Cloudera Manager をインストールしてみてください。Hadoop ホストでのステップの自動インストールに失敗しました。
Error:
Installing JDK package...
BEGIN yum info jdk
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: archive.cs.uu.nl
* extras: archive.cs.uu.nl
* updates: mirror.fraunhofer.de
http://archive.cloudera.com/redhat/cdh/3/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: cloudera-cdh3. Please verify its path and try again
END (1)
remote package jdk is not available, giving up
From OS command
yum info jdk
complete success.
In the OS set proxy (export http_proxy=....)