Centos php time setting method

centos php time setting method: first comment out "ZONE="America/New_York""; then modify the system time zone; then set the time zone in php.ini and set "date.timezone = PRC"; Finally, synchronize the time through crontab.

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Modify the linux time zone time and php time zone

Problem: The customer's US server time is incorrect

The first step is to modify the hardware time zone.

vim /etc/sysconfig/clock
将 ZONE="America/New_York" 注释，加多一行 ZONE="Asia/Shanghai"

The second step, modify the system time zone

cp /etc/localtime /etc/localtime.bak
rm -rf /etc/localtime
ln -svf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
yum install ntpdate -y
ntpdate 0.centos.pool.ntp.org
date
clock -w         #将目前 Linux 的时间写到 BIOS 里面去！
clock -r         #检查 BIOS 里面的时间

The third step, modify the time zone setting of php.ini

date.timezone = PRC

The fourth step, write a crontab to synchronize the time ( Under special circumstances, add this)

#Ansible: Time synchronization
00 01 * * * /usr/sbin/ntpdate 0.centos.pool.ntp.org >/dev/null

How to set the time to be synchronized every time you turn on the computer

vim /etc/rc.local
usr/sbin/ntpdate 0.centos.pool.ntp.org >/dev/null
 
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The above is to set the time zone and time of centos6.5, and the following is for centos7

yum -y install ntp
systemctl enable ntpd
ntpdate -u cn.pool.ntp.org
systemctl start ntpd
#设置时区
timedatectl set-timezone Asia/Shanghai

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