+apt -y install build-essential #elixir erlang-dev erlang-tools erlang-parsetools erlang-eldap erlang-ssh erlang-xmerl build-essential
+# Not listed by doc.
+apt -y install wget gnupg #erlang-inets erlnag-erlware-commons
+
+wget -P /tmp/ https://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb
+dpkg -i /tmp/erlang-solutions_1.0_all.deb
+apt update
+apt -y install elixir erlang-dev erlang-tools erlang-parsetools erlang-eldap erlang-ssh erlang-xmerl