Unpacking grml-etc-core (from .../grml-etc-core_0.3.5_all.deb) ...
cp: cannot stat `/etc/zsh/zlogin': No such file or directory
cp: cannot stat `/etc/zsh/zprofile': No such file or directory
cp: cannot stat `/etc/zsh/zshenv': No such file or directory
cp: cannot stat `/etc/zsh/zshrc': No such file or directory
cp: cannot stat `/etc/zsh/zlogout': No such file or directory
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en",
        LC_ALL = (unset),
        LC_MESSAGES = "en_US.UTF-8",
        LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
dpkg: error processing /var/cache/apt/archives/grml-etc-core_0.3.5_all.deb (--
unpack):
 trying to overwrite `/etc/zsh/zlogin', which is also in package zsh
Selecting previously deselected package grml-network.
[...]