# date ```bash date "+%Z%z" ``` # timedatectl ```bash timedatectl status timedatectl set-timezone Asia/Shanghai cat /etc/timezone ``` # chronyd ```bash rpm -ql chrony # yum install chrony --RHEL7默认已安装chrony,而没有安装ntpd. # systemctl status chronyd --查看chronyd服务状态 # systemctl enable chronyd --开机启动 chronyc sources - v chronyc sourcestats -v sudo netstat -antulp | grep chronyd chronyc tracking chronyc makestep ``` # ntpd