How does CentOS modify the time zone and time ?, Centos Change Time Zone

How does CentOS modify the time zone and time ?, Centos Change Time Zone
Modify the time zone:

The CentOS time zone is configured in/etc/localtime. The simplest way to modify it is to make a link to the time zone you want to configure (the available time zone list is in/usr/share/zoneinfo)

Ln-sf/usr/share/zoneinfo/Asia/Shanghai/etc/localtime

You can also directly Overwrite

Cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtime

Verify (View) the current time zone:

Date

Modification time:

Simple and clear:

Date MMDDhhmmYYYY

MM: two digit month number

DD: two digit date

Hh: two digit hour (24 hour system)

Mm: two digit minute

YYYY: four digit of year

Or

Date-s '2017-06-21 21:50:00'

Network Time Synchronization:

After the time zone is set, use ntp to synchronize the standard time .?

Ntp: network time protol )?

Installation:

Yum install ntp

Synchronization:

Ntpdate pool.ntp.org