ocamlfind cannot see installed package

Question

I wanted to compile my project using command:

ocamlfind ocamlopt -package ocamlnet -package batteries -package unix -linkpkg oauth.ml

but I\'m

Answer 1

Do a:

eval $(opam config env)

That should fix the problem.

# Edit 1:

If it still does not work remove the dir

/home/user/.opam/4.00.1

and try it again.