linux安装完毕时区时间问题ntp

二月 20th, 2010 Posted in Centos | 阅读次数: 397 次

Author:gaojinbo
time:2010-2-20

安装完系统发现时间与现实时间相差＋8小时，经分析由以下产生。
我们在安装时选择的是上海，而centos5把bios时间认为是utc时间，所以＋8小时给我们。这个时候的bios的时间和软件的时间是不一致的。一个代表 utc 一个代表我们设置的cst（＋8时区）。
我们要做的调整是：

1、vi /etc/sysconfig/clock  
ZONE="Asia/Shanghai"
UTC=false                          （主要是这个选项，设置硬件时钟不是跟utc一致）
ARC=false

2、linux的时区设置为  上海
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

3、对准时间ntp
ntpdate 192.43.244.18

4、设置硬件时间和软件时间的一致并校准
/sbin/hwclock –systohc
这样我们的linux软件和计算机硬件都是cst时间了－－并且是我们设置的上海时区

 

done!

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