https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113174#M16490 <P><A rel="user" href="https://community.cloudera.com/users/2338/robindong2000.html" nodeid="2338">@Robin Dong</A> The initial question was not clear. The main group is hadoop. You can setup permissions at directory and file level for users.</P><P>Check this <A href="https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/FileSystemShell.html">https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/FileSystemShell.html</A></P><P>Look for chmod and chown commands</P> Thu, 28 Jan 2016 09:56:38 GMT nsabharwal 2016-01-28T09:56:38Z https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113171#M16487 <P>I need to know </P><P>1. groups hortonworks for their user. </P><P>2. installed everything by root user, is any file, (dir is file) I need to chmod, chown?</P> Fri, 16 Sep 2022 10:00:25 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113171#M16487 robi 2022-09-16T10:00:25Z https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113172#M16488 <P><A rel="user" href="https://community.cloudera.com/users/2338/robindong2000.html" nodeid="2338">@Robin Dong</A></P><P>Ambari will take care of user and group creation once you start deploying the cluster </P> Wed, 27 Jan 2016 09:10:30 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113172#M16488 nsabharwal 2016-01-27T09:10:30Z https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113173#M16489 <P>thank you Neeraj, so any user can log on do anything with Hortonworks without su - xxx?</P> Thu, 28 Jan 2016 09:44:58 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113173#M16489 robi 2016-01-28T09:44:58Z https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113174#M16490 <P><A rel="user" href="https://community.cloudera.com/users/2338/robindong2000.html" nodeid="2338">@Robin Dong</A> The initial question was not clear. The main group is hadoop. You can setup permissions at directory and file level for users.</P><P>Check this <A href="https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/FileSystemShell.html">https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/FileSystemShell.html</A></P><P>Look for chmod and chown commands</P> Thu, 28 Jan 2016 09:56:38 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/what-usergroup-I-need-to-setup-after-install-ambari-by-root/m-p/113174#M16490 nsabharwal 2016-01-28T09:56:38Z