Mart van de Wege [2015-10-17 14:58:02+02] wrote:

> I've installed a bunch of libraries from elpa, and I found at least
> one of them is not available unless I do an explicit M-x load-library
>
> Now, I thought to add that to my .emacs, but neither (load-library
> "org-alert") nor (require 'org-alert) works. What am I doing wrong?

I think Elpa directories are not in load-path at the Emacs init time. If
you insert
    
    (package-initialize)

in your init file Emacs becoems aware of Elpa packages.