Q: How to configure network connections?

1. Read General Notes
2. System -> Administration -> Networking
3. Network settings

   Connections Tab -> Select "Ethernet connection" -> Properties
   Connection -> This device is configured (Checked)
   Connection Settings -> Configuration: Select "DHCP/Static IP address"
   
   DNS Tab -> DNS Servers -> Add/Delete

4. Read How to activate/deactivate network connections?