服务端：
yuminstall-ykrb5-server
vim/var/kerberos/krb5kdc/kdc.conf
[kdcdefaults]
kdc_ports=88
kdc_tcp_ports=88
[realms]
HADOOP.COM={
#master_key_type=aes256-cts
acl_file=/var/kerberos/krb5kdc/kadm5.acl
dict_file=/usr/share/dict/words
admin_keytab=/var/kerberos/krb5kdc/kadm5.keytab
supported_enctypes=aes256-cts:normalaes128-cts:normaldes3-hmac-sha1:normalarcfour-hmac:normalcamellia256-cts:normalcamellia128-cts:normaldes-hmac-sha1:normaldes-cbc-md5:normaldes-cbc-crc:normal
}
[logging]
kdc=FILE:/var/log/kdc/kdc.logadmin_server=FILE:/var/log/kdc/kadmin.logdefault=FILE:/var/log/kdc/kdc.log
vim/var/kerberos/krb5kdc/kadm5.acl
*/admin@HADOOP.COM*
初始化KDC数据库，并设置密码:kdb5_utilcreate-s
systemctlstartkrb5kdckadmin
