[CentOS8] 时间设置
查看系统当前的时区命令：**timedatectl ** 设置系统时区位亚洲/上海：
timedatectl set-timezone Asia/Shanghai
bash
yum install -y chrony
systemctl start chronyd
systemctl enable chronyd
chronyd -q 'pool ntp.aliyun.com iburst'
chronyd -q 'server ntp.ntsc.ac.cn iburst'
chrony配置文件是 /etc/chrony.conf
# aliyun的chrony.conf配置
server ntp.aliyun.com iburst
stratumweight 0
driftfile /var/lib/chrony/drift
rtcsync
makestep 10 3
bindcmdaddress 127.0.0.1
bindcmdaddress ::1
keyfile /etc/chrony.keys
commandkey 1
generatecommandkey
logchange 0.5
logdir /var/log/chronybash
校准时间命令：（过时）
yum install -y ntpdate
ntpdate us.pool.ntp.org