Introduction to Wake On Lan

Wake-on-lan (also known with the “W.O.L” acronym) is a standard ethernet feature which allows a machine to be woken up on the reception of a specific type of network packet (the so called MagicPacket). The main advantage of this feature is that it allows us to keep a machine in a low power consumption state, and be accessed only when needed.

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How to open http port 80 in Redhat Linux using firewall-cmd

How to open http port 80 in Redhat Linux using firewall-cmd

This article will provide you with an information on how to open port in Redhat Linux, and more specifically we will be talking about the HTTP port 80.  firewalld is the default firewall program that comes pre-installed on Red Hat Enterprise Linux 7 and 8. By default, the firewall is turned on, meaning that a very limited number of services are able to receive incoming traffic.

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