SSH

SSH (Secure Shell) is an encrypted network protocol that enables secure remote access to other computers over a network for executing commands and transferring files. It was developed in 1995 by Tatu Ylönen at Helsinki University of Technology in Finland to address security vulnerabilities in Telnet and rsh (remote shell). Today, OpenSSH has become the de facto standard implementation and serves as a core tool for server management worldwide. Installing and configuring an SSH server on Ubuntu enables remote server management not only within local networks but also over the internet. This guide covers the entire process from OpenSSH server installation to security configuration. ...