Linux password-less ssh login settings

This article mainly introduces linux password-less ssh login settings. For more information, see

Overview

Ssh and scp between some common devices can save a lot of time without entering a password.

Generate key

Check whether the local device has a key. If yes, do not generate the key. Otherwise, the previously connected devices will be affected.

Copy codeThe code is as follows:
Ls ~ /. Ssh/id_rsa.pub

If no, use ssh-key-gen to create the public key and key on the local host.

Copy codeThe code is as follows:
Ssh-keygen-t rsa

Press enter

Copy the public key to the remote host.

Copy codeThe code is as follows:
Ssh-copy-id-I ~ /. Ssh/id_rsa.pub

Directly log on to the remote host

Copy codeThe code is as follows:
Ssh 192.168.0.3

Log on directly without a password.
The password is still required for ssh from 192.168.0.3. you can follow the above steps to operate on 192.168.0.3. you can also omit the password.