How do I set up a public IP for my Proxmox VM under Tailscale environment

[Mkkk]

Hello, I am setting up a public IP for the backend server of my AWS Amplify website.
I am using Tailscale (a VPN service) to access my Proxmox console, which is deployed in another computer.

I am able to access my server via the IP address shown in the VM summary (picture 1) when I was connected to my Tailscale, but I am not able to connect to that IP address with another device (without Tailscale).

I am new to this, please advice!
Here are my configurations!
Thank you so much for supports!

 

[Mkkk]

The file being mentioned in many other posts "/etc/network/interfaces" is also missing from my Ubuntu Server

 

[UdoB]

The file being mentioned in many other posts "/etc/network/interfaces" is also missing from my Ubuntu Server

If this really irritates you you have a lot to learn. Look at /etc/netplan/* and read about it; it has reached "Version 1.0" recently : https://ubuntu.com/blog/introducing-netplan-v1 and it is the way Canonical wants you to configure the network...

Good luck!

 

[Mkkk]

If this really irritates you you have a lot to learn. Look at /etc/netplan/* and read about it; it has reached "Version 1.0" recently : https://ubuntu.com/blog/introducing-netplan-v1 and it is the way Canonical wants you to configure the network...

Good luck!

Thank you for the response! I understood that Ubuntu has switched the configuration to /etc/netplan/*.yaml, but I found many other solutions ask for /etc/network/interfaces, and that makes me confused.