Ssh scp password-free method

I. Prepare the environment

Host a: local server;

Host B: Remote Server (192.168.1.15 );

 

Both host a and host B are Linux servers;

 

Ii. Configuration

Operate on host:

 

CD

Mkdir. SSH

CD. SSH

Ssh-keygen-t rsa (Press enter three times in a row, that is, a public key and private key are generated in the keystore without a password)

# Ls
Id_rsa id_rsa.pub

The above two files will be generated;

 

Operate on host B:

CD

Mkdir. SSH

CD. SSH

Touch/root/. Ssh/authorized_keys2

 

 

Return to host a and perform the following operations:

SCP/root/. Ssh/id_rsa.pub [email protected]:/root/. Ssh/a_rsa.pub (enter the password of host B)

 

 

Return to host B and perform the following operations:

CAT/root/. Ssh/a_rsa.pub> authorized_keys2 (append the content of the public key of host a to authorized_keys2)

 

Iii. Verification

On host:

 

CD

Touch test. Log

SCP test. log [email protected]:/root/(transfer can be completed without a password)

 

This article from "square inch Hill" blog, please be sure to keep this source http://63638790.blog.51cto.com/513514/1548322

Ssh scp password-free method