1.2

系统配置

设置时间同步

timedatectl set-timezone Asia/Shanghai
apt-get install ntpdate
ntpdate ntp.aliyun.com

禁用selinux

setenforce 0
sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config

关闭swap

// 看swap有没有关闭
swapoff -a
sed -i 's/.*swap.*/#&/' /etc/fstab
free -m 
# swap 为 0

cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-iptables  = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward                 = 1
EOF

关闭防火墙

apt-get install iptables
ufw disable
sysctl --system