linux（ubuntu20）下载安装RabbitMQ_ubuntu中rabbitmq3.12.2安装包下载

1.尽量使用root用户，在 /etc/apt/sources.list.d/目录下新增:/etc/apt/sources.list.d/rabbitmq.list  （就是添加下边这个文件）
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## Provides modern Erlang/OTP releases
##
## Replace $distribution with the name of the Ubuntu release used.
## On Debian, "deb/ubuntu" should be replaced with "deb/debian"
deb [signed-by=/usr/share/keyrings/io.cloudsmith.rabbitmq.E495BB49CC4BBE5B.gpg] https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-erlang/deb/ubuntu $distribution main
deb-src [signed-by=/usr/share/keyrings/io.cloudsmith.rabbitmq.E495BB49CC4BBE5B.gpg]  https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-erlang/deb/ubuntu $distribution main

## Provides RabbitMQ
##
## Replace $distribution with the name of the Ubuntu release used.
## On Debian, "deb/ubuntu" should be replaced with "deb/debian"
deb [signed-by=/usr/share/keyrings/io.cloudsmith.rabbitmq.9F4587F226208342.gpg] https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-server/deb/ubuntu $distribution main
deb-src [signed-by=/usr/share/keyrings/io.cloudsmith.rabbitmq.9F4587F226208342.gpg] https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-server/deb/ubuntu $distribution main
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2.sudo apt-get update -y  
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第二步是更新包

3.sudo apt-get install -y erlang-base \
                    erlang-asn1 erlang-crypto erlang-eldap erlang-ftp erlang-inets \
                    erlang-mnesia erlang-os-mon erlang-parsetools erlang-public-key \
                    erlang-runtime-tools erlang-snmp erlang-ssl \
                    erlang-syntax-tools erlang-tftp erlang-tools erlang-xmerl




4. sudo apt-get install rabbitmq-server -y --fix-missing
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（如果不行，前边加sudo）查看状态 service rabbitmq-server status
启动服务service rabbitmq-server start
重启服务service rabbitmq-server stop

5.安装插件，进入目录 cd /usr/lib/rabbitmq/bin
rabbitmq-plugins enable rabbitmq_management

6.再次重启服务service rabbitmq-server restart

访问：http://ip:15672 （这里的ip是你自己的地址）

7.创建用户，授权 rabbitmqctl add_user admin 123456
8.授予角色 rabbitmqctl set_user_tags admin administrator

这时可以去网站登录