UBUNTU

What is SSL certificate

What is SSL certificate?

What is an SSL certificate? SSL stands for  Secure Sockets Layer. It is a global standard security technology that enables encrypted communication between a web browser and a web server. SSL certificate is a digital certificate that authenticates a website’s identity and enables an encrypted connection. SSL certificates have a key pair: a public and …

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Install MySQL on Ubuntu

How to Install MySQL on Ubuntu 20.04

MySQL is an open-source relational database management system under the terms of the GNU General Public License. Its name is a combination of “My”, the name of co-founder Michael Widenius’s daughter, and “SQL”, the abbreviation for Structured Query Language. In this tutorial, you will learn how to install MySQL on ubuntu 20.04 Install MySQL on …

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Linux cat Command With Examples

Linux cat Command With Examples

cat (short for concatenate) command is one of the most frequently used commands in Linux. It is used to view the content of a file, create single or multiple files, copy content from one file to another and concatenate files. Most Common Use of cat Command Create a new file Read file Display file Modify file …

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who command in Linux Ubuntu

who Command in Linux / Ubuntu

who command used to displays the information about logged-in users, when the system has booted last time on Linux operating system. Syntax: who [options] [filename] who Command in Linux with Examples 1.To display the information (login name) about current logged-in users, use who command in terminal. By default who command displays the following information about …

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wall command in Linux Ubuntu

wall command in Linux / Ubuntu

wall command is used to broadcast the messages or the contents of a file to all the currently logged-in users on the terminals in the Linux system. The message can be typed on the terminal or the contents of a file. When superuser or root user broadcast the messages, all users receive the messages. In …

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