更改区域设置 Ubuntu 16.04 x64

在对系统进行一些操作后，操作系统界面变成了英文，就像默认启动的所有应用程序一样。我试图通过 GUI 更改语言环境，但一切都在那里。

locale
LANG=ru_RU.UTF-8
LANGUAGE=C.UTF-8
LC_CTYPE="ru_RU.UTF-8"
LC_NUMERIC="ru_RU.UTF-8"
LC_TIME="ru_RU.UTF-8"
LC_COLLATE="ru_RU.UTF-8"
LC_MONETARY="ru_RU.UTF-8"
LC_MESSAGES="ru_RU.UTF-8"
LC_PAPER="ru_RU.UTF-8"
LC_NAME="ru_RU.UTF-8"
LC_ADDRESS="ru_RU.UTF-8"
LC_TELEPHONE="ru_RU.UTF-8"
LC_MEASUREMENT="ru_RU.UTF-8"
LC_IDENTIFICATION="ru_RU.UTF-8"
LC_ALL=ru_RU.UTF-8

locale -a
C
C.UTF-8
en_AG
en_AG.utf8
en_AU.utf8
en_BW.utf8
en_CA.utf8
en_DK.utf8
en_GB.utf8
en_HK.utf8
en_IE.utf8
en_IN
en_IN.utf8
en_NG
en_NG.utf8
en_NZ.utf8
en_PH.utf8
en_SG.utf8
en_US.utf8
en_ZA.utf8
en_ZM
en_ZM.utf8
en_ZW.utf8
POSIX
ru_RU.utf8
ru_UA.utf8

cat /etc/default/locale 
#  File generated by update-locale
LANG="ru_RU.UTF-8"
LANGUAGE="ru:en"
LC_NUMERIC="ru_RU.UTF-8"
LC_TIME="ru_RU.UTF-8"
LC_MONETARY="ru_RU.UTF-8"
LC_PAPER="ru_RU.UTF-8"
LC_IDENTIFICATION="ru_RU.UTF-8"
LC_NAME="ru_RU.UTF-8"
LC_ADDRESS="ru_RU.UTF-8"
LC_TELEPHONE="ru_RU.UTF-8"
LC_MEASUREMENT="ru_RU.UTF-8"

nano ~/.bashrc
# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples
#export LC_xxx=C.UTF-8
export LC_ALL=ru_RU.UTF-8
...

cat /proc/$(pgrep -u $(whoami) | head -n 1)/environ | xargs -0 -n 1 echo | grep '^\(LANG\|LC\)'
LANG=ru_RU.UTF-8
LANGUAGE=ru:en
LC_ADDRESS=ru_RU.UTF-8
LC_IDENTIFICATION=ru_RU.UTF-8
LC_MEASUREMENT=ru_RU.UTF-8
LC_MONETARY=ru_RU.UTF-8
LC_NAME=ru_RU.UTF-8
LC_NUMERIC=ru_RU.UTF-8
LC_PAPER=ru_RU.UTF-8
LC_TELEPHONE=ru_RU.UTF-8
LC_TIME=ru_RU.UTF-8

localectl
   System Locale: LANG=ru_RU.UTF-8
                  LANGUAGE=ru:en
       VC Keymap: n/a
      X11 Layout: us,ru
       X11 Model: pc105
     X11 Variant: ,
     X11 Options: grp:alt_shift_toggle,grp_led:scroll

由于 gdb 在控制台中用俄语编写，因此使用其 PID 执行命令：

cat /proc/4274/environ 2>/dev/null | xargs -0 -n 1 echo | grep '^\(LANG\|LC\)'
LC_PAPER=ru_RU.UTF-8
LC_ADDRESS=ru_RU.UTF-8
LC_MONETARY=ru_RU.UTF-8
LC_NUMERIC=ru_RU.UTF-8
LC_TELEPHONE=ru_RU.UTF-8
LC_IDENTIFICATION=ru_RU.UTF-8
LANG=ru_RU.UTF-8
LC_MEASUREMENT=ru_RU.UTF-8
LANGUAGE=ru
LC_TIME=ru_RU.UTF-8
LC_NAME=ru_RU.UTF-8

用英语讲：

许格

cat /proc/1257/environ 2>/dev/null | xargs -0 -n 1 echo | grep '^\(LANG\|LC\)'

yandex_browser

cat /proc/2642/environ 2>/dev/null | xargs -0 -n 1 echo | grep '^\(LANG\|LC\)'

更新：1

env | grep '^\(LANG\|LC\)' 
LC_PAPER=ru_RU.UTF-8
LC_ADDRESS=ru_RU.UTF-8
LC_MONETARY=ru_RU.UTF-8
LC_NUMERIC=ru_RU.UTF-8
LC_TELEPHONE=ru_RU.UTF-8
LC_IDENTIFICATION=ru_RU.UTF-8
LANG=ru_RU.UTF-8
LC_MEASUREMENT=ru_RU.UTF-8
LANGUAGE=ru
LC_TIME=ru_RU.UTF-8
LC_NAME=ru_RU.UTF-8

sudo nano /etc/X11/Xsession.d/00upstart

更新：2

添加行：

env | grep '^\(LANG\|LC\)' >> /tmp/log.file

重新启动会话

cat /tmp/log.file 
LC_PAPER=ru_RU.UTF-8
LC_ADDRESS=ru_RU.UTF-8
LC_MONETARY=ru_RU.UTF-8
LC_NUMERIC=ru_RU.UTF-8
LC_TELEPHONE=ru_RU.UTF-8
LC_IDENTIFICATION=ru_RU.UTF-8
LANG=ru_RU.UTF-8
LC_MEASUREMENT=ru_RU.UTF-8
LANGUAGE=C.UTF-8
LC_TIME=ru_RU.UTF-8
LC_NAME=ru_RU.UTF-8