[libdefaults]
  renew_lifetime = 7d
  forwardable = true
  default_realm = EXAMPLE.COM
  ticket_lifetime = 24h
  dns_lookup_realm = false
  dns_lookup_kdc = false
  default_ccache_name = /tmp/krb5cc_%{uid}
  #default_tgs_enctypes = aes des3-cbc-sha1 rc4 des-cbc-md5
  #default_tkt_enctypes = aes des3-cbc-sha1 rc4 des-cbc-md5

[logging]
  default = FILE:/var/log/krb5kdc.log
  admin_server = FILE:/var/log/kadmind.log
  kdc = FILE:/var/log/krb5kdc.log

[realms]
  EXAMPLE.COM = {
    admin_server = my.linux-server.de
    kdc = my.linux-server.de
  }

kadmin.local:  addprinc testuser@EXAMPLE.COM

[root@ubuntu-vm ~]# kinit testuser
Password for testuser@EXAMPLE.COM:

[root@ubuntu-vm ~]# klist
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: testuser@EXAMPLE.COM

Valid starting       Expires              Service principal
01.12.2016 14:58:40  02.12.2016 14:58:40  krbtgt/EXAMPLE.COM@EXAMPLE.COM

C:> Ksetup /setdomain EXAMPLE.COM

C:> kinit testuser@EXAMPLE.COM
Password for testuser@EXAMPLE.COM:
<empty row>

Aktuelle Anmelde-ID ist 0:0x7eca34

Zwischengespeicherte Tickets: (0)

[libdefaults]
  default_realm = EXAMPLE.COM

[realms]
  EXAMPLE.COM = {
    admin_server = your.admin.server.de
    kdc = your.kdc.server.de
  }

network.negotiate-auth.delegation-uris = http://your.kdc.server.de

network.negotiate-auth.trusted-uris = http://your.kdc.server.de

network.auth.use-sspi = false