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如何验证是否已安装CDH(cloudera hadoop分发)

[英]How to verify if CDH (cloudera hadoop distribution) is installed or not

How to check if CDH is installed or not? 如何检查CDH是否已安装?

If yes, than get the version number. 如果是,则获取版本号。

If someone can give me shell script to do the same it would be great. 如果有人可以给我shell脚本做同样的事情,那就太好了。

You can check it with: 您可以使用以下方法进行检查:

readlink /opt/cloudera/parcels/CDH

Or with hadoop command: 或使用hadoop命令:

hdfs version | grep "CDH" | awk -F"/" '{print $5}'

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