时区更改
date -R
tzselect
rm -rf /etc/localtime
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
vi /etc/sysconfig/clock
ZONE="Asia/Shanghai"
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NTP服务
/etc/init.d/ntpd start
chkconfig ntpd on
chkconfig --list ntpd
原文：http://12223582.blog.51cto.com/12213582/1871866