Red Hat System Administration I
The TCP/IP network model is a simplified, four-layered set of abstractions that describes how different protocols interoperate for computers to send traffic from one machine to another over the internet.
IPv4 is the primary network protocol on the internet today.
IPv6 is intended as an eventual replacement for the IPv4 network protocol.
By default, Red Hat Enterprise Linux operates in dual-stack mode, and uses both network protocols in parallel.
Network routes determine the correct network interface to send packets to a particular network.
The
NetworkManagerdaemon monitors and manages network configuration.The
nmclicommand-line tool configures network settings with theNetworkManagerdaemon.Starting in Red Hat Enterprise Linux 9, the default location for network configurations is the
/etc/NetworkManager/system-connectionsdirectory.The system's static hostname is stored in the
/etc/hostnamefile.The
hostnamectlcommand modifies or views the status of the system's hostname and related settings.
Lab Controls
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.