erlang software package provides Concurrent, real-time, distributed functional language, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install erlang
erlang is installed in your system.
Make ensure the erlang package were installed using the commands given below,
$ sudo dpkg-query -l | grep erlang *
You will get with erlang package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Interpreters |
| Package | erlang |
| Version | 1:15.b.1-dfsg-4+deb7u1 |
| Description | Concurrent, real-time, distributed functional language |
| Sub Section | Interpreters |