CentOS sync GMT

Yum Install NTP ntpdate

#ntpdate-U 202.120.2.101

Write hardware

#Hwclock-w

The following are the common NTP servers in China

Ntp.Sjtu.Edu.cn202.120.2.101 Shanghai Jiaotong University Network CenterS1a.Time.Edu.cnPosts and TelecommunicationsS1b.Time.Edu.cnTsinghua universityS1c.Time.Edu.cnPeking universitys1d.Time.Edu.cnSoutheast Universitys1e.Time.Edu.cnTsinghua universitys2a.Time.Edu.cnTsinghua universityS2b.Time.Edu.cnTsinghua universityS2c.Time.Edu.cnPosts and TelecommunicationsS2d.Time.Edu.cnSouthwest Network CenterS2e.Time.Edu.cnNorthwest Network Centers2f.Time.Edu.cnNortheast Regional Network Centers2g.Time.EduCN  East China South Regional Network Center s2h.. Edu. CN  Sichuan University Network management Center s2j.. Edu. CN  Dalian University of networking Center s2k.. Edu. CN cernet Guilin main node s2m.. Edu. CN  Peking University              

CentOS sync GMT