How do I get to network settings in Linux?

Type system-config-network in command prompt to configure network setting and you will get nice Graphical User Interface (GUI) which may also use to configure IP Address, Gateway, DNS etc.

How do I change network settings in Linux?

To change your IP address on Linux, use the “ifconfig” command followed by the name of your network interface and the new IP address to be changed on your computer. To assign the subnet mask, you can either add a “netmask” clause followed by the subnet mask or use the CIDR notation directly.