[ Thanks to Jane Walker for this link.
]
“In general, one of the hardest things about Linux is learning
is the command-line interface (CLI). Linux servers aren’t usually
equipped with click and go menus like Windows. But this allows you
to have a more robust and tailor-made system when using RHEL
servers. With the knowledge and ability to effectively configure
and customize a RHEL network service, you’ll be able to order to
start a network or prevent and/or lessen down-time. In this tip,
you’ll learn the basics of booting a Linux network and move on to
turning one physical interface (NIC) into two logical interfaces,
also referred to as called sub-interfacing…”