#!/bin/bash

if [ $(id -u) != "0" ]; then
    echo "Error: You must be root to run this script"
    exit 1
fi

systemctl disable --now firewalld
setenforce 0
sed -i "s/^SELINUX=.*/SELINUX=disabled/g" /etc/selinux/config



cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
br_netfilter
EOF

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

# 关闭swap
swapoff -a
sed -i 's/.*swap.*/#&/' /etc/fstab

yum install -y ./*.rpm
yum install -y ./git-2.31.1/*.rpm

sed -i 's/.*UseDNS .*/UseDNS no/' /etc/ssh/sshd_config
systemctl restart sshd