LinuxをAPにするやつ

ap.sh

#! /bin/bash

ETHER_DEV="eno2"
WIFI_DEV="wlo1"
DHCP_MASKED_IP="192.168.8.0/24"
ROUTER_IP="192.168.8.1/24"

if [ "$1" = "up" ]; then
  sudo sysctl net.ipv4.ip_forward=1

  sudo systemctl start iptables
  sudo iptables -t nat -A POSTROUTING -s $DHCP_MASKED_IP -o $ETHER_DEV -j MASQUERADE

  sudo ip addr add $ROUTER_IP dev $WIFI_DEV
  sudo systemctl stop firewalld
  sudo systemctl stop NetworkManager
  sudo systemctl start hostapd
  sudo systemctl start kea-dhcp4
elif [ "$1" = "down" ]; then
  sudo sysctl net.ipv4.ip_forward=0

  sudo systemctl stop iptables
  sudo iptables -t nat -D POSTROUTING -s $DHCP_MASKED_IP -o $ETHER_DEV -j MASQUERADE

  sudo ip addr flush dev $WIFI_DEV
  sudo systemctl stop hostapd
  sudo systemctl stop kea-dhcp4
  sudo systemctl start firewalld
  sudo systemctl start NetworkManager
else
  echo "Usage: ./$0 [up | down]"
fi