一:使用FreeIPA安装Kerberos和LDAP( IPA-Client安装)
需要先改好ip 域名关系192.168.100.01 hadoop01.gyb.bigdata.demo.com hadoop01192.168.100.02 hadoop02.gyb.bigdata.demo.com hadoop02192.168.100.03 hadoop03.gyb.bigdata.demo.com hadoop03192.168.100.04 hadoop04.gyb.bigdata.demo.com hadoop04#具体为vim /etc/hostsIPA-Cl