修改服务器系统时间

#修改服务器时区

https://yq.aliyun.com/articles/359597?spm=5176.10695662.1996646101.searchclickresult.3cb0467d1LBm6R
rm -rf /etc/localtime
ln -s /usr/share/zoneinfo/UTC /etc/localtime

vim /etc/timezone

UTC

hwclock -w

reboot

修改java(hive)读取系统时区:

https://juejin.im/post/5b30e8316fb9a00e717edfef