1.首先是語言問題,中文會導致報錯.

修改 /etc/sysconfig/i18n

改為LANG="en_US.UTF-8"

重啟

2.其次Ambari agent machine hostname (localhost.localdomain) does not match expected ambari server hostname (xxx)

/etc/hosts 修改前： 127.0.0.1   xxx localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         xxx localhost localhost.localdomain localhost6 localhost6.localdomain6 修改後： 127.0.0.1   xxx localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         xxx 3.ambari 安裝Hortonworks HDP 時在檢測host時異常。 The following hosts have Transparent Huge Pages (THP) enabled。THP should be disabled to avoid potential Hadoop performance issues.
shell執行

echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag  
echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled  
echo never > /sys/kernel/mm/transparent_hugepage/enabled  
echo never > /sys/kernel/mm/transparent_hugepage/defrag
 

4.徹底關閉防火牆

/etc/init.d/iptables stop
chkconfig --level 35 iptables off