In order to be useful to remote clients, network connectivity is an important part of a RHEL 8 system. Over the life of a RHEL 8 system, the need to configure, reconfigure and troubleshoot network connections is a critical skill for system administrators. In this hands-on lab, we will configure IPv4 and IPv6 addresses, configure hostname resolution, configure network services to start automatically at boot, and ensure Network Interface Cards are set to be available on boot.
Learning Objectives
Successfully complete this lab by achieving the following learning objectives:
- Configure IPv4 and IPv6 Addresses
- Discover the network hardware on the system.
- Configure an extra interface on the same network.
- Test IPv4 connectivity and confirm IPv6 addressing.
- Configure Hostname Resolution
- Install domain name utilities.
- Attempt to investigate remote domain details.
- Troubleshoot name resolution configuration.
- Configure Network Services to Start Automatically at Boot
- Check the status of your devices with
nmcli
. - Check the status of
NetworkManager
. - Ensure all NIC’s are set to
ONBOOT=yes
.
- Check the status of your devices with