rabbitmq-server from home:Ledest:erlang:19 project
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Add repository and install manually
For openSUSE Leap 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Ledest:erlang:19/openSUSE_Leap_15.5/home:Ledest:erlang:19.repo zypper refresh zypper install rabbitmq-server