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https://issues.apache.org/jira/browse/HADOOP-15195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354896#comment-16354896
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Chris Douglas commented on HADOOP-15195:
----------------------------------------

I don't have access to an SELinux system and haven't even tried to use it since 
2004. [~aw]?

Superficially:
* The comment could explain what this is working around, rather than a pointer 
to the blog point
* Similarly, explaining what :z does might be useful
* Some {{bats}} unit tests exist for the shell code. Are there any useful tests 
one could write for this?
* (trivial) {{\{split($3,ver,".");print ver[1]"."ver[2]\}}} could match 
/^Docker version/

> With SELinux enabled, directories mounted with start-build-env.sh may not be 
> accessible.
> ----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15195
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15195
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>         Environment: Systems with SELinux enabled, e.g., Red Hat Linux 7, 
> CentOS 7, Fedora.
>            Reporter: Grigori Rybkine
>            Assignee: Grigori Rybkine
>            Priority: Major
>         Attachments: HADOOP-15195.001.patch, HADOOP-15195.001.patch, 
> HADOOP-15195.002.patch
>
>
> On a system with SELinux enabled, e.g., Red Hat Linux 7, CentOS 7, Fedora, 
> the host directories - with the Hadoop code and the maven .m2 - mounted with 
> start-build-env.sh may not be accessible to the container. This precludes 
> Hadoop development on such systems.



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