Updates for running on CentOS 7#1

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ppapadopoulos wants to merge 13 commits intosdsc:masterfrom rocksclusters:master

+736-95

Commits on Feb 11, 2016

initialize RABBITMQ_Server if not already defined
ppapadopoulos
committed

Commits on Sep 12, 2017

Merge github.com:sdsc/rabbitmq-roll into sdsc
ppapadopoulos
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Commits on Sep 13, 2017

make RPMS compatible with 7. Compile erlang directly.
ppapadopoulos
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Commits on Oct 4, 2017

Adjustments for working with 7
ppapadopoulos
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Commits on Oct 12, 2017

Install the service if hostname is identical to RABBITMQ_Server
ppapadopoulos
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Commits on Oct 13, 2017

Different method of getting rocks version
ppapadopoulos
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Commits on Oct 28, 2017

Create an attribute in the installer
ppapadopoulos
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Commits on Nov 1, 2017

Set an initializer (the frontend) to where the rabbitmq server is located
ppapadopoulos
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Commits on Nov 29, 2017

Copyright Storm for 7.0
ppapadopoulos
committed

Commits on Dec 1, 2017

Commits on Mar 10, 2023

update sha1sum for missing-from-google-drive binary
ppapadopoulos
committed