ssh crash course

SSH It is a protocol that facilitates secure communications between two systems using a client/server architecture and allows users to connect to a host remotely. Unlike other remote communication protocols such as FTP or Telnet, SSH encrypts the connection session, making it impossible for anyone to obtain unencrypted passwords. SSH is designed to replace older and less secure methods of remotely logging into another system via the command shell, such as telnet or rsh. A related program, scp, replaces other programs designed to copy ...