or login system