SSH

SSH (Secure Shell)

  • Network protocol that provides a secure way to access another computer remotely.

  • Replaces Telnet  (which is insecure) and is widely used for server administration.

  • Example: secure remote connection to Linux servers.

Telnet (Teletype Network)

SCP (Secure Copy)

  • It is a command to securely transfer files between machines via SSH.

Sending or Receiving 
scp /local/path/file.txt user@server:/destination/path/

scp user@server:/path/file.txt /local/path/

Setting up a Server

Linux

  • OpenSSH Server

Raspberry Pi

  • sudo raspi-config  -> Interfaces -> SSH.

Windows

  1. Putty.

  2. Apps and Features -> Manage Optional Features -> Add Feature -> Open SSH Server

    • Services -> OpenSSH -> Auto Start on Boot.

Android

  • App: SimpleSSHD.

iOS

  • Not possible; maybe old versions.

macOS

  • Remote Login.