安装K8s（三）-K8s安装环境准备

1.安装 ntp 时间同步服务：

yum install -y ntp
systemctl start ntpd
systemctl enable ntpd

2.设置国内时区：

# ll /etc/localtime
# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
echo "Asia/Shanghai" > /etc/timezone

3.关闭防火墙：

systemctl stop firewalld
systemctl disable firewalld