The cookie is a short string provided either as an argument when creating <a href="clojang/current/clojang.jinterface.otp.nodes.html#var-NodeObject">node</a> objects, or found in the user’s home directory in the file <code>.erlang.cookie</code>. When a connection attempt is made, the string is used as part of the authentication process. If you are having trouble getting communication to work, use the trace facility (described later in this document) to show the connection establishment. A likely problem i