ip address change

Seems that in my most recent move, my subnet has changed on my local network, i finally found time to whip up my server but it seems when I try to connect i cant, local ip on my PC is 192.168.x.x while on the proxmox it is 10.0.x.x How can I change the ip address safely to access my proxmox...

After changing the management IP address of my system, I can't access the web management anymore. I am running v8.1.4. Changes I made were: - /etc/network/interfaces --> updated with new IP/mask/GW. Saved and closed. - /etc/hosts --> updated to new IP to match. Saved and closed. - rebooted...