how to configure Password less authentication With Git Client and git server?

Question

After Running ssh-keygen in git bash when I am executing

$ scp id_rsa.pub [email protected]:.ssh/authorized_keys

I am getting

The authenticity of host '192.168.12.232 (192.168.12.232)' can't be established.

ECDSA key fingerprint is SHA256:v9aX9gU44tKMXefUA1V2bgPVzP1PoICupP+cpU3sNB4.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added '192.168.12.232' (ECDSA) to the list of known hosts.

[email protected]'s password:

id_rsa.pub                                                  100%  403     3.2KB/s   00:00

After this when I an trying to verify weather passwordless authentication is successful or not using

$ ssh [email protected] ls

I am getting this

[email protected]'s password:

It should not ask for password I guess in this step.

What am I doing wrong can anyone help?

Run ssh command with -vvv to check debug output.

iBug
– iBug

2021-05-10 10:46:50 +00:00
Commented May 10, 2021 at 10:46 — iBug
– iBug, Commented May 10, 2021 at 10:46
Hint: next time use ssh-copy-id instead of scp.

phd
– phd

2021-05-10 13:45:47 +00:00
Commented May 10, 2021 at 13:45 — phd
– phd, Commented May 10, 2021 at 13:45

swx · Accepted Answer · 2021-06-18 05:27:04Z

1

Use this command after executing $ scp id_rsa.pub [email protected]:.ssh/authorized_keys

“ ssh {username}@{host:port} “chmod 700 .ssh ; chmod 640 .ssh/authorized_keys” ”

and after successful execution run you command which is asking for password.

answered Jun 18, 2021 at 5:27

swx

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Comments

VonC · Accepted Answer · 2021-05-10 20:27:18Z

1

You need to check the rights associated to the created ~/.ssh/authorized_keys file.
As seen here or here, it should be 600 (rw-------), and an scp might create the file with rights too open for SSH daemon to operate on.

That is why, as commented, an ssh-copy-id is preferable.

answered May 10, 2021 at 20:27

VonC

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