A. Update the source and install ntpdate
apt-get update
apt-get install ntpdate
ntpdate ntp1.aliyun.com
Modify time zone
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Modify and set the Linux server time zone
Method A command: "tzselect"
Method B RedHat Linux and CentOS only Command: “timeconfig”
Method C is for Debian command: “dpkg-reconfigure tzdata”
Modify through /etc/profile
echo “export TZ=‘UTC’” >> /etc/profile
source /etc/profile updates system variables
Use this method to modify the time zone configuration
[root@Matrix_061001 ~]echo "export TZ='Asia/Shanghai'" >> /etc/profile
[root@Matrix_061001 ~]source /etc/profile
NTP and RTC time synchronization
[root@Matrix_061001 ~]cat /etc/default/ntpdate
#Configuration script used by ntpdate-sync script
NTPSERVERS="ntp1.aliyun.com"
#Set to "yes" to write time to hardware clock on success
UPDATE_HWC