Centos/RHEL上查看主板型号

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"