参考这里https://www.erlang-solutions.com/downloads/download-erlang-otp
源码安装的无视
sudo gvim /etc/apt/sources.list，添加
deb http://packages.erlang-solutions.com/debian wheezy contrib
下载key
wget http://packages.erlang-solutions.com/debian/erlang_solutions.asc sudo apt-key add erlang_solutions.asc
最后
sudo apt-get update;sudo apt-get upgrade
话说，速度比较慢