Passwords should never be stored as plain text. Whether we are talking about a web application or an operating system, they should always be in hash form (on Linux, for example, hashed passwords are stored in the
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.
SSH is the primary method of remote access and administration on Ubuntu 22.04 Jammy Jellyfish and other Linux systems. SSH is a client-server service providing secure, encrypted connections over a network connection. After installing Ubuntu 22.04, it may be one of the first things you want to configure.
The purpose of this tutorial is to find setuid binaries on Linux. It is very possible that your Linux server has more packages installed than you really need. To make it worse, those extra packages may contain a handful of binaries with setuid and setguid turned on.
firewalld is the default firewall on Red Hat Enterprise Linux, and it’s enabled by default, but it’s possible to Redhat disable firewall, and you’ll also see how to check firewall status in Linux. Normally, there should not be a need to disable the firewall, but it may be quite handy for testing purposes or other scenarios.
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.