Openfire is an Instant Messaging and Group chat server, written in Java that uses XMPP (Extensible Messaging and Presence Protocol) server.
Source: Create Your Own Instant Messaging/Chat Server Using “Openfire” in Linux – Tecmint
Nmap is a tool used for determining the hosts that are running and what services the hosts are running. Nmap can be a valuable diagnostic tool for network administrators while they can be also a potent reconnaissance tool for the Black-hat community (Hackers, Crackers, Script Kiddies, etc). Once the network is charted out using tools like Lan MapShot, the Nmap can be used to determine the type of services and hosts running in the network.
In this article, we will cover some useful practical examples of Linux namp command.
If you’re interested in monitoring the temp on Linux, you’ll need a terminal-based program called lm-Sensors. It has a lot of other uses too. Check it out.
Source: Monitor Your PC’s Temperature on Linux Using lm-sensors (Make Tech Easier)
Overview of Ext2, Ext3 and Ext4 Linux File Systems and How to Convert and Create Linux File Systems.
Source: What is Ext2, Ext3 & Ext4 and How to Create and Convert – Tecmint
Understanding Linux File Systems – Part 1 (/proc file system)
FTP is a standardized network protocol and probably the quickest as well as easiest option available when a large chunk of data is to be transferred, from one host to another, over a TCP-based network. FTP defines a client-server architecture which uses two separate ‘well-known’ ports, for data (port no. 20, used for data transfer) and control (port no. 21, used for authentication) connections, in order to establish connectivity between the server and the client.
On Windows machines hard drives automatically sleep and spin down when they are not in use. This theoretically extends the life of your USB or SATA hard dr
DNS, or the Domain Name System, is the part of the internet that converts www.techsupportalert.com (which you can understand but which your browser can’t), into an IP address of 220.127.116.11 (which your browser can understand, but which you probably don’t want to).