ssh

What is it §

telnet was a set of protocols for one xomputer to control another. This was not secure

Telnet then spawned secure shell (SSH). This encytped

The computer to be controlled needs to be running an SSH server.

To connect to and control the device with the server we need to install SSH software on the device we will use to connect

to login: ssh username@ip-address then enter password

Where is it used. §

While users access a server by TLS or HTTP(S), admins access a server using SSH via the command line.

It can also be used for automated operations. Usually this will also invole file transfer using SCP for SFTP

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