Linux安装RabbitMQ

# 下载
wget https://packages.erlang-solutions.com/erlang/rpm/centos/7/x86_64/esl-erlang_23.3.1-1~centos~7_amd64.rpm

# 安装
yum install esl-erlang_23.3.1-1~centos~7_amd64.rpm

# 如果有更高的版本需要覆盖安装使用这条
rpm -ivh esl-erlang_23.3.1-1~centos~7_amd64.rpm --replacefiles

erl -version

# 安装RabbitMQ密钥
rpm --import https://www.rabbitmq.com/rabbitmq-signing-key-public.asc

# 下载
wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.14/rabbitmq-server-3.8.14-1.el7.noarch.rpm

# 安装
yum install rabbitmq-server-3.8.14-1.el7.noarch.rpm

# 配置Web页面
rabbitmq-plugins enable rabbitmq_management

systemctl enable rabbitmq-server.service

/sbin/iptables -I INPUT -p tcp --dport 5672 -j ACCEPT
/sbin/iptables -I INPUT -p tcp --dport 15672 -j ACCEPT

# 启动（二选一）
systemctl start rabbitmq-server.service

# 启动（二选一）
/sbin/service rabbitmq-server start

# 查看启动状态
systemctl status rabbitmq-server.service

# 新增用户 username为用户名  passwd为密码
rabbitmqctl add_user username passwd    

# 设置超管权限
rabbitmqctl set_user_tags username administrator

# 为username设置权限
rabbitmqctl set_permissions -p "/" username ".*" ".*" ".*" 

# 设置完重启服务
systemctl restart rabbitmq-server.service

rabbitmq-server.service: main process exited, code=exited, status=1/FAILURE

/var/lib/rabbitmq/mnesia 目录下存在rabbit@localhost.pid、rabbit@localhost、rabbit@localhost-plugins-expand，删除这3项

file /usr/bin/epmd from install of esl-erlang-25.0.3-1.x86_64 conflicts with file from package erlang-erts-24.3.4.1-1.el7.x86_64

该提示为Erlang和RabbitMQ版本不匹配导致