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This article introduces you how to set password-free ssh login in linux, the content is very detailed, interested friends can refer to, hope to be helpful to you.

Overview

Between some commonly used devices ssh, scp, do not have to enter the password can save a lot of time.

Generate key

First, check whether there is a key locally. If so, it does not need to be generated, otherwise it will affect the previously connected devices.

The code is as follows:

Ls / .ssh/id_rsa.pub

If not, use ssh-key-gen to create a public key and key on the local host

The code is as follows:

Ssh-keygen-t rsa

Go all the way back to the car.

Copy the public key to the remote host

The code is as follows:

Ssh-copy-id-I / .ssh/id_rsa.pub root@192.168.0.3

Log in directly to the remote host

The code is as follows:

Ssh 192.168.0.3

Log in directly without a password.

From 192.168.0.3, the ssh machine still needs a password. Follow the above steps on 192.168.0.3, or you can omit the password.

About how to set password-free ssh login in linux to share here, I hope the above content can be of some help to you, you can learn more knowledge. If you think the article is good, you can share it for more people to see.

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