生产级K8S基础环境部署-20210917

cat /etc/fstab

/dev/mapper/centos-swap swap swap defaults 0 0

• 关闭NetworkManager 🐏

systemctl disable --now NetworkManager

• 进行时间同步（有自己的时间服务器更好）🐒

安装

rpm -ivh http://mirrors.wlnmp.com/centos/wlnmp-release-centos.noarch.rpm

yum -y install ntpdate

同步

ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

echo ‘Asia/Shanghai’ >/etc/timezone

ntpdate ntp.aliyun.com

crontab -e

crontab -l

*/5 * * * * ntpdate ntp.aliyun.com

• 配置ulimit 🐓

ulimit -SHn 65535

vim /etc/security/limits.conf

• soft nofile 655360

• hard nofile 131072

• soft nproc 655350

• hard nproc 655350

• seft memlock unlimited