Route delete default gateway windows

I have a PC with Ubuntu server 18.04 installed on it and I'm trying to use this PC as a server. There are 2 interfaces involved here:

1. To provide Its internet, I am using an android smartphone that has access to internet via its Data and it will be sharing internet with my PC (server) via USB Tethering.

   This will create an interface called ' enp0s29f7u8 '. This interface will get an IP automatically (DHCP?), mostly '192.168.42.249'.

2. There is another interface called ' enp2s0 ' which is a Huawei internet modem and it's connected to my PC with a LAN cable.

   This ' enp2s0 ' will serve as an Access-Point so I can SSH to my PC While I'm close.

   Ip route delete default gw

3. Ip route delete default gw
4. Linux set default gateway permanently
5. How to delete route in linux permanently
6. Linux default gateway ip command
7. Ip route add default

I installed ' ifupdown ' on server so I can assign an Static IP to my Access-Point, namely '192.168.1.10'.

Here is the problem: I cannot access internet with this setups. It's like Ubuntu is trying to connect to Internet via 'enp2s0', which is only an AP with no access to internet.

So i tried and there it is, i have internet.

Also, when I do after that, i still have access to internet.

Ho

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