1. [root@123 ~]# echo $LANG
ja_JP.UTF-8
2. Configure following file to change your current language to English
vi /etc/sysconfig/i18n
3. You will see text in above file as below
LANG="ja_JP.UTF-8"
4. If you want to change your language to English. Do following changes.
Replace your "ja_JP.UTF-8" with "en_US.UTF-8"
5. To save and quit edit mode use following command.
First press "Esc" button and then type :wq to save and quit.
If you want to quit without saving current changes use :q
6. Check again with following command
[root@123 ~]# echo $LANG
en_US.UTF-8
Your server language has been changed.