Centos6
修改 /etc/sysconfig/i18n
立即生效 source /etc/sysconfig/i18n
Centos7
修改 /etc/locale.conf
立即生效 source /etc/locale.conf
LANG=zh_CN.UTF-8
修改 /etc/sysconfig/i18n
立即生效 source /etc/sysconfig/i18n
修改 /etc/locale.conf
立即生效 source /etc/locale.conf
LANG=zh_CN.UTF-8