How to update the system time of a Linux server

Due to server time errors, the following methods can be used to update the Linux server's system time:

Method One:

1, first Yum installs local ntpdate client, updates ntpdate cn.pool.ntp.org when using

[email protected] ~]# Yum install ntpdate

2, update with Ntpdate cn.pool.ntp.org.

[Email protected] ~]# ntpdate cn.pool.ntp.org

Sep 16:46:32 ntpdate[15965]: Adjust time server 202.112.29.82 offset 0.010499 sec

Or use cn.pool.ntp.org's IP address to update.

[[email protected] ~]# ping cn.pool.ntp.org

PING cn.pool.ntp.org (202.112.10.36) bytes of data.

Bytes from gus.buptnet.edu.cn (202.112.10.36): icmp_seq=1 ttl=44 time=107 ms

Bytes from gus.buptnet.edu.cn (202.112.10.36): icmp_seq=2 ttl=44 time=86.2 ms

Ntpdate

[[email protected] ~]# Ping cn.pool.ntp.org

PING cn.pool.ntp.org (202.112.10.36) bytes of data.

Bytes from gus.buptnet.edu.cn (202.112.10.36): icmp_seq=1 ttl=44 time=107 ms

Bytes from gus.buptnet.edu.cn (202.112.10.36): icmp_seq=2 ttl=44 time=86.2 ms

[Email protected] ~]# ntpdate 202.112.10.36

Sep 16:49:14 ntpdate[15966]: Adjust time server 202.112.10.36 offset 0.010657 sec

3, After the update, use CLOCK-W or hwclock-w to write to the BIOS, so that the time will be updated automatically at the next boot.

[Email protected] ~]# clock-w

Method Two:

Update directly with the command, Ntpdate time-a.nist.gov

[Email protected] ~]# ntpdate time-a.nist.gov

This article is from the "Breght Moon" blog, make sure to keep this source http://liqingbiao.blog.51cto.com/3044896/1695013

How to update the system time of a Linux server