老是搞忘记，专门做个记录：
[root@media ~]# dmidecode | grep "Product Name"
Product Name: To be filled by O.E.M.
Product Name: B75M-D3V
修改默认语言：
[chenshouyong@media ~]$ cat /etc/sysconfig/i18n
LANG="en_US.UTF-8"
#LANG="zh_CN.UTF-8"
LANG="en_US.UTF-8"
#LANG="zh_CN.UTF-8"