Debian 12 to share internet

1. Download The Debian Bookworm network installation CD

2. install follow steps and on set software unselect all

note command to see network

   ip a

3 sudo nano /etc/network/interfaces

3.1 sudo systemctl restart networking

3.2 echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward

3.3 sudo nano /etc/sysctl.conf

    uncomment #

    net.ipv4.ip_forward=1

3.4 sudo sysctl -p

3.5 

sudo iptables -t nat -A POSTROUTING -o enx000ec6c29c18-j MASQUERADE

sudo iptables -A FORWARD -i ens33 -o enx000ec6c29c18 -j ACCEPT

sudo iptables -A FORWARD -i enx000ec6c29c18 -o ens33 -m state --state RELATED,ESTABLISHED -j ACCEPT

3.6 sudo apt install iptables-persistent

4 sudo nano /etc/apt/sources.list

5 sudo apt update && sudo apt upgrade

6 sudo apt install open-vm-tools isc-dhcp-server

7 sudo nano /etc/dhcp/dhcpd.conf

8 sudo nano /etc/default/isc-dhcp-server

7 sudo systemctl restart isc-dhcp-server

  sudo systemctl enable isc-dhcp-server

8 sudo nano /etc/systemd/system/nightly-reboot.service

[Unit]
Description=Scheduled Nightly Reboot

[Service]
Type=oneshot
ExecStart=/usr/bin/systemctl --force reboot

9 sudo nano /etc/systemd/system/nightly-reboot.timer

[Unit]
Description=Nightly Reboot Scheduling

[Timer]
OnCalendar=*-*-* 2:01:00
RandomizedDelaySec=300

[Install]
WantedBy=multi-user.target

10 sudo systemctl daemon-reload

   sudo systemctl enable nightly-reboot.timer

   sudo systemctl start nightly-reboot.timer