RH I18N

system-config-language
/etc/sysconfig/i18n
Environment Variable: LANG
Setting LANG according to gnome / account

# use .dmrc or accountsservice data (if accounts-daemon is running)

if pidof accounts-daemon &> /dev/null
then
   TEMPLANG=$(cat "/var/lib/AccountsService/users/$USER" | grep ^Language= | 
cut -d '=' -f 2 | sed 's/utf8/UTF8/')
   [ ! -z "$TEMPLANG" ] && export LANG=$TEMPLANG
else
   TEMPLANG=$(cat "$HOME/.dmrc" | grep ^Language= | cut -d '=' -f 2 | sed 
's/utf8/UTF8/')
   [ ! -z "$TEMPLANG" ] && export LANG=$TEMPLANG
fi

Setting Input Methods: im-chooser
german keyboard: loadkeys de-latin-nodeadkeys