[erlang-questions] How to install a specific version of erlang and uninstall a previously installed version on linux

[Abhishek Ranjan]

Hi,

I am a beginner in erlang and probably it is quite a naive question but I am new to both erlang and linux os as well. I an using Amazon AWS linux instance. I was installing ejabberd in the linux instance through source code when I came to know that I had to install erlang first so I ran command 

yum install erlang 

and the system installed erlang R14B ,then I found that it was needed that i install erlang/otp 17.1 for this.

So now I am a bit confused how to uninstall previous version of erlang first and then install a specific version of erlang i.e. Erlang/OTP 17.1 on Amazon AWS linux instance.

Thanks in advance.

Regards,

Abhishek

[Graham Hay]

Erlang Solutions provide pre-built binaries of newer versions:

https://packages.erlang-solutions.com/erlang/

Or you can build it yourself (using e.g kerl).

[Jack Tang]

You can install and manage different erlang version by kerl (https://github.com/kerl/kerl)

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[Abhishek Ranjan]

But aren't these binaries for windows os and i am looking to install a specific version of erlang (17.1) in linux instance that actually runs like fedora 

Regards
Abhishek

[Hecate]

My advice for that would be to use Kerl → https://github.com/kerl/kerl

I use it along with Kiex (for Elixir) and it just works™.

Have a good day!

[Sölvi Páll Ásgeirsson]

Hi

I tend to use the Erlang Solutions RPMs. You can find them at
https://www.erlang-solutions.com/resources/download.html

Cheers
Sölvi

[Abhishek Ranjan]

Yes @GrahamHay already pointed that to me.
Thank you for reply anyway.
Regards
Abhishek

On May 2, 2017 at 6:44 PM "HODGSON, GARRY" <GH2...@att.com> wrote:

Why would you think that? They have tabs for Ubuntu, centos, osx, debian, windows, fedora, and raspbian.

[Abhishek Ranjan]

Hi,
I tried installing erlang from the packages link but it didn't worked for me somehow,then I tried installing it from source but instead of installing 6.1 Erlang/OTP 17.1 it installed erts 5.8.5 instead of 6.1.
Then I decided to install it using kerl from the link
[https://github.com/kerl/kerl](https://github.com/kerl/kerl)

but after the command : chmod a+x kerl
it is written that : drop it in your $PATH
I am not able to understand what path is it talking about. Do we also have a root path like windows, in linux also?
Can you please guide a little?
Regards
Abhishek

On May 2, 2017 at 6:04 PM Graham Hay <graha...@gmail.com> wrote:

[Abhishek Ranjan]

sorry about the link it got typed twice.
Regards
Abhishek

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