SSH is an abbreviation for Secure Shell. SSH is a protocol for communicate with a remote computer securely by using cryptography and the technology of authentication.
SSH is a mechanism that only specific users can access the remote environment. Authenticate using public-key and private key. RSA(Rivest Shamir Admin = One of the famous public-key cryptography) is often used.
To connect to a remote environment using SSH, you need to have a private-key in the local environment and a public-key in the remote environment.
GO to the local console.
-ssh username@IPaddress -i file_pass of private-key
Then you can use a designated remote environment.
It is necessary to specify the user name because it may be used by multiple users. IP address is like a network address of a remote. The file_pass of private-key is often been "home/.ssh
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