yum tenxun ntpdate 时间同步 镜像仓库 开发者平台
centos7
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo
参考: https://mirrors.cloud.tencent.com/help/centos.html
eple
# epel(RHEL7系列) wget -O /etc/yum.repos.d/epel.repo http://mirrors.cloud.tencent.com/repo/epel-7.repo
https://mirrors.cloud.tencent.com/help/epel.html
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0.设置时区
rm -f /etc/localtime
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
1.时间同步
echo "*/5 * * * * /usr/sbin/ntpdate time1.aliyun.com" >> /var/spool/cron/root
参考:https://blog.51cto.com/wzlinux/2043592
https://developer.aliyun.com/mirror/?spm=a2c6h.12873581.0.0.6df52784EnASTM
下载 ISO 文件
用一个例子来演示会更加清晰