From the Installation instructions at https://packages.erlang-solutions.com/erlang/
Installation using repository
1. Adding repository entry
To add Erlang Solutions repository (including our public key for verifying signed package) to your system, call the following commands:
wget https://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm
rpm -Uvh erlang-solutions-1.0-1.noarch.rpm
Alternatively: adding the repository entry manually
RPM packages are signed. To add Erlang Solutions key, execute command:
rpm --import https://packages.erlang-solutions.com/rpm/erlang_solutions.asc
Add the following lines to some file in "/etc/yum.repos.d/":
[erlang-solutions]
name=CentOS $releasever - $basearch - Erlang Solutions
baseurl=https://packages.erlang-solutions.com/rpm/centos/$releasever/$basearch
gpgcheck=1
gpgkey=https://packages.erlang-solutions.com/rpm/erlang_solutions.asc
enabled=1
2. Adding repository with dependencies
Packages requires some packages that are not present in standard repository. Please ensure that EPEL respository is enabled.
3. Installing Erlang
Call the following command to install the "erlang" package:
sudo yum install erlang
or this command to install the "esl-erlang" package:
sudo yum install esl-erlang
Please refer to the FAQ for the difference between those versions. Your erlang will be kept up to date either way.