Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2066#discussion_r65825673
--- Diff: flink-contrib/docker-flink/base/Dockerfile ---
@@ -38,12 +38,12 @@ ENV JAVA_HOME /usr/java/default/
RUN echo 'root:secret' | chpasswd
#SSH as root... probably needs to be revised for security!
-RUN sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/'
/etc/ssh/sshd_config
--- End diff --
+1 to Greg's suggestion. Otherwise users of old versions will have a
problem.
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