安装系统为CENTOS7.X

• 升级系统

yum install epel-release -y
yum update
yum clean all
yum makecache

• 安装Erlang,参考 Erlang安装
• 安装mq

rpm --import https://github.com/rabbitmq/signing-keys/releases/download/2.0/rabbitmq-release-signing-key.asc
rpm --import 'https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-server/gpg.9F4587F226208342.key'

cat > /etc/yum.repos.d/rabbitmq.repo <<EOF
# In /etc/yum.repos.d/rabbitmq.repo

##
## Zero dependency Erlang
##

[rabbitmq_erlang]
name=rabbitmq_erlang
baseurl=https://packagecloud.io/rabbitmq/erlang/el/7/$basearch
repo_gpgcheck=1
gpgcheck=1
enabled=1
# PackageCloud's repository key and RabbitMQ package signing key
gpgkey=https://packagecloud.io/rabbitmq/erlang/gpgkey
       https://github.com/rabbitmq/signing-keys/releases/download/2.0/rabbitmq-release-signing-key.asc
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

[rabbitmq_erlang-source]
name=rabbitmq_erlang-source
baseurl=https://packagecloud.io/rabbitmq/erlang/el/7/SRPMS
repo_gpgcheck=1
gpgcheck=0
enabled=1
gpgkey=https://packagecloud.io/rabbitmq/erlang/gpgkey
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

##
## RabbitMQ server
##

[rabbitmq_server]
name=rabbitmq_server
baseurl=https://packagecloud.io/rabbitmq/rabbitmq-server/el/7/$basearch
repo_gpgcheck=1
gpgcheck=1
enabled=1
# PackageCloud's repository key and RabbitMQ package signing key
gpgkey=https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey
       https://github.com/rabbitmq/signing-keys/releases/download/2.0/rabbitmq-release-signing-key.asc
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

[rabbitmq_server-source]
name=rabbitmq_server-source
baseurl=https://packagecloud.io/rabbitmq/rabbitmq-server/el/7/SRPMS
repo_gpgcheck=1
gpgcheck=0
enabled=1
gpgkey=https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300
EOF
yum install rabbitmq-server -y
systemctl start rabbitmq-server.service
systemctl enable rabbitmq-server.service
rabbitmqctl status

• 使用

rabbitmq-plugins enable rabbitmq_management ##启用管理模块
chown -R rabbitmq:rabbitmq /var/lib/rabbitmq/
rabbitmqctl add_user mqadmin mqadminpassword
rabbitmqctl set_user_tags mqadmin administrator
rabbitmqctl set_permissions -p / mqadmin ".*" ".*" ".*"
http://[your-vultr-server-IP]:15672/  ## 使用管理端口访问
systemctl restart rabbitmq-server.service

参考地址：
https://www.vultr.com/docs/how-to-install-rabbitmq-on-centos-7
https://www.rabbitmq.com/install-rpm.html

使用的系统是CENTOS7.X

• 安装命令如下：

cd /opt
yum install epel-release -y
wget https://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm
rpm -Uvh erlang-solutions-1.0-1.noarch.rpm
yum install erlang -y
[ -f /opt/erlang-solutions-1.0-1.noarch.rpm ] && rm /opt/erlang-solutions-1.0-1.noarch.rpm -rf
erl  ##输入这个命令，如果有版本等信息就表示安装成功

参考地址： https://tecadmin.net/install-erlang-on-centos/