Shulou(Shulou.com)06/02 Report--

Linux time is divided into System Clock (system time) and Real Time Clock (hardware time, referred to as RTC).

System time: the time in the current Linux Kernel.

Hardware time: the time when there is battery power on the motherboard.

Command to view system time: # date command to set system time: # date-set (month / day / year: minutes: seconds) example: # date-set "10:15 on 10-11-10" to view hardware time: # hwclock command to set hardware time: # hwclock-set-date = (month / day / year: minutes: seconds) the above mentioned manually sets the time to a point in time There may be an error with the time of the current network. Here's how to install the ntpdate tool yum-y install ntp ntpdate to synchronize the system time with the network time ntpdate cn.pool.ntp.orgor = > ntpdate-u ntp.api.bz write the system time to the hardware time hwclock-w

4. When viewing the hardware

Hwclock-show

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