Linux centos7 语言 utf8->UTF-8
localedef -c -f UTF-8 -i zh_CN zh_CN.utf8
# vim /etc/locale.conf LANG=zh_CN.utf8
# sudo echo LANG=zh_CN.utf8 >/etc/locale.conf # source /etc/locale.conf
# vim /etc/environment LANG=zh_CN.utf8 LC_ALL=zh_CN.utf8 LC_CTYPE=zh_CN.utf8
# source /etc/environment