Set the default language of the CentOS 6.6 system to Chinese

1. Enter the terminal root user and execute the command: sudo vim /etc/sysconfig/i18n

Change "en_US.UTF-8" to "zh_CN.UTF-8"

Save the changes and exit. If you are prompted that the file is read-only, use [:wq!] to force it to write.

2. Use the [sudo shutdown -r now] command to restart the system