移除已安装的rabbitmq-server

# yum remove rabbitmq-server

移除已安装的erlang, 另外要移除erlang的其他包

# yum remove erlang
# yum list installed | grep erlang
# yum remove erlang-asn1
# yum remove erlang-compiler
# yum remove erlang-solutions

安装erlang的yum repo

# rpm -ivh https://packages.erlang-solutions.com/erlang-solutions-2.0-1.noarch.rpm

安装erlang

# yum install erlang

安装rabbitmq的yum repo

# curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.rpm.sh | sudo bash
# rpm --import https://github.com/rabbitmq/signing-keys/releases/download/2.0/rabbitmq-release-signing-key.asc
# rpm --import https://packagecloud.io/rabbitmq/erlang/gpgkey
# rpm --import https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey

安装rabbitmq-server

# yum install rabbitmq-server

安装delayed_message_exchange plugin

• 到https://github.com/rabbitmq/rabbitmq-delayed-message-exchange/releases去下载对应的plugin
• 复制到：/usr/lib/rabbitmq/lib/rabbitmq_server-3.10.0/plugins
• 启用插件: rabbitmq-plugins enable rabbitmq_delayed_message_exchange
• 重启rabbitmq服务：systemctl restart rabbitmq