vim /etc/krb5.conf

includedir /etc/krb5.conf.d/

[logging]
default = FILE:/var/log/krb5libs.log
kdc = FILE:/var/log/krb5kdc.log
admin_server = FILE:/var/log/kadmind.log

[libdefaults]
default_realm = HADOOP.COM
dns_lookup_realm = false
dns_lookup_kdc = false
ticket_lifetime = 24h
renew_lifetime = 100d
rdns = false
forwardable = true
udp_preference_limit= 1
[realms]
HADOOP.COM = {
kdc = 172.16.151.182
admin_server = 172.16.151.182
default_domain = hadoop.com

vim /etc/krb5.conf

原文：https://www.cnblogs.com/l7planet/p/13047771.html