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https://issues.apache.org/jira/browse/HADOOP-8716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438764#comment-13438764
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Mikhail commented on HADOOP-8716:
---------------------------------
I don't know the internals of Hadoop, but it seems that this link
http://www.debian.org/doc/manuals/securing-debian-howto/ch9.en.html could be
helpful to resolve the issue.
> Users/Groups are not created during installation of DEB package
> ---------------------------------------------------------------
>
> Key: HADOOP-8716
> URL: https://issues.apache.org/jira/browse/HADOOP-8716
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Affects Versions: 1.0.3
> Environment: Ubuntu 12.04 LTS
> x64
> Reporter: Mikhail
> Labels: install
>
> During DEB x64 package installation I got the following errors:
> mak@mak-laptop:~/Downloads$ sudo dpkg -i hadoop_1.0.3-1_x86_64.deb
> [sudo] password for mak:
> Selecting previously unselected package hadoop.
> (Reading database ... 195000 files and directories currently installed.)
> Unpacking hadoop (from hadoop_1.0.3-1_x86_64.deb) ...
> groupadd: GID '123' already exists
> Setting up hadoop (1.0.3) ...
> chown: invalid group: `root:hadoop'
> chown: invalid group: `root:hadoop'
> Processing triggers for ureadahead ...
> ureadahead will be reprofiled on next reboot
> Group with ID=123 already exists and belongs to 'saned' according to my
> /etc/group: saned:x:123:
> Also, during first run I see the following:
> mak@mak-laptop:~/Downloads$ sudo service hadoop-namenode start
> * Starting Apache Hadoop Name Node server hadoop-namenode
> start-stop-daemon: user 'hdfs' not found
> This user wasn't created during installation.
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