update timezone

sudo timedatectl set-timezone Asia/Shanghai

ntp server

sudo apt-get install ntp sudo apt-get install ntpdate

之后在 /etc/ntp.conf 末尾加入一行

server ntp.sjtu.edu.cn iburst minpoll 12 maxpoll 17

然后

sudo systemctl restart ntp

sudo systemctl enable ntp

测试

ntpq -p

sudo ntpdate -qu ntp.sjtu.edu.cn

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