In this chapter, you learned:
Firewalld uses nftables as its back end instead of iptables.
The nft command replaces iptables, ip6tables, arptables, and ebtables.
The iptables-restore-translate command translates iptables rules into nftables rules.
Red Hat recommends using NetworkManager for network configuration.
NetworkManager can now handle complex configurations.
OpenStack and other layered products use NetworkManager.
Click CREATE to build all of the virtual machines needed for the classroom lab environment. This may take several minutes to complete. Once created the environment can then be stopped and restarted to pause your experience.
If you DELETE your lab, you will remove all of the virtual machines in your classroom and lose all of your progress.