15 - Chapter 8 - Configuring Networking -nmtui and nmcli - Hostnames -DNS

Networking Fundamentals
IP Addresses
10.0.0.0/8 (a single Class A network)
172.16.0.0/12 (16 Class B networks)
192.168.0.0/16 (256 Class C networks)
Network Address Translation (NAT)
IPv6 Addresses
Network Masks
Binary Notation
MAC Addresses
Protocol and Ports
HTTP
SSH
Transfer Control Protocol (TCP)
User Datagram Protocol (UDP)
Control Message Protocol (ICMP)
Managing Network Addresses and Interfaces
Validating Network Address Configuration
Use ip addr to configure and monitor network addresses.
Use ip route to configure and monitor routing information.
Use ip link to configure and monitor network link state.
Validating Routing
Validating the Availability of Ports and Services
Configuring Network Configuration with nmtui and nmcli
Required Permissions to Change Network Configuration
Configuring the Network with nmcli
Configuring the Network with nmtui
Setting Up Hostname and Name Resolution
Hostnames
DNS Name Resolution