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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-6590) Add a username check in hadoop-daemon.sh
Date Tue, 16 Sep 2014 18:35:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HADOOP-6590:
-------------------------------------
    Attachment: HADOOP-6590-02.patch

This patch will allow an admin to define HADOOP_command_USER to the user that should only
be allowed to execute that command.

For example, HADOOP_namenode_USER=hdfs will prevent the namenode from running by anyone but
the hdfs user.

> Add a username check in hadoop-daemon.sh
> ----------------------------------------
>
>                 Key: HADOOP-6590
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6590
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 0.22.0
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>            Priority: Minor
>         Attachments: HADOOP-6590-02.patch, HADOOP-6590-2010-07-12.txt, HADOOP-6590.patch
>
>
> We experienced a case that sometimes we accidentally started HDFS or MAPREDUCE with root
user. Then the directory permission will be modified and we have to chown them. It will be
nice if there can be a username checking in the hadoop-daemon.sh script so that we always
start with the desired username.



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