How to modify php time in centos

How to modify php time in centos: 1. Modify the hardware time zone; 2. Modify the system time zone; 3. Modify the time zone setting of php.ini; 4. Synchronize the time through crontab.

The operating environment of this article: centos6.5 system, PHP7.1 version, DELL G3 computer

How to modify the php time in centos?

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

Comment ZONE="America/New_York" and add one more line ZONE="Asia/Shanghai"

The second step is to 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 is to write a crontab to synchronize the time (in special cases, 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 the computer is turned on

vim /etc/rc.local
usr/sbin/ntpdate 0.centos.pool.ntp.org >/dev/null

The above is to set the time zone and time of centos6.5. The following is the 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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