System and hardware clock management under Linux

In the absence of NTP and in the case of private network, so the validity of effective guarantee time can actually use this scheme to ensure the accuracy of time

1. System date and time setting

[[email protected] ~]# date-s "2014-11-27 21:50:00" set current time and date
Thu 21:50:00 EST 2014

2. Hardware clock date and time setting

[Email protected]/]# hwclock --set--date= "2014-11-27 21:50:00"

3, the system clock and hardware clock synchronization

[email protected]/]# CLOCK–SYSTOHC

This article is from the "Lao Han Technical Note" blog, please be sure to keep this source http://hzyan.blog.51cto.com/9617993/1583854

System and hardware clock management under Linux