Incluir as variáveis abaixo no arquivo:
/etc/profile

LC_TELEPHONE=pt_BR.UTF-8
LC_CTYPE=pt_BR.UTF-8
LANGUAGE=pt_BR:pt_PT:pt
LC_MONETARY=pt_BR.UTF-8
LC_ADDRESS=pt_BR.UTF-8
LC_COLLATE=pt_BR.UTF-8
LC_PAPER=pt_BR.UTF-8
LC_NAME=pt_BR.UTF-8
LC_NUMERIC=pt_BR.UTF-8
SYSFONT=lat1-16
LC_MEASUREMENT=pt_BR.UTF-8
LC_TIME=pt_BR.UTF-8
LANG=pt_BR.UTF-8
LC_IDENTIFICATION=pt_BR.UTF-8
LC_MESSAGES=pt_BR.UTF-8

export LC_TELEPHONE LC_CTYPE LANGUAGE LC_MONETARY LC_ADDRESS LC_COLLATE LC_PAPER LC_NAME LC_NUMERIC SYSFONT LC_MEASUREMENT LC_TIME LANG LC_IDENTIFICATION LC_MESSAGES