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I had Erlang 23 and RabbitMQ Server 3.8.2 (they are not fully compatible so I decided to upgrade RabbitMQ Server to 3.8.9 because I had some problems running my app)

I have a cluster with one node on AWS EC2 instance of Ubuntu 20.04 (unconfigured yet properly as RabbitMQ advises via plugin - I plan to do it later).

What I did and it worked for me (following commands executed under sudo or root sudo su):

1. It's important to shutdown not just stop_app as Erlang also needs to be stopped and stop_app only stops RabbitMQ Server leaving Erlang on which would later might give you error while starting new version of the RabbitMQ Server - for port 25672 being busy with another app:

   rabbitmqctl shutdown

2. Change in rabbitmq file from old version (I had for some strange reason 3.8.8 instead of 3.8.2 which I run) to a new one - in my case 3.8.9:

   vim /etc/apt/preferences.d/rabbitmq

3. Recheck if dependencies are installed:

   apt-get -y install socat logrotate init-system-helpers adduser

4. Install wget if you don't have it:

   apt-get -y install wget

5. Download latest .deb package of server installation file:

   wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.9/rabbitmq-server_3.8.9-1_all.deb

6. Install it:

   dpkg -i rabbitmq-server_3.8.9-1_all.deb

7. Remove distro:

   rm rabbitmq-server_3.8.9-1_all.deb

8. Check if server stopped (may be redundant command):

   service rabbitmq-server stop

9. Restart server:

   service rabbitmq-server restart

10. Check server status:

    rabbitmq-server status

11. If it gives you an error BOOT FAILED. Distribution port 25672 is in use by another node, check who uses that port it may be that Erlang uses that port:

    lsof -i :25672

12. Start RabbitMQ app:

    rabbitmqctl start_app

13. Check status of node:

    rabbitmqctl status

You should see upgraded RabbitMQ Server version (in my case 3.8.9) along with you recent Erlang version (in my case 23)

Go to the page: https://www.erlang-solutions.com/resources/download.html and download the latest version for raspbian buster.

Then in Raspbian type

The packages erlang-ftp and erlang-tftp were introduced in Ubuntu 19.04 (disco), and are thus not present in bionic. Just leave them out of the command; they're not required for RabbitMQ to function.

Likely the issue is the the Ubuntu mirrors were being updated. You might want to try again (if you have not already resolved this)

make is gmake on Ubuntu. You don't actually need it to be called gmake.

Your version of gmake is almost certainly 3.81 if your host is Ubuntu 14.04 LTS, which seems likely. To get gmake 4 you're going to have to build it yourself or switch your host distro version.

Simple solution

Host your service on Ubuntu 16.04 instead of 14.04

Slightly more complex (but still easy) solution

Here we are going to build gmake 4.2.1 and install it to an alternative location on your host.

Try the following two commands and compare the output on your host:

I was able to work around my problem by using asdf. I installed asdf and ran the following commands