标签：gre files grep unit 启动 emctl pre install centos7
centos7 安装ntp服务并启动，设置开机重启yum list |grep ntpd
yum -y install ntp
systemctl start ntpd
systemctl status ntpd
systemctl enable ntpd
systemctl list-unit-files|grep ntpdyum确认是否安装
yum安装
启动ntpd服务
查看状态
设置开机启动
查看是否设置开机启动
标签：gre files grep unit 启动 emctl pre install centos7
原文地址：https://blog.51cto.com/11263100/2453322
