cd .emacs.d/
emacs --batch -f batch-byte-compile init.el

wnoguchi@lasthope:~$ cd ~/.emacs.d/
wnoguchi@lasthope:~/.emacs.d$ emacs --batch -f batch-byte-compile init.el
Loading /etc/emacs/site-start.d/00debian.el (source)...
Loading /etc/emacs/site-start.d/50dictionaries-common.el (source)...
Loading debian-ispell...
Loading /var/cache/dictionaries-common/emacsen-ispell-default.el (source)...
Loading /var/cache/dictionaries-common/emacsen-ispell-dicts.el (source)...
wnoguchi@lasthope:~/.emacs.d$