Centos Q&A

Q1: Centos Warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory

vi /etc/environment
#add these lines...
LANG=en_US.utf-8 
LC_ALL=en_US.utf-8

参考自: https://gist.github.com/jampajeen/841d4eed4da3e6c758bf

Q2: How to See System Version?

[root@cf06bf9442e7 /]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)