With Kubuntu 14.04, I have got some trouble with the locales. "Something" in KDE override my settings (I say in KDE because if I use gnome, I got no problems).
Here are my settings
$ cat /etc/default/locale
LANG="en_US.UTF-8"
LANGUAGE="en"
LC_NUMERIC="fr_FR.UTF-8"
LC_TIME="fr_FR.UTF-8"
LC_MONETARY="fr_FR.UTF-8"
LC_PAPER="fr_FR.UTF-8"
LC_IDENTIFICATION="fr_FR.UTF-8"
LC_NAME="fr_FR.UTF-8"
LC_ADDRESS="fr_FR.UTF-8"
LC_TELEPHONE="fr_FR.UTF-8"
LC_MEASUREMENT="fr_FR.UTF-8"
$ cat /etc/environment
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"
But I got (the problem are the "en_FR.UTF-8"):
$ locale
locale: Cannot set LC_ALL to default locale: No such file or directory
LANG=en_US.UTF-8
LANGUAGE=en
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC=en_FR.UTF-8
LC_TIME=en_FR.UTF-8
LC_COLLATE="en_US.UTF-8"
LC_MONETARY=en_FR.UTF-8
LC_MESSAGES="en_US.UTF-8"
LC_PAPER=en_FR.UTF-8
LC_NAME=en_FR.UTF-8
LC_ADDRESS=en_FR.UTF-8
LC_TELEPHONE=en_FR.UTF-8
LC_MEASUREMENT=en_FR.UTF-8
LC_IDENTIFICATION=en_FR.UTF-8
LC_ALL=
What do you think of that?
Thanks!
cat ~/.kde/env/setlocale.sh
. This is a script generated by the system settings of KDE. If it contains FR locales and you did not set it to French in system settings you are probably not using the right KDE system settings panel, but the Gnome settings in your KDE session. – gertvdijk Jun 11 '15 at 13:39