Yum Install NTP
Ntpdate time.nist.gov
Timedatectl Set-timezone Asia/shanghai
If the above time.nist.gov server is not synchronized, you can change the following several times the server to try:
Time.nist.gov
Time.nuri.net
0.asia.pool.ntp.org
1.asia.pool.ntp.org
2.asia.pool.ntp.org
3.asia.pool.ntp.org
One, view and modify the time zone of Linux
1. View the current time zone
Command: "Date-r"
2. Modify settings for the Linux server time zone
Method A
Command: "Tzselect"
Method B is limited to Redhat Linux and CentOS
Command: "Timeconfig"
Method C applies to Debian
Command: "Dpkg-reconfigure tzdata"
3. Copy the appropriate time zone file, replace the system time zone file, or create a linked file
cp/usr/share/zoneinfo/$ main time zone/$ times time zone/etc/localtime
For example: In set China time zone use Asia/Shanghai (+8)
Cp/usr/share/zoneinfo/asia/shanghai/etc/localtime
second, the time to view and modify Linux
1. View time and date
Command: "Date"
2. Set the time and date
Example: Setting the system date to the November 3, 2009 command
Command: "Date-s 11/03/2009"
command to set the system time to 5:55 P.M. 55 seconds
Command: "Date-s 17:55:55"
3. Write the current time and date to the BIOS to avoid failure after reboot
Command: "Hwclock-w"
Note:
Date
Without parameters, you can see the current date and time directly.
Cal
Without parameters you can see this month's monthly calendar directly
Linux viewing modified time, time zone
