Change default language on Centos/RHEL

To change default language or locale on Centos or RHEL Linux, follow these steps

1. To see the current language:

   $ cat vi /etc/sysconfig/i18n
   LANG="de_DE.UTF-8"
   SYSFONT="latarcyrheb-sun16"
   

2. To list available languages:

   $ locale -a
   

3. To change the language to en_US.utf8 edit file /etc/sysconfig/i18n to have the following line

   LANG="de_DE.UTF-8"