SSH

How to Add SSH Keys on Ubuntu 20.04

This article explains you the process to add SSH keys authentication on Ubuntu 20.04 server and disable password based authentication.

How to Enable SSH on Ubuntu 20.04

Secure Shell, or SSH in short, is a remote connection protocol. It is meant for establishing secure connections to a remote computer. It uses advanced cryptographic algorithms, Eg. RSA., to encrypt data, unlike its predecessor telnet, which sends packets of data containing plain text, which may include passwords and compromise...

How to Use SCP Command to Securely Transfer Files in Linux

SCP, i.e., Secure Copy is a remote file transfer program for Linux. It copies files by establishing an SSH connection and hence uses the authentication and security offered by SSH. In this article, we’ll show you how to copy files remotely using SCP. Note that, the user needs...

How to use SSH in Linux

Secure Shell, or SSH in short, is a remote connection protocol in Linux as well as other operating systems. It was first introduced as a replacement for telnet, which did not encrypt password information over the remote connection, and hence can be vulnerable to even simplest of attacks. SSH on...