树莓派4B设置时区为CST
跟着我的步骤来做就好了,设置树莓派4B 时区为CST
1,如何确认自己是时区是不是CST呢,可以通过下面的命令查看
root@raspberrypi:~ # date
Sun 6 Jun 00:27:01 CST 2021
2,查看时间是否为CST,如果是就不用更改了,继续跟着我下面的步骤执行
root@raspberrypi:~ # sudo dpkg-reconfigure tzdata
上面两步执行完后,我们可以在执行第一步命令,查看输出的内容是否为CST。
注:由于树莓派4B没有硬件记录时钟,我们最好安装一下NTP服务进行时间同步,NTP服务安装命令:
root@raspberrypi:~ # sudo apt-get install ntpdate -y
安装完成后可以在我们定时任务里面添加
root@raspberrypi:~ # crontab -e #编辑定时任务
#在最后两行添加如下数据
*/10 * * * * /usr/sbin/ntpdate ntp.aliyun.com >> /var/log/ntptime.log
#间隔10分钟同步时间并将同步记录写到/var/log/ntptime.log
45 4 1,10,22 * * echo '' > /var/log/ntptime.log
#在上述时间将定时同步日志进行清除,防止占用过大的空间
root@raspberrypi:~ # /etc/init.d/cron restart #重启定时任务使其生效
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